{"id":"qld:sl-2026-0002","name":"Greenhouse Gas Storage (Transitional) Regulation 2026","slug":"greenhouse-gas-storage-transitional-regulation-2026","collection":"regulation","jurisdiction":"qld","status":"in_force","isInForce":true,"actNumber":"2 of 2026","makingDate":null,"administeringDepartment":null,"currentVersion":{"id":173644,"registerId":"qld-sl-2026-0002-current","compilationNumber":null,"startDate":"2026-04-05","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"pt.1","sectionType":"part","heading":"Preliminary","content":"# Preliminary","sortOrder":0},{"sectionNumber":"sec.1","sectionType":"section","heading":"Short title","content":"### sec.1 Short title\n\nThis regulation may be cited as the Greenhouse Gas Storage (Transitional) Regulation 2026 .","sortOrder":1},{"sectionNumber":"sec.2","sectionType":"section","heading":"Commencement","content":"### sec.2 Commencement\n\nThis regulation commences on 24 January 2026.","sortOrder":2},{"sectionNumber":"sec.3","sectionType":"section","heading":"Declaration that regulation is transitional regulation— Act , s&#160;483","content":"### sec.3 Declaration that regulation is transitional regulation— Act , s&#160;483\n\nThis regulation is a transitional regulation.\nThis regulation expires on 18 June 2029.","sortOrder":3},{"sectionNumber":"sec.4","sectionType":"section","heading":"Definitions","content":"### sec.4 Definitions\n\nThe dictionary in schedule&#160;1 defines particular words used in this regulation.","sortOrder":4},{"sectionNumber":"pt.2","sectionType":"part","heading":"Conversion of relevant GHG wells","content":"# Conversion of relevant GHG wells","sortOrder":5},{"sectionNumber":"sec.5","sectionType":"section","heading":"Notice of intention to convert relevant GHG well— Act , s&#160;467","content":"### sec.5 Notice of intention to convert relevant GHG well— Act , s&#160;467\n\nFor section&#160;467 (1) (a) (i) of the Act , a notice of intention to convert a relevant GHG well must—\nbe in writing; and\nstate—\nthe name used to identify the well; and\nthat CTSCo intends to convert the well into a water supply bore under chapter&#160;8 , part&#160;8 of the Act ; and\ncontact details of the landowner for the well; and\nthe day on which the conversion of the well is estimated to be completed; and\nbe accompanied by the following documents—\nwell schematics for the well;\na report, approved and signed by a licensed water bore driller, stating the well is suitable to be converted into a water supply bore.\nIn this section—\nwell schematics , for a relevant GHG well, means technical drawings showing—\nthe position of the well defined by reference to GDA2020; and\nhow the well was originally constructed; and\nall modifications made to the well after the well completion report for the well was given to the chief executive.\n(sec.5-ssec.1) For section&#160;467 (1) (a) (i) of the Act , a notice of intention to convert a relevant GHG well must— be in writing; and state— the name used to identify the well; and that CTSCo intends to convert the well into a water supply bore under chapter&#160;8 , part&#160;8 of the Act ; and contact details of the landowner for the well; and the day on which the conversion of the well is estimated to be completed; and be accompanied by the following documents— well schematics for the well; a report, approved and signed by a licensed water bore driller, stating the well is suitable to be converted into a water supply bore.\n(sec.5-ssec.2) In this section— well schematics , for a relevant GHG well, means technical drawings showing— the position of the well defined by reference to GDA2020; and how the well was originally constructed; and all modifications made to the well after the well completion report for the well was given to the chief executive.\n- (a) be in writing; and\n- (b) state— (i) the name used to identify the well; and (ii) that CTSCo intends to convert the well into a water supply bore under chapter&#160;8 , part&#160;8 of the Act ; and (iii) contact details of the landowner for the well; and (iv) the day on which the conversion of the well is estimated to be completed; and\n- (i) the name used to identify the well; and\n- (ii) that CTSCo intends to convert the well into a water supply bore under chapter&#160;8 , part&#160;8 of the Act ; and\n- (iii) contact details of the landowner for the well; and\n- (iv) the day on which the conversion of the well is estimated to be completed; and\n- (c) be accompanied by the following documents— (i) well schematics for the well; (ii) a report, approved and signed by a licensed water bore driller, stating the well is suitable to be converted into a water supply bore.\n- (i) well schematics for the well;\n- (ii) a report, approved and signed by a licensed water bore driller, stating the well is suitable to be converted into a water supply bore.\n- (i) the name used to identify the well; and\n- (ii) that CTSCo intends to convert the well into a water supply bore under chapter&#160;8 , part&#160;8 of the Act ; and\n- (iii) contact details of the landowner for the well; and\n- (iv) the day on which the conversion of the well is estimated to be completed; and\n- (i) well schematics for the well;\n- (ii) a report, approved and signed by a licensed water bore driller, stating the well is suitable to be converted into a water supply bore.\n- (a) the position of the well defined by reference to GDA2020; and\n- (b) how the well was originally constructed; and\n- (c) all modifications made to the well after the well completion report for the well was given to the chief executive.","sortOrder":6},{"sectionNumber":"sec.6","sectionType":"section","heading":"Requirements for conversion of relevant GHG well into water supply bore— Act , s&#160;467","content":"### sec.6 Requirements for conversion of relevant GHG well into water supply bore— Act , s&#160;467\n\nThis section states, for section&#160;467 (1) (c) of the Act , the requirements for the conversion of a relevant GHG well into a water supply bore.\nThe water supply bore must—\nbe controlled within the meaning of the GAB Water Plan , section&#160;29 (1) ; and\nhave a casing, and be constructed of cement, that has a functional life equivalent to the casing and cement of a newly constructed water supply bore; and\nbe constructed with internal cement plugs that prevent water from being taken from aquifers that are not targeted by the bore; and\notherwise be constructed in accordance with the requirements for water bores stated in the water bore construction codes.\n(sec.6-ssec.1) This section states, for section&#160;467 (1) (c) of the Act , the requirements for the conversion of a relevant GHG well into a water supply bore.\n(sec.6-ssec.2) The water supply bore must— be controlled within the meaning of the GAB Water Plan , section&#160;29 (1) ; and have a casing, and be constructed of cement, that has a functional life equivalent to the casing and cement of a newly constructed water supply bore; and be constructed with internal cement plugs that prevent water from being taken from aquifers that are not targeted by the bore; and otherwise be constructed in accordance with the requirements for water bores stated in the water bore construction codes.\n- (a) be controlled within the meaning of the GAB Water Plan , section&#160;29 (1) ; and\n- (b) have a casing, and be constructed of cement, that has a functional life equivalent to the casing and cement of a newly constructed water supply bore; and\n- (c) be constructed with internal cement plugs that prevent water from being taken from aquifers that are not targeted by the bore; and\n- (d) otherwise be constructed in accordance with the requirements for water bores stated in the water bore construction codes.","sortOrder":7},{"sectionNumber":"sec.7","sectionType":"section","heading":"Notice of completion— Act , s&#160;467","content":"### sec.7 Notice of completion— Act , s&#160;467\n\nFor section&#160;467 (1) (e) of the Act , a notice of completion, in relation to the conversion of a relevant GHG well into a water supply bore, must—\nbe in writing; and\nstate—\nthe name used to identify the well before the conversion was completed; and\nthe position of the well defined by reference to GDA2020; and\nthat conversion of the well into a water supply bore under chapter&#160;8 , part&#160;8 of the Act has been completed; and\nthe day on which the conversion of the well was completed; and\nthe name used to identify the water supply bore after the conversion was completed; and\nthe name and water bore driller’s licence number of the licensed water bore driller who carried out the works for the conversion; and\nbe accompanied by a copy of the conversion certificate relating to the conversion of the well into the water supply bore.\n- (a) be in writing; and\n- (b) state— (i) the name used to identify the well before the conversion was completed; and (ii) the position of the well defined by reference to GDA2020; and (iii) that conversion of the well into a water supply bore under chapter&#160;8 , part&#160;8 of the Act has been completed; and (iv) the day on which the conversion of the well was completed; and (v) the name used to identify the water supply bore after the conversion was completed; and (vi) the name and water bore driller’s licence number of the licensed water bore driller who carried out the works for the conversion; and\n- (i) the name used to identify the well before the conversion was completed; and\n- (ii) the position of the well defined by reference to GDA2020; and\n- (iii) that conversion of the well into a water supply bore under chapter&#160;8 , part&#160;8 of the Act has been completed; and\n- (iv) the day on which the conversion of the well was completed; and\n- (v) the name used to identify the water supply bore after the conversion was completed; and\n- (vi) the name and water bore driller’s licence number of the licensed water bore driller who carried out the works for the conversion; and\n- (c) be accompanied by a copy of the conversion certificate relating to the conversion of the well into the water supply bore.\n- (i) the name used to identify the well before the conversion was completed; and\n- (ii) the position of the well defined by reference to GDA2020; and\n- (iii) that conversion of the well into a water supply bore under chapter&#160;8 , part&#160;8 of the Act has been completed; and\n- (iv) the day on which the conversion of the well was completed; and\n- (v) the name used to identify the water supply bore after the conversion was completed; and\n- (vi) the name and water bore driller’s licence number of the licensed water bore driller who carried out the works for the conversion; and","sortOrder":8},{"sectionNumber":"sec.8","sectionType":"section","heading":"Conversion report— Act , s&#160;477","content":"### sec.8 Conversion report— Act , s&#160;477\n\nFor section&#160;477 (1) of the Act , a conversion report, relating to the conversion of a relevant GHG well into a water supply bore, must be in writing and state—\non the first page, the following details—\nthe particulars of former EPQ10, including, for example, that CTSCo was the holder of former EPQ10;\nthe name used to identify the relevant GHG well before the conversion was completed;\nthe name and water bore driller’s licence number of the licensed water bore driller who carried out the works for the conversion;\nthe name of the author of the report;\nthe name of the landowner for the water supply bore;\nthe name of the person submitting the report on behalf of CTSCo; and\nthe following information about the well before the conversion—\nspatial information showing the location of the well;\nthe day on which a well completion report for the well was given to the chief executive;\nthe total depth of the well, in metres;\nthe position at the top and bottom, expressed as required under subsection&#160;(2) , and the thickness of any coal seam, natural underground reservoir or aquifer intersected by the well;\nthe depth in metres of any perforations in the casing of the well;\nall surveys and measurements made in the well, including any detailed interpretation of a survey or measurement; and\nthe following information about the bore after the conversion was completed—\ndetails of the casing and equipment installed in the bore for the purpose of the conversion, with diagrams showing the major dimensions and features of the casing and equipment;\na full description of all equipment, including prescribed equipment, installed or retained in the bore, including, for example, the size and nature of the equipment and any features of the equipment that may cause a hazard to underground mining operations;\naluminium, batteries, electronics\nthe surveyed location of any prescribed equipment installed or retained in the bore;\ndetails of the cementing operations carried out for the purpose of the conversion, including, for example—\nthe location and type of plugs installed; and\nthe intervals covered by each plug installed; and\nthe volume and type of cement used; and\nthe volume of cement lost due to voids or permeable strata; and\nthe methods used to address losses of cement; and\nthe method, materials and volume of cement used to cement voids;\nfor each requirement or standard that applied to the conversion under the water bore construction codes—how the conversion complies with the requirement or standard;\nother details of the activities carried out for the conversion, and an assessment of their possible impacts, that would help another person in making an assessment of potential risks to safe and efficient underground mining.\nFor subsection&#160;(1) (b) (iv) , the position at the top and bottom of a coal seam, natural underground reservoir or aquifer, intersected by the relevant GHG well, must be expressed using—\nthe total vertical depth in metres; and\nfor a part of the well that was intentionally not drilled vertically—the horizontal plane.\nIn this section—\nnatural underground reservoir see the P&#38;G Act , section&#160;13 .\nprescribed equipment means—\nmetal equipment other than casing; or\nother equipment that may create a hazard to underground mining operations.\ndrilling equipment, geophysical logging tools\n(sec.8-ssec.1) For section&#160;477 (1) of the Act , a conversion report, relating to the conversion of a relevant GHG well into a water supply bore, must be in writing and state— on the first page, the following details— the particulars of former EPQ10, including, for example, that CTSCo was the holder of former EPQ10; the name used to identify the relevant GHG well before the conversion was completed; the name and water bore driller’s licence number of the licensed water bore driller who carried out the works for the conversion; the name of the author of the report; the name of the landowner for the water supply bore; the name of the person submitting the report on behalf of CTSCo; and the following information about the well before the conversion— spatial information showing the location of the well; the day on which a well completion report for the well was given to the chief executive; the total depth of the well, in metres; the position at the top and bottom, expressed as required under subsection&#160;(2) , and the thickness of any coal seam, natural underground reservoir or aquifer intersected by the well; the depth in metres of any perforations in the casing of the well; all surveys and measurements made in the well, including any detailed interpretation of a survey or measurement; and the following information about the bore after the conversion was completed— details of the casing and equipment installed in the bore for the purpose of the conversion, with diagrams showing the major dimensions and features of the casing and equipment; a full description of all equipment, including prescribed equipment, installed or retained in the bore, including, for example, the size and nature of the equipment and any features of the equipment that may cause a hazard to underground mining operations; aluminium, batteries, electronics the surveyed location of any prescribed equipment installed or retained in the bore; details of the cementing operations carried out for the purpose of the conversion, including, for example— the location and type of plugs installed; and the intervals covered by each plug installed; and the volume and type of cement used; and the volume of cement lost due to voids or permeable strata; and the methods used to address losses of cement; and the method, materials and volume of cement used to cement voids; for each requirement or standard that applied to the conversion under the water bore construction codes—how the conversion complies with the requirement or standard; other details of the activities carried out for the conversion, and an assessment of their possible impacts, that would help another person in making an assessment of potential risks to safe and efficient underground mining.\n(sec.8-ssec.2) For subsection&#160;(1) (b) (iv) , the position at the top and bottom of a coal seam, natural underground reservoir or aquifer, intersected by the relevant GHG well, must be expressed using— the total vertical depth in metres; and for a part of the well that was intentionally not drilled vertically—the horizontal plane.\n(sec.8-ssec.3) In this section— natural underground reservoir see the P&#38;G Act , section&#160;13 . prescribed equipment means— metal equipment other than casing; or other equipment that may create a hazard to underground mining operations. drilling equipment, geophysical logging tools\n- (a) on the first page, the following details— (i) the particulars of former EPQ10, including, for example, that CTSCo was the holder of former EPQ10; (ii) the name used to identify the relevant GHG well before the conversion was completed; (iii) the name and water bore driller’s licence number of the licensed water bore driller who carried out the works for the conversion; (iv) the name of the author of the report; (v) the name of the landowner for the water supply bore; (vi) the name of the person submitting the report on behalf of CTSCo; and\n- (i) the particulars of former EPQ10, including, for example, that CTSCo was the holder of former EPQ10;\n- (ii) the name used to identify the relevant GHG well before the conversion was completed;\n- (iii) the name and water bore driller’s licence number of the licensed water bore driller who carried out the works for the conversion;\n- (iv) the name of the author of the report;\n- (v) the name of the landowner for the water supply bore;\n- (vi) the name of the person submitting the report on behalf of CTSCo; and\n- (b) the following information about the well before the conversion— (i) spatial information showing the location of the well; (ii) the day on which a well completion report for the well was given to the chief executive; (iii) the total depth of the well, in metres; (iv) the position at the top and bottom, expressed as required under subsection&#160;(2) , and the thickness of any coal seam, natural underground reservoir or aquifer intersected by the well; (v) the depth in metres of any perforations in the casing of the well; (vi) all surveys and measurements made in the well, including any detailed interpretation of a survey or measurement; and\n- (i) spatial information showing the location of the well;\n- (ii) the day on which a well completion report for the well was given to the chief executive;\n- (iii) the total depth of the well, in metres;\n- (iv) the position at the top and bottom, expressed as required under subsection&#160;(2) , and the thickness of any coal seam, natural underground reservoir or aquifer intersected by the well;\n- (v) the depth in metres of any perforations in the casing of the well;\n- (vi) all surveys and measurements made in the well, including any detailed interpretation of a survey or measurement; and\n- (c) the following information about the bore after the conversion was completed— (i) details of the casing and equipment installed in the bore for the purpose of the conversion, with diagrams showing the major dimensions and features of the casing and equipment; (ii) a full description of all equipment, including prescribed equipment, installed or retained in the bore, including, for example, the size and nature of the equipment and any features of the equipment that may cause a hazard to underground mining operations; Examples of features that may cause a hazard to underground mining operations— aluminium, batteries, electronics (iii) the surveyed location of any prescribed equipment installed or retained in the bore; (iv) details of the cementing operations carried out for the purpose of the conversion, including, for example— (A) the location and type of plugs installed; and (B) the intervals covered by each plug installed; and (C) the volume and type of cement used; and (D) the volume of cement lost due to voids or permeable strata; and (E) the methods used to address losses of cement; and (F) the method, materials and volume of cement used to cement voids; (v) for each requirement or standard that applied to the conversion under the water bore construction codes—how the conversion complies with the requirement or standard; (vi) other details of the activities carried out for the conversion, and an assessment of their possible impacts, that would help another person in making an assessment of potential risks to safe and efficient underground mining.\n- (i) details of the casing and equipment installed in the bore for the purpose of the conversion, with diagrams showing the major dimensions and features of the casing and equipment;\n- (ii) a full description of all equipment, including prescribed equipment, installed or retained in the bore, including, for example, the size and nature of the equipment and any features of the equipment that may cause a hazard to underground mining operations; Examples of features that may cause a hazard to underground mining operations— aluminium, batteries, electronics\n- (iii) the surveyed location of any prescribed equipment installed or retained in the bore;\n- (iv) details of the cementing operations carried out for the purpose of the conversion, including, for example— (A) the location and type of plugs installed; and (B) the intervals covered by each plug installed; and (C) the volume and type of cement used; and (D) the volume of cement lost due to voids or permeable strata; and (E) the methods used to address losses of cement; and (F) the method, materials and volume of cement used to cement voids;\n- (A) the location and type of plugs installed; and\n- (B) the intervals covered by each plug installed; and\n- (C) the volume and type of cement used; and\n- (D) the volume of cement lost due to voids or permeable strata; and\n- (E) the methods used to address losses of cement; and\n- (F) the method, materials and volume of cement used to cement voids;\n- (v) for each requirement or standard that applied to the conversion under the water bore construction codes—how the conversion complies with the requirement or standard;\n- (vi) other details of the activities carried out for the conversion, and an assessment of their possible impacts, that would help another person in making an assessment of potential risks to safe and efficient underground mining.\n- (i) the particulars of former EPQ10, including, for example, that CTSCo was the holder of former EPQ10;\n- (ii) the name used to identify the relevant GHG well before the conversion was completed;\n- (iii) the name and water bore driller’s licence number of the licensed water bore driller who carried out the works for the conversion;\n- (iv) the name of the author of the report;\n- (v) the name of the landowner for the water supply bore;\n- (vi) the name of the person submitting the report on behalf of CTSCo; and\n- (i) spatial information showing the location of the well;\n- (ii) the day on which a well completion report for the well was given to the chief executive;\n- (iii) the total depth of the well, in metres;\n- (iv) the position at the top and bottom, expressed as required under subsection&#160;(2) , and the thickness of any coal seam, natural underground reservoir or aquifer intersected by the well;\n- (v) the depth in metres of any perforations in the casing of the well;\n- (vi) all surveys and measurements made in the well, including any detailed interpretation of a survey or measurement; and\n- (i) details of the casing and equipment installed in the bore for the purpose of the conversion, with diagrams showing the major dimensions and features of the casing and equipment;\n- (ii) a full description of all equipment, including prescribed equipment, installed or retained in the bore, including, for example, the size and nature of the equipment and any features of the equipment that may cause a hazard to underground mining operations; Examples of features that may cause a hazard to underground mining operations— aluminium, batteries, electronics\n- (iii) the surveyed location of any prescribed equipment installed or retained in the bore;\n- (iv) details of the cementing operations carried out for the purpose of the conversion, including, for example— (A) the location and type of plugs installed; and (B) the intervals covered by each plug installed; and (C) the volume and type of cement used; and (D) the volume of cement lost due to voids or permeable strata; and (E) the methods used to address losses of cement; and (F) the method, materials and volume of cement used to cement voids;\n- (A) the location and type of plugs installed; and\n- (B) the intervals covered by each plug installed; and\n- (C) the volume and type of cement used; and\n- (D) the volume of cement lost due to voids or permeable strata; and\n- (E) the methods used to address losses of cement; and\n- (F) the method, materials and volume of cement used to cement voids;\n- (v) for each requirement or standard that applied to the conversion under the water bore construction codes—how the conversion complies with the requirement or standard;\n- (vi) other details of the activities carried out for the conversion, and an assessment of their possible impacts, that would help another person in making an assessment of potential risks to safe and efficient underground mining.\n- (A) the location and type of plugs installed; and\n- (B) the intervals covered by each plug installed; and\n- (C) the volume and type of cement used; and\n- (D) the volume of cement lost due to voids or permeable strata; and\n- (E) the methods used to address losses of cement; and\n- (F) the method, materials and volume of cement used to cement voids;\n- (a) the total vertical depth in metres; and\n- (b) for a part of the well that was intentionally not drilled vertically—the horizontal plane.\n- (a) metal equipment other than casing; or\n- (b) other equipment that may create a hazard to underground mining operations.","sortOrder":9},{"sectionNumber":"pt.3","sectionType":"part","heading":"Transfer of converted water supply bores","content":"# Transfer of converted water supply bores","sortOrder":10},{"sectionNumber":"sec.9","sectionType":"section","heading":"Notice of transfer— Act , s&#160;474","content":"### sec.9 Notice of transfer— Act , s&#160;474\n\nFor section&#160;474 of the Act , a notice of transfer for a water supply bore must—\nbe in writing; and\nstate—\nthe name used to identify the water supply bore; and\nthe contact details of the landowner for the bore; and\nthe position of the bore defined by reference to GDA2020; and\nthe purpose for which the landowner for the bore will use water from the bore; and\nthat the requirements stated in section&#160;467 (1) (a) to (f) of the Act have been complied with in relation to the conversion of the relevant GHG well into the bore; and\nbe accompanied by a signed statement in which the landowner consents to the transfer.\n- (a) be in writing; and\n- (b) state— (i) the name used to identify the water supply bore; and (ii) the contact details of the landowner for the bore; and (iii) the position of the bore defined by reference to GDA2020; and (iv) the purpose for which the landowner for the bore will use water from the bore; and (v) that the requirements stated in section&#160;467 (1) (a) to (f) of the Act have been complied with in relation to the conversion of the relevant GHG well into the bore; and\n- (i) the name used to identify the water supply bore; and\n- (ii) the contact details of the landowner for the bore; and\n- (iii) the position of the bore defined by reference to GDA2020; and\n- (iv) the purpose for which the landowner for the bore will use water from the bore; and\n- (v) that the requirements stated in section&#160;467 (1) (a) to (f) of the Act have been complied with in relation to the conversion of the relevant GHG well into the bore; and\n- (c) be accompanied by a signed statement in which the landowner consents to the transfer.\n- (i) the name used to identify the water supply bore; and\n- (ii) the contact details of the landowner for the bore; and\n- (iii) the position of the bore defined by reference to GDA2020; and\n- (iv) the purpose for which the landowner for the bore will use water from the bore; and\n- (v) that the requirements stated in section&#160;467 (1) (a) to (f) of the Act have been complied with in relation to the conversion of the relevant GHG well into the bore; and","sortOrder":11},{"sectionNumber":"pt.4","sectionType":"part","heading":"Plugging and abandonment of relevant GHG wells","content":"# Plugging and abandonment of relevant GHG wells","sortOrder":12},{"sectionNumber":"sec.10","sectionType":"section","heading":"Definitions for part","content":"### sec.10 Definitions for part\n\nIn this part—\nacceptable level , for a risk associated with the plugging and abandonment of a relevant GHG well, see section&#160;13 (1) (b) (i) .\nchief inspector see the P&#38;G Act, schedule&#160;2 .\nconstruction and abandonment code means the document called ‘Code of practice for the construction and abandonment of petroleum wells and associated bores in Queensland’, published on a Queensland Government website.\npetroleum well see the P&#38;G Act, schedule&#160;2 .\nproposed way see section&#160;14 (3) (c) .\nstandard way see section&#160;14 (3) (d) .","sortOrder":13},{"sectionNumber":"sec.11","sectionType":"section","heading":"Purpose of part","content":"### sec.11 Purpose of part\n\nThis part states, for section&#160;467 (2) (a) of the Act , the way for plugging and abandoning a relevant GHG well.","sortOrder":14},{"sectionNumber":"sec.12","sectionType":"section","heading":"Way for plugging and abandoning relevant GHG well","content":"### sec.12 Way for plugging and abandoning relevant GHG well\n\nA relevant GHG well must be plugged and abandoned—\nin the way required for a petroleum well by the construction and abandonment code; or\nin another way approved by the chief inspector under section&#160;15 .\n- (a) in the way required for a petroleum well by the construction and abandonment code; or\n- (b) in another way approved by the chief inspector under section&#160;15 .","sortOrder":15},{"sectionNumber":"sec.13","sectionType":"section","heading":"Risk assessment","content":"### sec.13 Risk assessment\n\nBefore starting works to plug and abandon a relevant GHG well, CTSCo must—\ncarry out a systematic assessment (a safety assessment ) of risks associated with the plugging and abandonment of the well; and\nprepare a written report for the safety assessment that states, for each risk identified by the assessment—\nan acceptable level of risk (the acceptable level ) having regard to—\nthe likelihood of injury or illness to a person, or of property damage, from the risk; and\nthe probable severity of the injury, illness or damage; and\nwhether or not the risk is avoidable by reasonable means; and\nways to control the risk to the acceptable level by—\navoiding, eliminating or minimising the risk; and\nif the risk can not be avoided or eliminated—implementing measures to avoid, eliminate or minimise the likelihood of injury or illness to a person, or of property damage, associated with the risk.\nHowever, if works to plug and abandon the well started before the commencement, CTSCo must comply with subsection&#160;(1) (a) and (b) as soon as practicable after the commencement.\n(sec.13-ssec.1) Before starting works to plug and abandon a relevant GHG well, CTSCo must— carry out a systematic assessment (a safety assessment ) of risks associated with the plugging and abandonment of the well; and prepare a written report for the safety assessment that states, for each risk identified by the assessment— an acceptable level of risk (the acceptable level ) having regard to— the likelihood of injury or illness to a person, or of property damage, from the risk; and the probable severity of the injury, illness or damage; and whether or not the risk is avoidable by reasonable means; and ways to control the risk to the acceptable level by— avoiding, eliminating or minimising the risk; and if the risk can not be avoided or eliminated—implementing measures to avoid, eliminate or minimise the likelihood of injury or illness to a person, or of property damage, associated with the risk.\n(sec.13-ssec.2) However, if works to plug and abandon the well started before the commencement, CTSCo must comply with subsection&#160;(1) (a) and (b) as soon as practicable after the commencement.\n- (a) carry out a systematic assessment (a safety assessment ) of risks associated with the plugging and abandonment of the well; and\n- (b) prepare a written report for the safety assessment that states, for each risk identified by the assessment— (i) an acceptable level of risk (the acceptable level ) having regard to— (A) the likelihood of injury or illness to a person, or of property damage, from the risk; and (B) the probable severity of the injury, illness or damage; and (C) whether or not the risk is avoidable by reasonable means; and (ii) ways to control the risk to the acceptable level by— (A) avoiding, eliminating or minimising the risk; and (B) if the risk can not be avoided or eliminated—implementing measures to avoid, eliminate or minimise the likelihood of injury or illness to a person, or of property damage, associated with the risk.\n- (i) an acceptable level of risk (the acceptable level ) having regard to— (A) the likelihood of injury or illness to a person, or of property damage, from the risk; and (B) the probable severity of the injury, illness or damage; and (C) whether or not the risk is avoidable by reasonable means; and\n- (A) the likelihood of injury or illness to a person, or of property damage, from the risk; and\n- (B) the probable severity of the injury, illness or damage; and\n- (C) whether or not the risk is avoidable by reasonable means; and\n- (ii) ways to control the risk to the acceptable level by— (A) avoiding, eliminating or minimising the risk; and (B) if the risk can not be avoided or eliminated—implementing measures to avoid, eliminate or minimise the likelihood of injury or illness to a person, or of property damage, associated with the risk.\n- (A) avoiding, eliminating or minimising the risk; and\n- (B) if the risk can not be avoided or eliminated—implementing measures to avoid, eliminate or minimise the likelihood of injury or illness to a person, or of property damage, associated with the risk.\n- (i) an acceptable level of risk (the acceptable level ) having regard to— (A) the likelihood of injury or illness to a person, or of property damage, from the risk; and (B) the probable severity of the injury, illness or damage; and (C) whether or not the risk is avoidable by reasonable means; and\n- (A) the likelihood of injury or illness to a person, or of property damage, from the risk; and\n- (B) the probable severity of the injury, illness or damage; and\n- (C) whether or not the risk is avoidable by reasonable means; and\n- (ii) ways to control the risk to the acceptable level by— (A) avoiding, eliminating or minimising the risk; and (B) if the risk can not be avoided or eliminated—implementing measures to avoid, eliminate or minimise the likelihood of injury or illness to a person, or of property damage, associated with the risk.\n- (A) avoiding, eliminating or minimising the risk; and\n- (B) if the risk can not be avoided or eliminated—implementing measures to avoid, eliminate or minimise the likelihood of injury or illness to a person, or of property damage, associated with the risk.\n- (A) the likelihood of injury or illness to a person, or of property damage, from the risk; and\n- (B) the probable severity of the injury, illness or damage; and\n- (C) whether or not the risk is avoidable by reasonable means; and\n- (A) avoiding, eliminating or minimising the risk; and\n- (B) if the risk can not be avoided or eliminated—implementing measures to avoid, eliminate or minimise the likelihood of injury or illness to a person, or of property damage, associated with the risk.","sortOrder":16},{"sectionNumber":"sec.14","sectionType":"section","heading":"Plugging and abandonment plan","content":"### sec.14 Plugging and abandonment plan\n\nBefore starting works to plug and abandon a relevant GHG well, CTSCo must give the chief inspector a plugging and abandonment plan for the well.\nHowever, if works to plug and abandon the well started before the commencement, CTSCo must comply with subsection&#160;(1) as soon as practicable after the commencement.\nA plugging and abandonment plan must—\nbe in writing; and\ndemonstrate consideration of all matters that, under the construction and abandonment code, must be considered before a petroleum well is abandoned; and\nshow how the relevant GHG well will be plugged and abandoned (the proposed way ); and\nstate whether or not the proposed way will deviate from the way for plugging and abandoning the relevant GHG well mentioned in section&#160;12 (a) (the standard way ); and\nif the proposed way will deviate from the standard way—state how the proposed way will deviate from the standard way; and\ninclude a copy of the safety report; and\nfor each risk mentioned in the safety report—include a description of the technical and other measures that CTSCo has undertaken, or will undertake, to control the risk to the acceptable level for the risk.\nIn this section—\nsafety report means the report mentioned in section&#160;13 (1) (b) .\n(sec.14-ssec.1) Before starting works to plug and abandon a relevant GHG well, CTSCo must give the chief inspector a plugging and abandonment plan for the well.\n(sec.14-ssec.2) However, if works to plug and abandon the well started before the commencement, CTSCo must comply with subsection&#160;(1) as soon as practicable after the commencement.\n(sec.14-ssec.3) A plugging and abandonment plan must— be in writing; and demonstrate consideration of all matters that, under the construction and abandonment code, must be considered before a petroleum well is abandoned; and show how the relevant GHG well will be plugged and abandoned (the proposed way ); and state whether or not the proposed way will deviate from the way for plugging and abandoning the relevant GHG well mentioned in section&#160;12 (a) (the standard way ); and if the proposed way will deviate from the standard way—state how the proposed way will deviate from the standard way; and include a copy of the safety report; and for each risk mentioned in the safety report—include a description of the technical and other measures that CTSCo has undertaken, or will undertake, to control the risk to the acceptable level for the risk.\n(sec.14-ssec.4) In this section— safety report means the report mentioned in section&#160;13 (1) (b) .\n- (a) be in writing; and\n- (b) demonstrate consideration of all matters that, under the construction and abandonment code, must be considered before a petroleum well is abandoned; and\n- (c) show how the relevant GHG well will be plugged and abandoned (the proposed way ); and\n- (d) state whether or not the proposed way will deviate from the way for plugging and abandoning the relevant GHG well mentioned in section&#160;12 (a) (the standard way ); and\n- (e) if the proposed way will deviate from the standard way—state how the proposed way will deviate from the standard way; and\n- (f) include a copy of the safety report; and\n- (g) for each risk mentioned in the safety report—include a description of the technical and other measures that CTSCo has undertaken, or will undertake, to control the risk to the acceptable level for the risk.","sortOrder":17},{"sectionNumber":"sec.15","sectionType":"section","heading":"Chief inspector may approve proposed way for plugging and abandonment","content":"### sec.15 Chief inspector may approve proposed way for plugging and abandonment\n\nThis section applies if—\nCTSCo gives the chief inspector a plugging and abandonment plan under section&#160;14 (1) or (2) ; and\nthe proposed way stated in the plugging and abandonment plan deviates from the standard way.\nThe chief inspector may, by written notice to CTSCo—\napprove the proposed way for section&#160;12 (b) ; or\nrequest that CTSCo amend and resubmit the plugging and abandonment plan.\nHowever, the chief inspector may approve the proposed way only if the chief inspector is satisfied that, for each risk associated with the proposed way—\nthe acceptable level for the risk is reasonable, having regard to the acceptable level for risks associated with the standard way; and\nCTSCo will control the risk to the acceptable level.\n(sec.15-ssec.1) This section applies if— CTSCo gives the chief inspector a plugging and abandonment plan under section&#160;14 (1) or (2) ; and the proposed way stated in the plugging and abandonment plan deviates from the standard way.\n(sec.15-ssec.2) The chief inspector may, by written notice to CTSCo— approve the proposed way for section&#160;12 (b) ; or request that CTSCo amend and resubmit the plugging and abandonment plan.\n(sec.15-ssec.3) However, the chief inspector may approve the proposed way only if the chief inspector is satisfied that, for each risk associated with the proposed way— the acceptable level for the risk is reasonable, having regard to the acceptable level for risks associated with the standard way; and CTSCo will control the risk to the acceptable level.\n- (a) CTSCo gives the chief inspector a plugging and abandonment plan under section&#160;14 (1) or (2) ; and\n- (b) the proposed way stated in the plugging and abandonment plan deviates from the standard way.\n- (a) approve the proposed way for section&#160;12 (b) ; or\n- (b) request that CTSCo amend and resubmit the plugging and abandonment plan.\n- (a) the acceptable level for the risk is reasonable, having regard to the acceptable level for risks associated with the standard way; and\n- (b) CTSCo will control the risk to the acceptable level.","sortOrder":18}],"analysis":{"issue_detection":{"absurdities":[{"type":"retroactive_impossibility","section":"sec.13(2) and sec.14(2)","severity":"medium","reasoning":"The core obligation in s.13(1) and s.14(1) is explicitly framed as a precondition ('before starting works'). The subsection (2) carve-outs acknowledge that works may have already begun before the regulation commences, and substitute a post-commencement compliance obligation. This is a logical absurdity: a prospective safety/planning requirement is imposed after the risk-generating activity has already commenced. The safety report and plan lose their primary protective function (preventing unsafe works) when applied retrospectively to works already in progress. There is no mechanism to halt ongoing works pending compliance.","confidence":0.85,"description":"Retroactive safety assessment and planning requirement creates an impossible temporal sequence: CTSCo must complete a safety assessment and plugging and abandonment plan *before* starting works, yet if works already started before commencement, CTSCo must comply 'as soon as practicable after the commencement'. This means the pre-commencement safety assessment is both required before works AND excused if works already started—rendering the pre-work requirement meaningless for any works already underway."},{"type":"other","section":"sec.8(1)(c)(ii) and sec.8(3)","severity":"low","reasoning":"The examples text ('aluminium, batteries, electronics') appears as raw text embedded in the provision body rather than as a formatted example, suggesting a drafting error. More substantively, the report requirements in s.8(1)(c)(ii) and (vi) impose obligations to assess risks to 'underground mining operations' even though the instrument is about converting GHG wells into water supply bores. No obligation is imposed on any mining authority to receive or act on this information, making the disclosure requirement potentially purposeless.","confidence":0.65,"description":"The definition of 'prescribed equipment' includes 'other equipment that may create a hazard to underground mining operations', yet the examples given (aluminium, batteries, electronics) appear in-line within the legislative text rather than as a properly formatted example note. More critically, the regulation requires disclosure of equipment that 'may cause a hazard to underground mining operations' in a report about a water supply bore conversion—yet the conversion under s.6 must meet water bore construction codes that may not address mining hazards at all, creating a dual compliance standard with no guidance on which prevails."},{"type":"impossible_compliance","section":"sec.8(2)","severity":"medium","reasoning":"Depth positions are conventionally expressed using TVD (total vertical depth) combined with horizontal displacement and azimuth, or by reference to a geodetic datum. Requiring expression using 'the horizontal plane' as a standalone descriptor for a deviated well section is geometrically insufficient—a horizontal plane has no directional component. Unlike subsection (2)(a) which specifies 'total vertical depth in metres', subsection (2)(b) specifies only a plane type without any measurement methodology, making compliant expression of a 3D position impossible without further inference.","confidence":0.75,"description":"The positional expression requirement for non-vertical well sections is potentially impossible to comply with meaningfully. Section 8(2)(b) requires that for a part of the well 'intentionally not drilled vertically', the position must be expressed using 'the horizontal plane'. This is not a coordinate system or datum—it is a geometric plane. This fails to specify how the horizontal plane is to be used to express depth position, creating an ambiguous and potentially unachievable compliance obligation."},{"type":"circular_definition","section":"sec.15(3)(a)","severity":"medium","reasoning":"Section 13(1)(b)(i) requires CTSCo to determine the 'acceptable level' of risk for each identified risk, having regard to enumerated factors. There is no external benchmark or regulator-set standard for what constitutes 'acceptable'. Section 15(3)(a) then requires the chief inspector to assess whether CTSCo's proposed-way acceptable level is 'reasonable, having regard to the acceptable level for risks associated with the standard way'—but that comparator acceptable level is also CTSCo's own determination under s.13. The approval standard thus circularly refers back to CTSCo's own subjective assessment as the comparator, giving the chief inspector no independent yardstick.","confidence":0.8,"description":"The chief inspector must assess whether CTSCo's self-determined 'acceptable level' for a risk is 'reasonable, having regard to the acceptable level for risks associated with the standard way'—but the 'acceptable level' for the standard way is also set by CTSCo under s.13(1)(b)(i), not by any objective standard. This means the approval benchmark is itself subjectively set by the party seeking approval."},{"type":"impossible_compliance","section":"sec.6(2)(b)","severity":"medium","reasoning":"The regulation is framed around conversion of existing wells, not new construction. Existing casing and cement will have been subject to downhole pressures, temperatures, and chemical exposure from GHG storage operations. Requiring that the converted bore possess a functional life equivalent to newly constructed infrastructure either (a) requires complete replacement of all casing and cement—making it a new bore not a conversion—or (b) sets an impossible standard for aged materials. The provision provides no methodology for assessing 'functional life equivalence' of existing materials.","confidence":0.7,"description":"Requiring a converted GHG well to 'have a casing, and be constructed of cement, that has a functional life equivalent to the casing and cement of a newly constructed water supply bore' is potentially impossible for a converted well. A GHG well that is being converted has, by definition, already been in use—its existing casing and cement have already aged. The requirement for 'functional life equivalent to' new construction may be physically unachievable without complete replacement, which would effectively be construction of a new bore rather than conversion."}],"contradictions":[{"severity":"high","section_a":"sec.13(1)","section_b":"sec.13(2)","confidence":0.9,"description":"Section 13(1) imposes a mandatory precondition that the safety assessment must be completed *before starting works* to plug and abandon a well. Section 13(2) then expressly contemplates and accommodates a situation where works have already started before commencement of the regulation, requiring compliance 'as soon as practicable after the commencement'. These two provisions directly contradict each other: one prohibits starting works without a safety assessment; the other authorises ongoing works without one."},{"severity":"high","section_a":"sec.14(1)","section_b":"sec.14(2)","confidence":0.9,"description":"The same structural contradiction as between s.13(1) and s.13(2) applies to the plugging and abandonment plan. Section 14(1) requires the plan to be given to the chief inspector before starting works, while s.14(2) permits retrospective compliance for works already underway. This means the chief inspector may have no opportunity to review or reject a plan before works with significant environmental and safety implications are already completed or substantially advanced."},{"severity":"low","section_a":"sec.12(a)","section_b":"sec.15(2)(a)","confidence":0.55,"description":"Section 12 requires a relevant GHG well to be plugged and abandoned in the way required for a petroleum well by the construction and abandonment code (the standard way) *or* in another way approved by the chief inspector under s.15. Section 15(2)(a) empowers the chief inspector to approve the proposed way 'for section 12(b)'. This cross-reference is internally consistent on its face, but s.15(1) only applies when the proposed way *deviates* from the standard way—meaning the chief inspector's approval power under s.15 is only triggered by deviation. However, s.12 presents the two options as co-equal alternatives, potentially implying that approval is always available regardless of whether there is a deviation, which conflicts with s.15's deviation-only trigger."},{"severity":"low","section_a":"sec.5(1)(c)(ii)","section_b":"sec.8(1)(c)(v)","confidence":0.5,"description":"Section 5 requires a pre-conversion notice to include a report from a licensed water bore driller stating the well is 'suitable to be converted into a water supply bore'. Section 8(1)(c)(v) requires the post-conversion report to state, for each requirement or standard under the water bore construction codes, 'how the conversion complies'. If the s.5 suitability report was approved but the conversion subsequently could not comply with all water bore construction code requirements, the two provisions would be in conflict—the pre-conversion approval would be undermined by post-conversion non-compliance, with no mechanism provided to address this discrepancy."}]},"kimi_summary":{"content_quality":"ok","complexity_score":5,"scope_assessment":{"changed":false,"description":"The regulation appears tightly focused on its original purpose: providing transitional rules for converting specific GHG wells (from former EPQ10) to water bores and abandoning others. It does not appear to have expanded beyond this specific operational context."},"complexity_factors":["Multiple nested lists and sub-lists (e.g., section 8 has three levels of nested bullet points: (a)(i), (b)(iv)(A))","Cross-references to external documents: 'construction and abandonment code', 'GAB Water Plan', 'water bore construction codes', 'P&G Act'","Defined terms scattered throughout (e.g., 'acceptable level', 'prescribed equipment', 'well schematics') with some defined locally and others referencing external legislation","Conditional logic: 'if the proposed way will deviate from the standard way' triggers additional requirements","Temporal conditions: different rules apply if works started before the regulation's commencement date","Technical specificity: requires precise measurements (GDA2020 coordinates, depths in metres, cement volumes) and technical compliance with industry codes","Dual pathways for compliance: standard way vs. proposed way with chief inspector approval process"],"plain_english_summary":"This regulation sets out the rules for converting old greenhouse gas (GHG) wells into water supply bores (water wells) in Queensland, and for properly shutting down ('plugging and abandoning') any wells that won't be converted.\n\n**Who it affects:**\n- **CTSCo** – the company responsible for the wells (formerly holding exploration permit EPQ10)\n- **Landowners** – who will receive the converted water bores\n- **Licensed water bore drillers** – who must carry out and certify the conversion work\n- **The chief inspector** – who oversees the plugging and abandonment of wells\n\n**What it does:**\n\n**Part 2 – Converting wells to water bores:**\n- Sets out what CTSCo must tell the government before converting a well: the well's name, landowner contact details, estimated completion date, technical drawings ('well schematics'), and a report from a licensed driller confirming the well is suitable.\n- Specifies construction standards: the converted bore must be 'controlled' (properly managed), have durable casing and cement, include internal plugs to block water from wrong aquifers (underground water layers), and meet water bore construction codes.\n- Requires notice when conversion is complete, including the driller's licence number and a conversion certificate.\n- Requires a detailed conversion report covering the well's history, its condition before conversion, and exactly how it was converted – including any equipment left behind that might be hazardous to future mining operations (like aluminium, batteries, or electronics).\n\n**Part 3 – Transferring converted bores to landowners:**\n- Sets out the paperwork needed to hand over a converted water bore to the landowner, including the landowner's consent and confirmation that all conversion requirements were met.\n\n**Part 4 – Plugging and abandoning wells:**\n- Requires wells that won't be converted to be plugged and abandoned either according to the standard petroleum well code, or via an alternative method approved by the chief inspector.\n- Mandates a safety risk assessment before starting work, identifying risks to people and property and how they'll be controlled.\n- Requires a detailed plugging and abandonment plan showing how the work will be done, whether it differs from standard practice, and how risks will be managed.\n\n**Why it matters:**\nThis ensures that old carbon capture and storage wells are either safely repurposed for farmers and landowners as water bores, or properly sealed to prevent environmental damage and safety hazards. It protects groundwater resources and future mining operations by ensuring abandoned wells don't leak or leave dangerous equipment underground."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"summary":{"complexity_score":6,"scope_assessment":{"changed":false,"description":"The regulation stays squarely within its declared transitional purpose: managing the decommissioning of a specific set of greenhouse gas wells formerly associated with CTSCo's EPQ10 permit. There is no evidence of scope creep — it does not purport to regulate new GHG storage activities or apply to any entity other than CTSCo. The three mechanisms (conversion to water bores, transfer to landowners, plugging and abandonment) are all logically connected to the narrow transitional objective of safely closing out a concluded carbon storage project."},"complexity_factors":["References multiple external legislative instruments (the parent Act, the P&G Act, the GAB Water Plan, the construction and abandonment code, water bore construction codes) that must be read alongside this regulation","Highly technical subject matter involving underground geology, well construction engineering, cementing operations, and spatial coordinate systems (GDA2020)","Narrow but specialised scope — affects only one named company (CTSCo) and one former permit (EPQ10), but requires understanding of a broader regulatory framework to apply correctly","Three distinct procedural streams (conversion, transfer, plugging/abandonment) each with their own multi-step notice, reporting and approval requirements","Transitional nature adds a layer of complexity — different rules apply depending on whether work started before or after commencement","Detailed reporting requirements in section 8 involve highly specific technical documentation (borehole schematics, cementing volumes, perforation depths, equipment hazard assessments) that require specialist knowledge to prepare","Interaction between environmental law (greenhouse gas storage), water law (GAB Water Plan, water bore construction), resources law (P&G Act), and workplace safety considerations creates multi-jurisdictional complexity"],"plain_english_summary":"This temporary regulation (expires 18 June 2029) requires CTSCo to deal with decommissioned CO₂ storage wells in Queensland by either converting suitable wells into licensed water bores (with technical approvals and post‑works reporting), transferring converted bores to landowners with consent, or formally plugging and abandoning unsafe wells under a risk‑assessed plan approved by the Chief Inspector. \n\nIt protects groundwater, landowners and future miners by imposing construction, reporting and safety controls on decommissioning."},"flash_summary":{"complexity_score":7,"scope_assessment":{"changed":false,"description":"The regulation implements transitional, procedural and technical requirements to operationalise conversion, transfer and abandonment processes under the Act (secs 3, 5–15). It does not expand or remove the Act’s substantive powers; rather it specifies documentary, construction and safety standards and decision points (eg. chief inspector approval) for covered activities during the transitional period."},"complexity_factors":["Technical specificity: requires detailed well schematics tied to GDA2020, casing/cement specs and cementing volumes/losses (secs 5, 6, 8).","Cross‑reference dependency: extensive reliance on external instruments and codes (the Act, GAB Water Plan s.29(1), water bore construction codes, construction and abandonment code) increasing interpretive work (secs 6, 10, 14).","Detailed reporting obligations: conversion report must include surveys, equipment inventories (including 'prescribed equipment'), diagrams and risk assessments (sec 8).","Risk and safety framing: safety assessment must set an 'acceptable level' for each risk and list control measures, creating judgment calls and evidentiary burdens (sec 13).","Regulatory discretion: chief inspector has binary discretion to approve or require amendments to non‑standard plugging methods, subject to reasonableness tests (sec 15).","Procedural sequencing and timing: multiple mandatory notices and plans (notice of intention, notice of completion, conversion report, plugging plan) with transitional timing rules for works already underway (secs 5, 7, 8, 14).","Multiple stakeholders and duties: duties placed on CTSCo, licensed drillers and landowners, with landowner consent required for transfers, increasing coordination costs (secs 5, 7, 9).","Compliance and enforcement ambiguity: some terms (eg. 'acceptable level', 'standard way', 'proposed way') require evidential support and may invite dispute about adequacy of mitigation measures (secs 12–15)."],"plain_english_summary":"This transitional regulation (commencing 24 Jan 2026, expiring 18 June 2029) prescribes documentary, construction and safety steps for converting greenhouse‑gas (GHG) wells into water supply bores, transferring converted bores, and plugging and abandoning GHG wells. It applies mainly to CTSCo, licensed water‑bore drillers, landowners and the chief inspector. (See secs 3, 5–15.)\n\nIt requires CTSCo to give written notices and detailed technical reports, meet water‑bore construction and cementing standards, prepare safety risk assessments, and get chief inspector approval for non‑standard abandonment methods; compliance costs fall on CTSCo and contractors, and the chief inspector decides approvals (secs 5, 6, 8, 13–15)."}},"importantCases":[],"_links":{"self":"/api/acts/greenhouse-gas-storage-transitional-regulation-2026","history":"/api/acts/greenhouse-gas-storage-transitional-regulation-2026/history","analysis":"/api/acts/greenhouse-gas-storage-transitional-regulation-2026/analysis","conflicts":"/api/acts/greenhouse-gas-storage-transitional-regulation-2026/conflicts","importantCases":"/api/acts/greenhouse-gas-storage-transitional-regulation-2026/important-cases","documents":"/api/acts/greenhouse-gas-storage-transitional-regulation-2026/documents"}}