Tight Gas Sands
The term tight gas sands refers to low-permeability sandstone reservoirs that produce primarily dry natural gas. A tight gas reservoir is one that cannot be produced at economic flow rates or recover economic volumes of gas unless the well is stimulated by a large hydraulic fracture treatment and/or produced using horizontal wellbores. This definition also applies to coalbed methane, shale gas, and tight carbonate reservoirs. Tight sands produce about 6 tcf of gas per year in the United States, about 25% of the total gas produced. The Energy Information Administration estimates that 310 tcf of technically recoverable tight gas exists within the US, representing over 17% of the total recoverable gas. Worldwide, more than 7,400 tcf of natural gas is estimated to be contained within tight sands, with some estimates as large as 30,000 TCF.
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Tight Gas News
Gastar sells East Texas gathering system
Nov 18, 2009
Gastar Exploration Ltd. has sold its majority interest in the Hilltop Resort Gathering System to US Infrastructure LP for roughly $21.7 million. |
Patara, Contango partner to develop Cotton Valley reserves
Oct 25, 2009
Houston-based Patara Oil & Gas LLC signed a joint venture agreement with Houston-based Contango Oil & Gas Co.'s wholly-owned subsidiary, Conterra Co. to develop proved undeveloped Cotton Valley gas reserves in Panola County, Texas. |
Velocity Midstream Partners closes Berry East Texas midstream acquisition
Jul 22, 2009
Velocity Midstream Partners LLC finalized its acquisition of certain Berry Petroleum Co. midstream infrastructure assets. |
GMX Resources completes, tests latest Haynesville well
May 12, 2009
GMX Resources has completed the Verhalen "A" 2H Haynesville / Bossier horizontal well having a 4,198 foot lateral and 14 fracture treatment stages and an initial 24 hour production rate of 8.5 million cubic feet per day of gas, on a 14/64 choke and 4164 pounds of flowing casing pressure into the sales line. The first five Haynesville / Bossier wells have an average IP of greater than 8.3 MMcfd. |
El Paso keeps E&P budget flexible
Apr 14, 2009
Independent oil and gas company El Paso Exploration & Production expects to spend between $0.9 billion and $1.3 billion in 2009 depending on market conditions. |
Anadarko strikes oil at Heidelberg prospect
Mar 1, 2009
Oil major Anadarko Petroleum has made an oil discovery at its Heidelberg prospect in Green Canyon block 859 in the deepwater Gulf of Mexico.
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Improving returns on tight gas
Jul 1, 2007
Tight or unconventional gas represents a large remaining resource in North America.
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Private company executives sound off on operations
Nov 1, 2005
Oil & Gas Financial Journal asked three private company officials about their operations, goals, and future plans.
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