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Marcellus, Utica Natural Gas Assessments Nearly Doubled by USGS

The U.S. Geological Survey (USGS) on Thursday sharply raised its assessments for the Marcellus and Utica shale formations, estimating they hold a mean of 214 Tcf of undiscovered, technically recoverable natural gas resources — with the Utica now topping the Marcellus.

October 3, 2019
Fluid Density Differences Said to Cause Anadarko Basin Tremors Long After Oil, Gas Drilling Completed

Fluid Density Differences Said to Cause Anadarko Basin Tremors Long After Oil, Gas Drilling Completed

A new geological study that focused on areas of the Anadarko Basin in Oklahoma shows that differences in density between underground water and wastewater from oil and gas drilling injected into the ground corresponds with continued earthquakes long after the drilling stops.

July 24, 2019

Culprit in Texas Quakes Likely Wastewater Injection, Say Researchers

Researchers said an analysis of seismic activity within two geologic regions in Texas supports the assertion that a series of earthquakes that has struck the area since 2009 were caused by human activity, with injected wastewater from oil and gas drilling in the Barnett Shale possibly to blame.

November 29, 2017
USGS: Ground Shook Less in Oklahoma Last Year, But Hazards Remain

USGS: Ground Shook Less in Oklahoma Last Year, But Hazards Remain

Seismic activity thought to be caused by human actions — mainly drilling wastewater injection — declined in Oklahoma last year, possibly because of limits placed on disposal wells, the U.S. Geological Survey (USGS) said Wednesday.

March 1, 2017
Wolfcamp Shale in Permian’s Midland Three Times Larger Than Bakken-Three Forks, Says USGS

Wolfcamp Shale in Permian’s Midland Three Times Larger Than Bakken-Three Forks, Says USGS

In the largest estimate ever of unconventional oil in the United States, the U.S. Geological Survey said the Wolfcamp Shale within the Permian Basin’s Midland formation in West Texas contains an estimated mean of 20 billion bbl of oil, 16 Tcf of associated natural gas and 1.6 billion bbl of natural gas liquids.

November 16, 2016

February Quake in Oklahoma Likely Triggered by Disposal Wells, Says USGS

Researchers with the U.S. Geological Survey (USGS) said a 5.1-magnitude earthquake that struck Oklahoma last February was likely caused by nearby oil and natural gas disposal wells, noting that injected volumes of wastewater had increased seven-fold over the last three years.

October 26, 2016

House Energy Chairman Urges BLM to Reopen Comments on Colorado Leases

Rep. Rob Bishop (R-UT), chairman of the House Committee on Natural Resources, has urged the Bureau of Land Management (BLM) to revise its draft environmental impact statement (DEIS) for previously issued oil/natural gas leases in the White River National Forest in Colorado to consider new reserve estimates from the U.S. Geological Survey (USGS).

July 7, 2016

Colorado West Slope Producers Lash Out at Feds Over Mancos Shale

Colorado oil/natural gas industry advocates lashed out on Friday at the Obama administration for “completely ignoring” new U.S. Geological Society (USGS) estimates on the extent of potential reserves in the Mancos Shale along the Western Slope. In play is the industry’s long-held contention that leases on federal lands in the area should not be arbitrarily canceled.

June 20, 2016
Mancos Shale Now Estimated to Hold 66 Tcf — Substantially Above 2003 Assessment

Mancos Shale Now Estimated to Hold 66 Tcf — Substantially Above 2003 Assessment

The Piceance Basin’s Mancos Shale in Colorado contains an estimated 66 Tcf of natural gas, sharply higher than a 2003 estimate of 1.6 Tcf, becoming the second-largest assessment of potential continuous gas resources ever conducted by the U.S. Geological Survey (USGS), officials said Wednesday.

June 8, 2016

USGS Finds Evidence Of Injected Wastewater Impacting Stream In WV

Researchers have found traces of oil and gas wastewater in surface waters near an injection well in Fayette County, WV, according to the results of a pair of recent studies conducted by the U.S. Geological Survey, University of Missouri and Duke University.

May 9, 2016
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