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By National Research Council, Division on Earth and Life Studies, Water Science and Technology Board, Board on Earth Sciences and Resources, Committee on Earth Resources, Committee on Management and Effects of Coalbed Methane Development and Produced Water i

In a few coalbeds, obviously taking place water strain holds methane--the major component to typical gas--fixed to coal surfaces and in the coal. In a coalbed methane (CBM) good, pumping water from the coalbeds lowers this strain, facilitating the discharge of methane from the coal for extraction and use as an power resource. Water pumped from coalbeds in this process--CBM 'produced water'--is controlled via a few blend of remedy, disposal, garage, or use, topic to compliance with federal and nation regulations.

CBM produced water administration should be hard for regulatory corporations, CBM good operators, water remedy businesses, coverage makers, landowners, and the general public due to transformations within the caliber and volume of produced water; on hand infrastructure; charges to regard, shop, and shipping produced water; and states' felony attention of water and produced water. a few states think of produced water as waste, while others give some thought to it a important byproduct of methane creation. therefore, even though present applied sciences enable CBM produced water to be taken care of to any wanted water caliber, nearly all of CBM produced water is shortly being disposed of a minimum of fee instead of positioned to worthy use.

This ebook particularly examines the Powder River, San Juan, Raton, Piceance, and Uinta CBM basins within the states of Montana, Wyoming, Colorado, New Mexico, and Utah. The conclusions and suggestions establish gaps in info and knowledge, power precious makes use of of CBM produced water and linked expenses, and demanding situations within the latest regulatory framework.

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The CBM is found in the Mesaverde Group. Fm = Formation. , et al. Copyright 2003 by Rocky Mountain Association of Geologists. Reproduced with permission of Rocky Mountain Association of Geologists. 33 Copyright © National Academy of Sciences. All rights reserved. Management and Effects of Coalbed Methane Produced Water in the United States C O A L B E D M E T H A N E P R O D U C E D WAT E R I N T H E W E S T E R N U . S . 1). The Piceance and Uinta basins have seen significantly less CBM development.

SOURCE: Adapted from EIA (2009c). Criteria pollutants are the only air pollutants with national air quality standards that define allowable concentrations of these substances in ambient air.  13 Copyright © National Academy of Sciences. All rights reserved. 3 Sedimentary basins with CBM resources in the United States show the highest concentrations in the western United States. S. 4). SOURCE: EIA (2007). Management and Effects of Coalbed Methane Produced Water in the United States 14 Copyright © National Academy of Sciences.

13 Copyright © National Academy of Sciences. All rights reserved. 3 Sedimentary basins with CBM resources in the United States show the highest concentrations in the western United States. S. 4). SOURCE: EIA (2007). Management and Effects of Coalbed Methane Produced Water in the United States 14 Copyright © National Academy of Sciences. All rights reserved. Management and Effects of Coalbed Methane Produced Water in the United States Methane and Water in Coalbeds vary within and among individual basins, depending on a basin’s geological evolution, the grade of coal in the basin, and the hydrogeological setting of the coal deposits in the basin (see Chapter 2 for detail).

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