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Thursday, March 19, 2015

Coal and Petroleum Resources in the Appalachian Basin: Distribution, Geologic Framework, and Geochemical Character

USGS Publication: Professional Paper 1708
Fossil fuels from the Appalachian basin region have been major contributors to the Nation’s energy supplies over much of the last three centuries. Appalachian coal and petroleum resources are still available in sufficient quantities to contribute significantly to fulfilling the Nation’s energy needs. Although both conventional oil and gas continue to be produced in the Appalachian basin, most new wells in the region are drilled in shale reservoirs to produce natural gas...


Thursday, March 19, 2015

Structural degradation of Thar lignite using MW1 fungal isolate: Optimization studies

Outside Publication: International Biodeterioration & Biodegradation
Biological degradation of low-rank coals, particularly degradation mediated by fungi, can play an important role in helping us to utilize neglected lignite resources for both fuel and non-fuel applications. Fungal degradation of low-rank coals has already been investigated for the extraction of soil-conditioning agents and the substrates, which could be subjected to subsequent processing for the generation of alternative fuel options, like methane...


Monday, March 16, 2015

Development, evolution, and destruction of the saline mineral area of Eocene Lake Uinta, Piceance Basin, western Colorado

USGS Publication: Scientific Investigations Report 2013–5176
​Halite and the sodium bicarbonate mineral nahcolite were deposited in Eocene-age saline Lake Uinta in the Piceance Basin, northwestern Colorado. Variations in the areal extent of saline mineral deposition through time were studied using descriptions of core and outcrop.


Monday, March 02, 2015

In-Place Oil Shale Resources of the Mahogany Zone, Green River Formation, Sorted by Grade, Overburden Thickness, and Stripping Ratio, Piceance Basin, Colorado, and Uinta Basin, Utah

USGS Publication: Fact Sheet 2015-3005
A range of geological parameters relevant to mining oil shale have been examined for the Mahogany zone of the Green River Formation in the Piceance Basin, Colorado, and Uinta Basin, Utah, using information available in the U.S. Geological Survey Oil Shale Assessment database. 


Friday, February 27, 2015

Evaluation of Development Options for Alaska North Slope Viscous and Heavy Oil

Outside Publication: Natural Resources Research
Current estimates of discovered viscous and heavy oil in Alaska’s North Slope are 12 billion barrels of oil-in-place and 12–18 billion barrels of oil-in-place, respectively (see Appendix 1 for conversion to SI units). Since the early 1990s to the end of 2010, cumulative viscous oil production has amounted to 150 million barrels, and there has been no commercial production of heavy oil...


Tuesday, February 24, 2015

Assessment of unconventional oil and gas resources in the Jurassic Sargelu Formation of Iraq, 2014

USGS Publication: Fact Sheet 2015-3006
The U.S. Geological Survey (USGS) quantitatively assessed the potential for unconventional (continuous) oil and gas resources within the Jurassic Sargelu Formation of Iraq. Organic-rich shales of the Jurassic Sargelu Formation are one of the main petroleum source rocks for conventional fields in the Arabian Peninsula.


Tuesday, February 24, 2015

Stochastic reservoir simulation for the modeling of uncertainty in coal seam degasification

Outside Publication: Fuel
Coal seam degasification improves coal mine safety by reducing the gas content of coal seams and also by generating added value as an energy source. Coal seam reservoir simulation is one of the most effective ways to help with these two main objectives. As in all modeling and simulation studies, how the reservoir is defined and whether observed productions can be predicted are important considerations...


 

Page Last Modified: Wednesday, December 03, 2014

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