Tight Gas Sands

Tight Gas Description ImageThe 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

IMPROVED GAS RECOVERY—1: Maximizing postfrac gas flow rates from conventional, tight reservoirs

Mar 5, 2012

Hydraulic fracturing technology is widely used to facilitate and enhance the gas recovery process from conventional and tight gas resources.

Poland: Poznan East tight gas license extended

Feb 24, 2012

Poland’s Ministry of Environment has extended by 3 years the license on Block 208 at Poznan East in Poland for a geological work program of 150 line-km of 2D seismic, said Aurelian Oil & Gas PLC.

US on brink of strong oil, gas growth, Senate panel told

Jan 31, 2012

Higher crude oil prices, breakthroughs in technology, and more access to prospective acreage are creating a US oil production revival that is a major break from nearly 40 years of declining production, two experts told the US Senate Energy and Natural Resources Committee on Jan. 31.

CAPP outlines fracing operating practices for shale, tight gas

Jan 30, 2012

The Canadian Association of Petroleum Producers on Jan. 30 announced a set of hydraulic fracturing operating practices that it has adopted to improve water management and water and fluids reporting for shale gas and tight gas development across Canada.

Colorado: Dejour details Piceance Kokopelli project

Jan 26, 2012

Dejour Energy (USA) Corp., Denver, said estimated ultimate recovery at its Kokopelli gas development project in the Piceance basin is expected to be 1.125 bcf/well of wet gas generating a sales stream of .98 bcf of dry gas plus 90,000 bbl of natural gas liquids and condensate.

Trinidad's tight gas supply to ease in early 2012, minister says

Dec 2, 2011

Trinidad and Tobago’s petrochemical producers have been assured that the present natural gas shortage will be solved by February 2012. The assurance comes from Kevin Ramnarine, the Caribbean twin-island nation’s energy minister, who said the problem has nothing to do with a reserves shortage.

British Columbia: Upper Montney gas gauged at Nig

Nov 14, 2011

Yoho Resources Corp. and Progress Energy Resources Corp., both of Calgary, have gauged gas-condensate in Devonian Upper Montney tight sands at horizontal wells at Nig northwest of Dawson Creek, British Columbia.

Slovenia: Ascent to hook up tight gas-condensate well

Nov 2, 2011

Ascent Resources PLC will place on production a gas-condensate well at its Petisovci Miocene redevelopment project in Slovenia.

Poland: Rotliegendes gas found at Poznan East

Oct 18, 2011

Aurelian Oil & Gas PLC has discovered a preliminary 10-20 bcf of gas in place in Permian Rotliegendes sandstones at the Krzesinki-1 exploratory well on Poznan East Block 207 in Poland.

Poland: Siekierki tight gas appraisal well falls short

Sep 16, 2011

Aurelian Oil & Gas PLC is suspending plans for a sidetrack at the Trzek-2 well and reviewing the possibility of gas sales from the existing three wells at its Siekierki tight gas project near Poznan in west-central Poland.

Beach posts shale gas figures in the trillions

Aug 10, 2011

Beach Energy Ltd., Adelaide, booked initial contingent resources of 2 tcf of gas for its Cooper basin PEL 218 permit in South Australia.

US natural gas resource level repeats record

Apr 28, 2011

The US has an undiscovered natural gas resource potential of 1,898 tcf—the highest level in the 46-year history of the Potential Gas Committee, PGC said.

Oxy sells Argentine assets; buys US assets

Dec 20, 2010 Occidental Petroleum Corp. plans to sell its properties in Argentina for $2.5 billion to Sinopec Group.

Colombia lets contract for unconventional resources

Dec 20, 2010 Colombia's National Planning Department let a contract to Petroleum Development Consultants (PDC), London, to develop the model contract and technical regulations for the development of the country's unconventional resources.

Frac disclosures

Dec 13, 2010 The controversy surrounding perceived hazards of contaminating ground and surface fresh water from hydraulic fracturing has led service companies and operators to disclose much more about the fluids and practices that are essential for tapping the vast gas and oil resources trapped in shales, tight sands, and coals.

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