Scientific inquiry into hydraulic fracturing in the Northern Territory
Scientific inquiry into hydraulic fracturing of unconventional reservoirs in the Northern Territory; Interim report into hydraulic fracturing; Final Report: Scientific Inquiry into Hydraulic Fracturing; Final Report Appendices: Scientific Inquiry into Hydraulic Fracturing; Draft Final Report : Scientific inquiry into hydraulic fracturing; Draft Final Report Appendices : Scientific inquiry into hydraulic fracturing; Summary of Draft Final Report : Scientific inquiry into hydraulic fracturing; Background and issues paper; Fracking implementation plan; Fracking implementation plan Parts 2 - Recommendations
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The report sets out the work undertaken by the Inquiry to date in assessing the impacts and risks associated with any potential onshore unconventional shale gas development in the Northern Territory. The report explains the method by which the Inquiry proposes to gather and then assess the evidence relevant to the issues that have been identified and discussed with the public. Where appropriate, the Interim Report makes some preliminary assessments about the likelihood of some of those risks eventuating as well as the methods to mitigate the risks. Finally, the report de4scribes the future work of the Inquiry that will be undertaken prior to the release of its draft Final Report by the end of the year.; Made available via the Publications (Legal Deposit) Act 2004 (NT).
The Inquiry is Chaired by Justice Rachel Pepper. The panel comprises 10 eminent scientists across a range of disciplines. Includes bibliographical references : pages 161-170. Publication spans 2017-2018; Made available via the Publications (Legal Deposit) Act 2004 (NT).
Executive summary -- Purpose of the Inquiry -- Work of the Inquiry to date -- Evidence and risk assessment methodology -- Summary of discussions at community forums and the revised list of issues -- Shale gas development and management -- Shale gas in Australia and the Northern Territory -- Water -- Land -- Greenhouse gas emissions -- Public health -- Aboriginal people and their culture -- Social impacts -- Economic impacts -- Regulatory reform -- Future work of the Inquiry -- Appendices 1-14
Gas wells -- Hydraulic fracturing; Coalbed methane -- Environmental aspects -- Northern Territory; Coalbed methane -- Economic aspects -- Northern Territory; Shale gas
Hydraulic Fracturing Inquiry; Northern Territory Government
10 volumes : colour illustrations, colour maps ; 30 cm.
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https://hdl.handle.net/10070/444277; https://hdl.handle.net/10070/444275; https://hdl.handle.net/10070/444278; https://hdl.handle.net/10070/444280; https://hdl.handle.net/10070/444282; https://hdl.handle.net/10070/444284; https://hdl.handle.net/10070/444287; https://hdl.handle.net/10070/444290; https://hdl.handle.net/10070/444291
BACKGROUND AND ISSUES PAPER 20 February 2017 6 3.3. The extraction of shale gas Shale gas is mainly methane that is trapped within clay-rich sedimentary rock at depths greater than 1,500 metres. The low permeability of the rock means that gas, either absorbed or in a free state, in the pores of the rock, is unable to flow easily. To extract shale gas, wells are drilled anywhere from 1,500 4,000 metres deep through various layers of rock to access the shale. The wells are lined with various steel casings as shown in Figure 2 below, which are cemented using fit-for-purpose cement designed to protect groundwater from contamination. To maximise shale gas recovery a technique called horizontal drilling is used. This technique typically involves the well changing from a vertical to a horizontal direction deep underground, away from any aquifer. Figure 2: Schematic diagram showing typical well construction, casing, and horizontal drilling. Source: Modified from Society of Manufacturing Engineers.
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