Unconventional Oil & Gas

Shale plays first come to mind when one considers unconventional resources. These unconventional resource plays may yield natural gas, gas condensates, and crude oil. Some of the more noteworthy shale plays in North America include the Barnett, Haynesville, Marcellus, Eagle Ford, Fayetteville, Woodford, Bakken, Niobrara, Horn River, and Utica formations. Tight gas, coalbed methane, oil sands, and heavy oil are non-shale unconventional resources.


Eagle Ford | Marcellus | Cline | Permian | Utica | Bakken | Woodbine & Eaglebine

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
Tight Gas

Tight Gas News

Germany to set new rules for fracking

Jun 5, 2014

Germany plans to draw up new rules for the controversial method of fracking for gas, which will impose tight restrictions on the technique that has led to a shale gas boom in the US, says Reuters.

Capture Value of Innovations

Dec 12, 2013

The different dynamics in the oil and gas business are creating unique opportunities for oilfield service companies.

Sun River shale well has Haynesville, Cotton Valley potential

Dec 8, 2010

Dallas-based Sun River Energy began drilling activities in compliance with the terms of its farmout agreement with Devon Energy Production Co. LP. The well, in Panola County in East Texas, is permitted to 12,000 feet in the Carthage Field to test the Haynesville Shale. The company expects to encounter commercially productive zones in the Travis Peak and Cotton Valley geological formations.

Comstock delayed in completing Haynesville and Bossier shale wells

Oct 19, 2010

Comstock Resources to sell Mississippi assets for $75M

Oct 12, 2010

In an effort to focus on its Haynesville, Bossier, and Eagle Ford shale assets, Comstock Resources Inc. has agreed to sell its Mississippi oil and gas properties to a privately held company for $75 million cash.

Gastar completes Middle Bossier well

Oct 1, 2010

Gastar Exploration Ltd. has completed the Streater #1 well in a single middle Bossier zone.

Sale of Australian assets helps transform Gastar


Mexco Energy buys royalty interests in Haynesville shale

Aug 18, 2010

Mexco Energy Corp.  has purchased overriding royalty interests in 5,120 gross acres covering eight sections in the Haynesville trend area of DeSoto Parish, Louisiana, for roughly $1.65 million.

EXCO closes on Haynesville, Bossier shale properties from Southwestern

Jun 30, 2010

EXCO Resources Inc. has closed the purchase jointly with BG Group, plc of properties in the Haynesville and Bossier shale plays from Southwestern Energy Co.

Range Resources acquires Cotton Valley interest, plans 20 well program

Jun 28, 2010

In June 2010, West Perth, Australia-based Range Resources acquired a 13.56% interest in roughly 1,570 gross acres in the Cotton Valley located in Red River County, Texas, for US$254,000.

Old Park Lane Capital raises A$10 million for Range Resources

Jun 24, 2010

Old Park Lane Capital Plc (OPL) has raised up to A$10m for dual AiM/ASX listed oil and gas producer/ explorer Range Resources Ltd.

EXCO acquires Haynesville, Bossier Shale assets from Southwestern for $355M

Jun 17, 2010

Oil and natural gas company EXCO Resources Inc. has agreed to purchase certain Haynesville and Bossier shales properties from Southwestern Energy Co. for $355 million.

Ivanhoe Energy targets tight gas with drilling at Zitong-1 in China

Jun 15, 2010

Ivanhoe Energy Inc. announced that Sunwing Energy Ltd., the company's wholly-owned subsidiary, has commenced drilling at Zitong-1 located in Sichuan Province, China's most prolific gas producing region.

Looney retires Goodrich Petroleum CFO post

Mar 26, 2010

David R. Looney has retired from his position as executive vice president and CFO of Houston-based Goodrich Petroleum.

Shell, CNPC team up to produce natural gas in China

Mar 23, 2010

For the second time in a week, China National Petroleum Corp. (CNPC) and Shell have joined forces in the name of unconventional gas. Most recently, state-owned CNPC and Shell have developed a plan to jointly develop and produce natural gas in China's Sichuan basin.

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