The Role of Induced Un-propped (IU) Fractures in Unconventional Oil and Gas Wells

2015 ◽  
Author(s):  
M. M. Sharma ◽  
R. Manchanda
Keyword(s):  
Oil And Gas ◽  
Gas Wells ◽  
Unconventional Oil ◽  
Oil And Gas Wells ◽  
Unconventional Oil And Gas

A community-based evaluation of proximity to unconventional oil and gas wells, drinking water contaminants, and health symptoms in Ohio

2018 ◽  
Vol 167 ◽  
pp. 550-557 ◽  
Author(s):  
Elise G. Elliott ◽  
Xiaomei Ma ◽  
Brian P. Leaderer ◽  
Lisa A. McKay ◽  
Courtney J. Pedersen ◽  
...  
Keyword(s):  
Drinking Water ◽  
Oil And Gas ◽  
Gas Wells ◽  
Community Based ◽  
Water Contaminants ◽  
Health Symptoms ◽  
Unconventional Oil ◽  
Oil And Gas Wells ◽  
Unconventional Oil And Gas

MICROBIOMES OF UNCONVENTIONAL OIL AND GAS WELLS IN WYOMING

2018 ◽  
Author(s):  
Karen Wawrousek ◽  
◽  
Donna Drogos ◽  
Charles Nye ◽  
Scott Quillinan
Keyword(s):  
Oil And Gas ◽  
Gas Wells ◽  
Unconventional Oil ◽  
Oil And Gas Wells ◽  
Unconventional Oil And Gas

Well Performance Modeling in Unconventional Oil and Gas Wells

2018 ◽  
Author(s):  
Adeoluwa Oyewole ◽  
Mohan Kelkar ◽  
Eduardo Pereyra ◽  
Cem Sarica
Keyword(s):  
Performance Modeling ◽  
Oil And Gas ◽  
Well Performance ◽  
Gas Wells ◽  
Unconventional Oil ◽  
Oil And Gas Wells ◽  
Unconventional Oil And Gas

scholarly journals Geochemical data for produced waters from conventional and unconventional oil and gas wells: Results from Colorado, USA

2019 ◽  
Vol 98 ◽  
pp. 03002
Author(s):  
Yousif Kharaka ◽  
Kathleen Gans ◽  
James Thordsen ◽  
Madalyn Blondes ◽  
Mark Engle
Keyword(s):  
Oil And Gas ◽  
Produced Water ◽  
Geochemical Data ◽  
Chemical Compositions ◽  
Gas Wells ◽  
Horizontal Drilling ◽  
Unconventional Oil ◽  
Oil And Gas Wells ◽  
Unconventional Oil And Gas ◽  
Produced Waters

Geochemical data for more than 120,000 oil and natural gas wells from the major sedimentary basins in the USA are listed in the USGS National Produced Waters Geochemical Database [1]. In this summary, we report and discuss the geochemical data on produced waters obtained from published literature and the Colorado Oil and Gas Conservation Commission (COGCC) from close to 4,000 new oil and gas wells in Colorado. We emphasize geochemical data of produced waters from shale and tight reservoirs that have increased dramatically in Colorado since 2011, due to deep horizontal drilling, downhole telemetry and massive multi-stage hydraulic fracturing. These operations require large volumes of fresh water, but contamination of groundwater is the major environmental concern. Also, induced seismicity caused by water injection has been reported from several areas in Colorado, including Trinidad, Raton basin, and Greely, Denver basin. Produced water salinities in Colorado obtained from unconventional oil and gas wells are relatively low, generally less than 30,000 mg/L TDS. Produced water salinities from conventional oil and gas wells overlap those from unconventional wells, but many wells have higher salinities (up to 90,000 mg/L TDS) and different chemical compositions.

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