Shale and Tight Gas Framework
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Guide to the Regulatory Framework for Shale and Tight Gas in Western Australia A Whole-of-Government Approach 2015 Edition April 2015 Department or Agency Director General Signature Department of Mines and Petroleum Richard Sellers ___________________________________ Department of Health David Russell-Weisz ___________________________________ Department of Water Mike Rowe ___________________________________ Environmental Protection Authority Paul Vogel ___________________________________ Office of the Environmental Protection Authority Kim Taylor ___________________________________ Department of Aboriginal Affairs Cliff Weeks ___________________________________ Department of Environment Regulation Jason Banks ___________________________________ Department of Parks and Wildlife Jim Sharp ___________________________________ Department of Planning Gail McGowan ___________________________________ Disclaimer The information in this document is provided in good faith and is considered to be accurate at the time of publication. This document is intended as an overview. The information in this document is not legal advice and does not purport to be a complete statement of all the legal responsibilities applicable to shale and tight gas operations or operators in all circumstances. Readers of this document should seek independent advice as to the legal responsibilities that apply to them. The State of Western Australia does not accept any liability in negligence or otherwise for any loss sustained by anyone in reliance on the information contained in this document. Copyright in this document resides with the State of Western Australia. Guide to the Regulatory Framework for Shale and Tight Gas in Western Australia 1 Contents Forward ...................................................................................................................................................... 5 1 Shale and tight gas in Western Australia .............................................................................................. 6 1.1 What is ‘shale and tight gas’? ...............................................................................................................................................................6 1.2 How does shale and tight gas differ to coal seam gas? ...........................................................................................................................6 1.3 Location and amount of shale and tight gas in Western Australia ............................................................................................................7 1.3.1 Perth Basin.........................................................................................................................................................................8 1.3.2 Canning Basin ....................................................................................................................................................................8 1.3.3 Other sedimentary basins with potential ...............................................................................................................................8 1.3.4 Viability of development .......................................................................................................................................................8 1.4 Developing shale and tight gas .............................................................................................................................................................8 1.4.1 What would a shale or tight gas project look like? .................................................................................................................9 1.4.2 Drilling techniques ............................................................................................................................................................11 1.4.3 Hydraulic fracture stimulation ............................................................................................................................................11 2 Statutory Framework .......................................................................................................................... 14 2.1 Relevant Acts and Government agencies .............................................................................................................................................14 2.2 DMP’s role in the Statutory Framework ................................................................................................................................................18 2.2.1 Exploration .......................................................................................................................................................................18 2.2.2 Proof of concept ...............................................................................................................................................................19 2.2.3 Production ........................................................................................................................................................................20 2.2.4 Decommissioning and rehabilitation ...................................................................................................................................21 2.3 Environmental assessment by other agencies ......................................................................................................................................21 2.3.1 Referral to the Environmental Protection Authority ...............................................................................................................21 2.3.2 Environmental Impact Assessment .....................................................................................................................................22 2.3.3 Referral to the Australian Department of the Environment ....................................................................................................22 2.3.4 Administrative arrangements with other State agencies .......................................................................................................23 3 Operational requirements ................................................................................................................... 25 3.1 Standards for hydraulic fracture stimulation .........................................................................................................................................25 3.2 Well construction ...............................................................................................................................................................................25 3.3 Well integrity......................................................................................................................................................................................25 3.4 Volumes of water used in the hydraulic fracture stimulation fluid ...........................................................................................................28 3.4.1 Estimated water volumes...................................................................................................................................................28 3.4.2 Access to water for hydraulic fracture stimulation and drilling ..............................................................................................29 3.4.3 Assessment of water licence applications ...........................................................................................................................29 2 Guide to the Regulatory Framework for Shale and Tight Gas in Western Australia 3.5 Hydraulic fracture stimulation — use of chemicals ..............................................................................................................................29 3.6 Spill mitigation and planning ...............................................................................................................................................................30 3.7 Waste disposal ..................................................................................................................................................................................30 3.8 Processes associated with decommissioning .......................................................................................................................................31 4 Community engagement..................................................................................................................... 32 4.1 Industry engagement .........................................................................................................................................................................32 4.2 DMP’s stakeholder engagement strategy .............................................................................................................................................32 5 Addressing potential issues and impacts ........................................................................................... 34 5.1 Land access ......................................................................................................................................................................................34 5.1.1 Comparison of access rights between mining and petroleum projects ..................................................................................34 5.1.2 Access to petroleum resources in public reserves ...............................................................................................................35