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Tuesday, February 02, 2016

Assessment of undiscovered gas resources of the Thrace Basin, Turkey, 2015

USGS Publication: Fact Sheet 2016-3001
Using a geology-based assessment methodology, the U.S. Geological Survey assessed undiscovered, technically recoverable mean resources of 787 billion cubic feet of conventional gas and 1,630 billion cubic feet of unconventional gas in the Thrace Basin, Turkey.


Monday, February 01, 2016

Geochemistry of formation waters from the Wolfcamp and “Cline” shales: Insights into brine origin, reservoir connectivity, and fluid flow in the Permian Basin, USA

Outside Publication: Chemical Geology

Despite being one of the most important oil producing provinces in the United States, information on basinal hydrogeology and fluid flow in the Permian Basin of Texas and New Mexico is lacking. The source and geochemistry of brines from the basin were investigated (Ordovician- to Guadalupian-age reservoirs) by combining...


Wednesday, January 27, 2016

Volatile-organic molecular characterization of shale-oil produced water from the Permian Basin

Outside Publication: Chemosphere
Growth in unconventional oil and gas has spurred concerns on environmental impact and interest in beneficial uses of produced water (PW), especially in arid regions such as the Permian Basin, the largest U.S. tight-oil producer. To evaluate environmental impact, treatment, and reuse potential, there is a need to characterize the compositional variability of PW.

Wednesday, January 20, 2016

Assessment of unconventional tight-gas resources of the Magallanes Basin Province, Chile, 2015

USGS Publication: Fact Sheet 2015-3085
Using a geology-based assessment methodology, the U.S. Geological Survey assessed a technically recoverable mean resource of 8.3 trillion cubic feet of unconventional tight gas in the Zona Glauconitica of the Magallanes Basin Province, Chile.


Tuesday, January 12, 2016

Assessment of undiscovered continuous gas resources of the Ordos Basin Province, China, 2015

USGS Publication: Fact Sheet 2015-3087
Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean resources of 28 trillion cubic feet of tight gas and 5.6 trillion cubic feet of coalbed gas in upper Paleozoic rocks in the Ordos Basin Province, China.


Wednesday, December 23, 2015

U.S. Geological Survey assessment of reserve growth outside of the United States

USGS Publication: Scientific Investigations Report 2015-5091
The U.S. Geological Survey estimated volumes of potential additions to oil and gas reserves for the United States by reserve growth in discovered accumulations. These volumes were derived by using a new methodology developed by the U.S. Geological Survey and reviewed by the American Association of Petroleum Geologists Committee on Resource Evaluation.


Tuesday, December 22, 2015

The U.S. Geological Survey coal quality (COALQUAL) database version 3.0

USGS Publication: Data Series 975

Since the mid-1970s, the U.S. Geological Survey (USGS) has maintained a coal quality database of national scope named USCHEM, which currently contains data for over 13,000 samples. A subset of the USCHEM database called COALQUAL Version 1.3 was initially published in 1994 and was followed by Version 2.0 in 1997...


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