The production of csg releases a significant amount of brackish water. Wsgp coal seam gas water management plan senex energy. Wastewater can be treated by reverse osmosis to remove any chemicals present and reduce lower the salinity. This fact sheet focuses explains how mining and coal seam gas csg projects are assessed and approved. Pumping groundwater from a coal seam reduces the pressure that keeps the coal seam gas csg in place. Peat coal seam gas water management plan management plan doc ref. Groundwater modelling report for the surat cma, main report pdf, 14. The development of australias coal seam gas resources. The management of brine, generated from the desalination of saline water, is a key challenge for the mining, coal seam gas csg, resources and power industry in australia and the communities of the inland towns that support these industries. Csg water in excess to that which can be directly injected or beneficially used, is to be aggregated for disposal. The coal seam gas water feasibility study will analyse the opportunities for, and the risks and practicability of, using csg water to assist in achieving the longterm goals in the qmdb of transitioning irrigation communities to lower water use and securing viability of ecological assets. Talinga water treatment facility q412015qa0001 version date description original checked approved 2 28092011 updated appendix b justification comments kl kp gb 1 16092011 updated for amendment to interim recycled water management plan. Water and salt management are the major issues associated with coal seam gas activities.
The objective of the santos glng gas field development project gfd project coal seam water management strategy is to outline how santos. Technical reports for the surat cma business queensland. Project atlas coal seam gas water management plan coal seam gas water management plan senexatlsenpln006 revision 0 30 october 2018 page 8 of 49 uncontrolled when printed 1. The national partnership agreement on coal seam gas and. Coal seam gas water management policy 2012 v the requirements of the water act such as a csg operators make good obligations. The wsgp covers an area of approximately 915 km2 and comprises atp767, atp795, and. Coalbed methane cbm or coal bed methane, coalbed gas, coal seam gas csg, or coalmine methane cmm is a form of natural gas extracted from coal beds. Managing produced water from coal seam gas projects.
The sewanee coal seam, waldens ridge and development. Coal seam gas water management policy 2012 queensland. In may 2009, the government released the management of water produced from coal seam gas production discussion paper. Water and coal seam gas managing coal seam gas produced water author.
The main objective of this management plan is to account. But coal seam gas, just like conventional gas, can be used to power water and space heating for industrial, commercial and domestic users, as well as in gas turbines to generate electricity. Csg can be captured for use as an energy source for power generation or it can be processed into liquefied natural gas lng for export and use worldwide. Any kind of a fuel spill would quickly reach the shale layer underneath the lop site and migrate into the interconnected cavities. Aims and objectives of the plan the coal seam gas water management plan. Santos glng coal seam water monitoring and management. Thus, the coal seams are merely a new source for an old and valued fuel. The policy does, however, encourage csg operators to consider the feasibility of using csg water to meet these obligations as part of developing their csg water management strategies and plans. Coal seam gas water environment department of environment. Growth in coal seam gas csg in queensland has been rapid over the past 15 years, peaking at 1,634 wells drilled in 2014. It usually involves tens of thousands of gas wells, with roads, pipelines, compressor stations, wastewater dams, and other infrastructure. Pumping groundwater from a coal seam reduces the pressure that keeps the coal seam gas \csg\ in place. Emp required for a large scale coal seam gas environmental authority application. Independent research on csg nsw resources and geoscience.
Senex have developed a coal seam gas water management plan cwmp to set out their objectives, strategies and proposed management and monitoring practices associated with managing coal seam gas csg produced water fr om the western surat gas project wsgp. An analysis of coal seam gas production and natural. Coal seam gas wells release the gas by reducing the pressure through groundwater extraction. Among other things, the study will consider the feasibility. Executive summary this coal seam gas csg water management plan cwmp describes how water produced from csg wells. This fraccing method changes the pressure of the stored gas, and stimulates the coal bed seam that releases more methane gas. The coal seam gas water management policy 2012 focuses on the management and use of csg water under the environmental protection act 1994, and does not vary the requirements of the water act 2000 water act, such as making good any relevant impacts that may result from a csg operation on water supply bores. Cumulative risk management, coal seam gas, sustainable. Natural gas produced from coal beds coalbed methane, cbm accounts for about 7.
This allows the gas and produced groundwater to flow into the csg well and up to the surface. The volatile organic compounds in the fuels would mix with mine methane creating a highly explosive gas that. Pdf environmental issues associated with coal seam gas. Definitions a coal seam gas development is defined under the epbc act section 528 as. Along with this gas, water is also brought to the surface. Coal seam gas water treatment for beneficial reuse semantic scholar. Grazing is the most common agricultural land use in areas developed for coal seam gas csg in queensland. A case study on management of coal seam gas byproduct water mojibul sajjad, mohammad g. Hydraulic fracturing, more commonly known as fracking or fraccing, is used to stimulate and accelerate the flow of coal seam gas. Csg water storage dams will be assessed using the manual for assessing hazard categories. Produced water is the water that is then removed from a coal seam to depressurise the coal seam and release the gas. Spring gully coal seam gas water management plan rev 7. Coal seam water management strategy z state development.
Coal seam gas csg is typically around 97% pure methane which is a gas formed millions of years ago as part of the burial of peat to form coal. Human health effects of coal seam gas activities a study. Nsw department of primary industries office of water 20, water and coal seam gas. Coal seam gas extraction and coproduced water pdf 294. Coal seam gas csg is a form of natural gas that occurs in coal seams laid down mainly during the permian period, between 299 million and 251 million years ago. The narrabri coal seam gas project operations and water management plan pal 2, gunnedah basin new south wales september 2008. The oil and gas industry is a significant contributor to australias economy, representing around 2% of its gdp. Production normally requires the drilling of many wells at a more dense spacing than normally required for conventional gas production. To produce coal seam gas csg, wells are drilled into underground coal seams, bringing water csg water from the seams to the surface.
Coal, coal seam gas csg and water in the case of development activity related to large coal mines and the extraction of coal seam gas, this includes potential impacts on water resources. Pdf management of coal seam gas csg byproduct water. The narrabri coal seam gas project operations and water. Growth in coal seam gas activities has grown rapidly since then to 11,444 coal seam gas wells in queensland at the end of the 201819 financial year. The role of the coal seam gas water management policy 2012esr20162381 formerly em738 pdf. Pdf coal seam gas associated water production in queensland. Spring gully coal seam gas water management plan cdnid 12369206 released on 22112017 revision 7 status issued for use document custodian is igoperationsaplnghse origin energy upstream operator pty ltd abn 67 105 423 532 page 5 of 94 once printed, this is an uncontrolled document unless issued. Coal seam gas produced water and site management coal seam gas extraction target coal seams for coal seam gas csg production are generally 300 metres below ground surface. The role of the coal seam gas water management policy 2012esr2016 2381 formerly em738 pdf. The policy finalises the discussion paper published by the department of infrastructure and planning titled. Pdf coal seam gas csg development in queensland is currently going. This report was derived from an extensive range of literature, most of which is.
Fact sheet coal seam gas extraction and coproduced water. Project atlas environmental authority amendment supporting. Coal seam gas water management policy 1 purpose the purpose of this policy is to ensure that salt produced through coal seam gas csg activities does not contaminate the environment and to encourage the beneficial use of treated csg water. Contamination of the coal seam would be disastrous because of the potential coal seam fire.
The advice is designed to ensure that decisions by regulators on coal seam gas or large coal mining developments are informed by the best available science. Aquatech is a global leader in pretreatment, desalination, posttreatment, concentrated waste disposal, and coal seam gas produced water treatment to meet the required water quality standards for the coal seam gas industries. It describes the regulatory frameworks governing different stages of mining and csg activities, and highlights the specific times at. Coal seam gas csg mining is an invasive form of unconventional gas mining.
Water and coal seam gas managing coal seam gas produced. Within the surat, the walloon coal measures csg wells petroleum gas wells surat cumulative management area approx not to scale figure 1. Coal seam gas doctors for the environment australia. The commonwealth regulatory regime works in concert with state and territory governments, which have primary responsibility for water resources and. Flowback water is the water that returns to the surface after fracking has been completed and will contain traces of the additives that have been added for fracture stimulation. Csiro scientists investigated graziers concerns about the impacts of csg traffic and. The amount of water produced from most cbm wells is relatively high compared to conventional natural gas wells because coal beds contain.
At the core of this is an effective water management strategy coupled with an environmentally compliant waste management and energy solution. The principal problem with produced water treatment lies in the disposal of salt concentrates. Understanding coal seam gas associated water, regulations. Regulated dams in environmentally relevant activities. The gas field brine management plans will now be submitted to the dote in santos glng coal seam water monitoring and management annual report in 2019, due to an extension granted by the state government dehp for submission of brine management plans to december 2019. In recent decades it has become an important source of energy in united states, canada, australia, and other countries. A csg project can spread across hundreds of thousands of hectares of land. Managing coal seam gas activities queensland audit office. In many cases, the cost and technical challenges relating to the management of brine has a greater. Most of queenslands coal seam gas activity occurs in the states agricultural regions.
Location, extent and density of coal seam gas mines in southern queensland. Pdf coal seam gas csg is on track to become a major new export for australia. The water is drawn back to the surface, along with the released methane gas. Peat coal seam gas water management plan management plan. A case study on management of coal seam gas byproduct. Csg water storage dams will be assessed using the manual for assessing. Coal seam gas solutions veolia australia and new zealand. Oceans and atmosphere human health effects of coal seam gas activities a study design framework task 4 report for health project h. The term refers to methane adsorbed into the solid matrix of the coal. The authors have sought to ensure that sources for their use of text, figures, diagrams and images are provided in text, footnotes or. Report describing the construction and calibration of the current regional groundwater flow model used by ogia to predict water pressure impacts on aquifers in the surat cma. As both the coal seam gas and agriculture industries are important to the states economy, it is essential that the coal seam gas industry is effectively regulated to ensure the different industries, landholders, and communities involved coexist, the benefits are maximised, and the risks managed. During coal seam gas operations the water must be pumped out of the coal seam to lower the pressure and allow the gas to flow to the surface. In nsw the coal seams targeted for gas production are generally found between 200 metres an d metres below the ground.
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