Coalbed Methane

Coalbed Methane (CBM) ImageCoalbed methane, or CBM, is a natural gas produced from coal seams or adjacent sandstones. In 1994, US coalbed methane reserves were 9.38 tcf, which was less than 6% of the domestic natural gas reserves. Production in 1994 was 777 bcf, or 4% of the natural gas production of the lower 48 states. Commercial production occurs in approximately 10 US basins. The major producing areas are the San Juan, Black Warrior, and Central Appalachian basins. CBM plays are now international with tests or pilot projects in about 15 countries. Coalbed methane is produced in Queensland, Australia, and the UK, and pilot projects are underway in China and India. Independent operators are the most active CBM exploration companies in the US. Internationally, both majors and independents are actively seeking to expand the industry.

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Coalbed Methane
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CBM News

Special Report: LNG Update: Asia-Pacific LNG capacities, plans to move ahead in 2010

Mar 15, 2010 Global LNG capacities and trade moved into unfamiliar and unsettling territory in 2009-10.

New York Herkimer sand gas play to expand

Feb 15, 2010 Norse Energy Corp. ASA, Oslo, has identified 300 locations on seismic that could be prospective for gas in fractured Silurian Herkimer sandstone in central New York state.

CBM Asia appoints new board director

Feb 2, 2010

The board of CBM Asia Development Corp., building on development of their Indonesia coalbed methane interests, has appointed Scott H. Stevens as a director.

Papua New Guinea explorers eye deepwater play in Coral Sea

Oct 19, 2009 Papua New Guinea has a well established oil and gas production region in the Highlands area of the country.

Special Report: Reverse osmosis treatment of CBM produced water continues to evolve

Oct 5, 2009 A comparison of two treatment plant designs shows the evolution of the reverse osmosis process for treating produced water from Powder River basin coalbed methane wells.

OGJ Newsletter

Sep 28, 2009

Drilling set on first CBM tract in Indonesia

Sep 7, 2009 A test well on Indonesia's first coalbed methane exploration and development production sharing contract is to spud by September 2009.

AWE to drill several New Zealand play types

Jul 12, 2009 Australian Worldwide Exploration Ltd., Sydney, is looking at drilling three or four exploration play types in its summer exploration in New Zealand’s Taranaki basin.

Kansas CBM well flow rates correlate to coal gas content

Jun 22, 2009 From 2001 to 2005, Quest Resource Corp. developed a set of procedures to collect, desorb, and calculate the gas contents for coal and carbonaceous shales using air rotary drill cuttings in eastern Kansas.

CBM reservoir thickness affects production from horizontal wells

Apr 27, 2009 A stimulation study shows the importance of considering reservoir thickness when developing low–permeability coalbed methane resources with a horizontal lateral.

India seeks bids in eighth NELP licensing round

Apr 27, 2009 India has invited operators to bid for 70 exploration blocks covering 163,535 sq km under its eighth New Exploration Licensing Policy (NELP 8) round.

HYDRAULIC FRACTURING—1: Natural fractures influence shear stimulation direction

Mar 23, 2009 Hydraulic fracturing in the presence of natural fractures causes a complex network of fractures to form because of shear and tensile failure.

Reserves booked in remote US, Canada plays

Feb 23, 2009 GeoMet Inc., Houston, booked proved reserves at the end of 2008 in remote gas plays in Alabama and British Columbia, the company reported.

Total signs agreement on Libyan blocks

Feb 23, 2009 Total SA will convert its petroleum agreements with Libya’s National Oil Corp.

Iraq’s E&D Future —2 Impediments abound to exploiting Iraq’s vast petroleum resource

Jan 26, 2009 The traditional go-slow approach of the Iraq Petroleum Co. and its associated companies, its ability to shift exploration and production to where it best served its interests and to strengthen its negotiating power; as well as Iraq’s politically-driven, confrontational oil policy, unnecessary and destructive wars, and years of sanctions, have proven to be serious impediments to the development of Iraq’s oil industry.
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