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.
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Eagle Ford |
Bakken |
Shale Gas Plays |
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Cabot using Marcellus field gas to fracture wells
May 20, 2013
Cabot Oil & Gas Corp. said it is using natural gas from the Marcellus shale in Susquehanna County, Pa., to fracture wells via dual-fuel technology in a process that can displace as much as 70% of the diesel fuel traditionally used to operate hydraulic fracturing equipment. |
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DOI releases revised proposal to regulate hydraulic fracturing
May 17, 2013
The US Department of the Interior released a revised proposal to regulate hydraulic fracturing on public and Indian lands that it said would maintain important safety standards, improve integration with existing state and tribal rules, and increase flexibility for oil and gas producers. |
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Double Eagle pipeline begins Eagle Ford condensate shipments
May 14, 2013
Double Eagle Pipeline LLC, a 50-50 joint venture of Magellan Midstream Partners and Kinder Morgan Energy Partners, has started shipping condensate for Eagle Ford shale producers in Karnes and Live Oak counties, Tex. |
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Large gain seen in Alberta oil production
May 13, 2013
Bitumen will claim an increased share of sharply higher oil production in Alberta over the next 10 years, according to the provincial Energy Resources Conservation Board. |
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San Leon Energy to buy Talisman’s share of Poland shale gas JV
May 13, 2013
San Leon Energy PLC agreed to buy Talisman Energy Inc.’s share of a shale gas joint venture in Poland. Talisman is the second international major oil company to withdraw from Poland, following a decision last year by ExxonMobil Corp. to exit Poland after early results failed to produce commercial wells. |
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The Unconventional Oil & Gas Report closely follows and covers developments of shale plays at the local level through features and stories based on interviews with key industry executives and companies involved in unconventional resource plays and the business developments.
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Oil Sands and Heavy Oil TechnologiesCalgary, Alberta, Canada , Canada
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AIPN Internation ConferenceSingapore , Singapore
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Deep Offshore Technology InternationalHouston, Texas , USA
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PetroWorld IndiaMumbai, India , India
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Bakken | Barnett |Cotton Valley | Eagle Ford | Fayetteville | Granite Wash | Haynesville | Horn River | Marcellus | Niobrara | Piceance/Uinta | Utica | Woodford | Tight Gas | Coalbed Methane | Oil Sands |
International Unconventional
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.
| Tight Gas |
BP: Shale gas, tight oil to reshape global markets by 2030
Feb 5, 2013
The North American shale gas and tight oil revolution will reshape global markets, changing economic expectations and rebalancing trade flows, BP PLC said in its BP Energy Outlook 2030. |
Deloitte: International shale development will take longer than in US
Nov 14, 2012
Vast shale plays worldwide are going to be explored and developed although it’s going to take more than a decade before another country outside the US or Canada can duplicate the current US shale boom, speakers told the Deloitte Oil & Gas Conference on Nov. 13 in Houston. |
Shell updates Changbei, other projects in China
Jul 25, 2012
Shell and China National Petroleum Corp. have amended the production sharing contract that covers the 1,693 sq km Changbei tight gas block in China’s Ordos basin to cover an extended development phase. |
Poland: FX seeing tight gas production increases
Mar 13, 2012
FX Energy Inc., Salt Lake City, said its gas production in Poland has averaged 13.5 MMscfd so far in 2012, up from the 2011 average of 12 MMscfd. |
Wintershall starts Dutch North Sea tight gas flow
Mar 6, 2012
A group led by Wintershall has started production from K18-Golf field, the company’s first tight gas field in the Netherlands North Sea. |
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. |
