2014
DOI: 10.1016/j.envpol.2014.08.016
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Surface water geochemical and isotopic variations in an area of accelerating Marcellus Shale gas development

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Cited by 15 publications
(6 citation statements)
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“…Mine drainage is likely to release toxic metals/metalloids into shallow groundwater around coal mines . Previous studies have identified coal-mine drainage by relatively high SO 4 and low Br and Ba concentrations as compared to saline fluids associated with oil and gas production. ,, Conventional oil and gas development may have contaminated shallow groundwater mainly due to surface spills (e.g., hydrocarbons, produced waters) and upward migration of saline fluids along improperly cased/cemented wells and unplugged or improperly plugged abandoned wells . Differentiating between produced waters from conventional and unconventional hydrocarbon reservoirs is challenging, although ratios of major ions and isotopic compositions of Sr, B, Li, Ba, and Ra can provide a unique fingerprint for each reservoir. ,,,,,,, However, the distinction between produced waters from conventional and unconventional reservoirs is not always possible due to geochemical overlaps. ,, To our knowledge, no pre-development baseline investigations have documented legacy groundwater contamination from previous hydrocarbon operations in shale gas development areas.…”
Section: Baseline Studies Of Shallow Groundwater Geochemistry In Shal...mentioning
confidence: 99%
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“…Mine drainage is likely to release toxic metals/metalloids into shallow groundwater around coal mines . Previous studies have identified coal-mine drainage by relatively high SO 4 and low Br and Ba concentrations as compared to saline fluids associated with oil and gas production. ,, Conventional oil and gas development may have contaminated shallow groundwater mainly due to surface spills (e.g., hydrocarbons, produced waters) and upward migration of saline fluids along improperly cased/cemented wells and unplugged or improperly plugged abandoned wells . Differentiating between produced waters from conventional and unconventional hydrocarbon reservoirs is challenging, although ratios of major ions and isotopic compositions of Sr, B, Li, Ba, and Ra can provide a unique fingerprint for each reservoir. ,,,,,,, However, the distinction between produced waters from conventional and unconventional reservoirs is not always possible due to geochemical overlaps. ,, To our knowledge, no pre-development baseline investigations have documented legacy groundwater contamination from previous hydrocarbon operations in shale gas development areas.…”
Section: Baseline Studies Of Shallow Groundwater Geochemistry In Shal...mentioning
confidence: 99%
“…95 Previous studies have identified coal-mine drainage by relatively high SO 4 and low Br and Ba concentrations as compared to saline fluids associated with oil and gas production. 3,130,131 Conventional oil and gas development may have contaminated shallow groundwater mainly due to surface spills (e.g., hydrocarbons, produced waters) and upward migration of saline fluids along improperly cased/ cemented wells and unplugged or improperly plugged abandoned wells. 132 Differentiating between produced waters from conventional and unconventional hydrocarbon reservoirs is challenging, although ratios of major ions and isotopic compositions of Sr, B, Li, Ba, and Ra can provide a unique fingerprint for each reservoir.…”
Section: Geological and Geochemical Characteristics Of Shale Reservoirsmentioning
confidence: 99%
“…At present, hydraulic fracturing is a common method in increasing the production of CBM [2]. However, hydraulic fracturing has caused many problems, such as the environmental pollution, waste of water resources and clay swelling in the gas reservoir [3][4][5][6][7][8]. Liquid nitrogen (LN 2 ) fracturing, as a waterless fracturing technology, can overcome the above problems.…”
Section: Introductionmentioning
confidence: 99%
“…They found no correlation between saline intrusions in groundwater and the location of shale gas wells, suggesting that geologic conditions in the study area supported the natural migration of brines (Warner et al, 2012). A geochemical and isotopic study in the Monongahela River Basin also found no correlation between the intensity of shale gas drilling and water quality parameter values, indicating that at the very least, there was no chronic surface water contamination occurring in the area (Pelak & Sharma, 2014).…”
Section: -Influences Of Shale Gas Development On Water Qualitymentioning
confidence: 85%
“…Most of these studies have been published as federal data reports or in specialized geochemistry journals and are not easily understood by the general public or regulatory officials, as they rely on complex geochemical and isotopic analysis and elaborate statistical models. Additionally, the methods often involve expensive sampling and laboratory testing procedures (Entrekin et al, 2011;Olmstead et al, 2013;Osborn et al, 2011;Pelak & Sharma, 2014;Warner et al, 2012;Warner et al, 2013, Wilson et al, 2014. These prohibitive costs prevent a large-scale evaluation of water quality in Marcellus Shale gas development regions.…”
Section: Acknowledgementsmentioning
confidence: 99%