William H. Orem, Ph.D. (Former Employee)
Science and Products
Filter Total Items: 130
Endocrine disrupting activities of surface water associated with a West Virginia oil and gas industry wastewater disposal site Endocrine disrupting activities of surface water associated with a West Virginia oil and gas industry wastewater disposal site
Currently, >95% of end disposal of hydraulic fracturing wastewater from unconventional oil and gas operations in the US occurs via injection wells. Key data gaps exist in understanding the potential impact of underground injection on surface water quality and environmental health. The goal of this study was to assess endocrine disrupting activity in surface water at a West Virginia...
Authors
Christopher D. Kassotis, Luke R. Iwanowicz, Denise Akob, Isabelle Cozzarelli, Adam Mumford, William Orem, Susan C. Nagel
Hydrogeochemistry and coal-associated bacterial populations from a methanogenic coal bed Hydrogeochemistry and coal-associated bacterial populations from a methanogenic coal bed
Biogenic coalbed methane (CBM), a microbially-generated source of natural gas trapped within coal beds, is an important energy resource in many countries. Specific bacterial populations and enzymes involved in coal degradation, the potential rate-limiting step of CBM formation, are relatively unknown. The U.S. Geological Survey (USGS) has established a field site, (Birney test site), in...
Authors
Elliott Barnhart, Edwin Weeks, Elizabeth Jones, Daniel Ritter, Jennifer McIntosh, Arthur Clark, Leslie Ruppert, Alfred Cunningham, David Vinson, William Orem, Matthew Fields
Geochemistry of formation waters from the Wolfcamp and “Cline” shales: Insights into brine origin, reservoir connectivity, and fluid flow in the Permian Basin, USA Geochemistry of formation waters from the Wolfcamp and “Cline” shales: Insights into brine origin, reservoir connectivity, and fluid flow in the Permian Basin, USA
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 previously published data from conventional reservoirs with...
Authors
Mark Engle, Francisco Reyes, Matthew Varonka, William Orem, Ma Lin, Adam Ianno, Tiffani Westphal, Pei Xu, Kenneth C. Carroll
Enhanced microbial coalbed methane generation: A review of research, commercial activity, and remaining challenges Enhanced microbial coalbed methane generation: A review of research, commercial activity, and remaining challenges
Coalbed methane (CBM) makes up a significant portion of the world’s natural gas resources. The discovery that approximately 20% of natural gas is microbial in origin has led to interest in microbially enhanced CBM (MECoM), which involves stimulating microorganisms to produce additional CBM from existing production wells. This paper reviews current laboratory and field research on...
Authors
Daniel Ritter, David Vinson, Elliott Barnhart, Denise Akob, Matthew Fields, Al Cunningham, William Orem, Jennifer McIntosh
Response to "Comment on and Reinterpretation of Gabriel et al. (2014) "Fish Mercury and Surface Water Sulfate Relationships in the Everglades Protection Area"" Response to "Comment on and Reinterpretation of Gabriel et al. (2014) "Fish Mercury and Surface Water Sulfate Relationships in the Everglades Protection Area""
The purpose of this forum is to respond to a rebuttal submitted by Julian et al., Environ Manag 55:1–5, 2015 where they outlined their overall disagreement with the data preparation, methods, and interpretation of results presented in Gabriel et al. (Environ Manag 53:583–593, 2014). Here, we provide background information on the research premise presented in Gabriel et al. (Environ Manag...
Authors
Mark Gabriel, Don Axelrad, William Orem, Todd Osborne
Structural degradation of Thar lignite using MW1 fungal isolate: optimization studies Structural degradation of Thar lignite using MW1 fungal isolate: optimization studies
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...
Authors
Rizwan Haider, Muhammad Ghauri, Elizabeth J. Jones, William Orem, John R. SanFilipo
The continuing medical mystery of Balkan Endemic Nephropathy The continuing medical mystery of Balkan Endemic Nephropathy
Balkan Endemic Nephropathy (BEN) is a disease of subtle onset and insidious progression that typically occurs between the 4th and 6th decade in long‐resident individuals in highly specific geographic locations of the Balkan region and affects 1 – 5% of the population. Though it does not follow typical Mendelian genetics, there is a familial pattern of occurrence. Although residents may...
Authors
Lynn Crosby, Calin Tatu, William Orem, Nikola Pavlovic MD PhD
Atmospheric particulate matter in proximity to mountaintop coal mines: Sources and potential environmental and human health impacts Atmospheric particulate matter in proximity to mountaintop coal mines: Sources and potential environmental and human health impacts
Mountaintop removal mining (MTM) is a widely used approach to surface coal mining in the US Appalachian region whereby large volumes of coal overburden are excavated using explosives, removed, and transferred to nearby drainages below MTM operations. To investigate the air quality impact of MTM, the geochemical characteristics of atmospheric particulate matter (PM) from five surface...
Authors
Laura Kurth, Allan Kolker, Mark Engle, Nicholas J. Geboy, Michael Hendryx, William Orem, Michael McCawley, Lynn Crosby, Calin Tatu, Matthew Varonka, Christina DeVera
Relationships between water and gas chemistry in mature coalbed methane reservoirs of the Black Warrior Basin Relationships between water and gas chemistry in mature coalbed methane reservoirs of the Black Warrior Basin
Water and gas chemistry in coalbed methane reservoirs of the Black Warrior Basin reflects a complex interplay among burial processes, basin hydrodynamics, thermogenesis, and late-stage microbial methanogenesis. These factors are all important considerations for developing production and water management strategies. Produced water ranges from nearly potable sodium-bicarbonate water to...
Authors
Jack Pashin, Marcella McIntyre-Redden, Steven Mann, David Kopaska-Merkel, Matthew Varonka, William Orem
Organic substances in produced and formation water from unconventional natural gas extraction in coal and shale Organic substances in produced and formation water from unconventional natural gas extraction in coal and shale
Organic substances in produced and formation water from coalbed methane (CBM) and gas shale plays from across the USA were examined in this study. Disposal of produced waters from gas extraction in coal and shale is an important environmental issue because of the large volumes of water involved and the variable quality of this water. Organic substances in produced water may be...
Authors
William Orem, Calin Tatu, Matthew Varonka, Harry Lerch, Anne Bates, Mark Engle, Lynn Crosby, Jennifer McIntosh
The effect of coal bed dewatering and partial oxidation on biogenic methane potential The effect of coal bed dewatering and partial oxidation on biogenic methane potential
Coal formation dewatering at a site in the Powder River Basin was associated with enhanced potential for secondary biogenic methane determined by using a bioassay. We hypothesized that dewatering can stimulate microbial activity and increase the bioavailability of coal. We analyzed one dewatered and two water-saturated coals to examine possible ways in which dewatering influences coal...
Authors
Elizabeth Jones, Steve Harris, Elliott Barnhart, William Orem, Arthur Clark, M.D. Corum, Julie Kirshtein, Matthew Varonka, Mary Voytek
Microbial production of natural gas from coal and organic-rich shale Microbial production of natural gas from coal and organic-rich shale
Natural gas is an important component of the energy mix in the United States, producing greater energy yield per unit weight and less pollution compared to coal and oil. Most of the world’s natural gas resource is thermogenic, produced in the geologic environment over time by high temperature and pressure within deposits of oil, coal, and shale. About 20 percent of the natural gas...
Authors
William Orem
Science and Products
Filter Total Items: 130
Endocrine disrupting activities of surface water associated with a West Virginia oil and gas industry wastewater disposal site Endocrine disrupting activities of surface water associated with a West Virginia oil and gas industry wastewater disposal site
Currently, >95% of end disposal of hydraulic fracturing wastewater from unconventional oil and gas operations in the US occurs via injection wells. Key data gaps exist in understanding the potential impact of underground injection on surface water quality and environmental health. The goal of this study was to assess endocrine disrupting activity in surface water at a West Virginia...
Authors
Christopher D. Kassotis, Luke R. Iwanowicz, Denise Akob, Isabelle Cozzarelli, Adam Mumford, William Orem, Susan C. Nagel
Hydrogeochemistry and coal-associated bacterial populations from a methanogenic coal bed Hydrogeochemistry and coal-associated bacterial populations from a methanogenic coal bed
Biogenic coalbed methane (CBM), a microbially-generated source of natural gas trapped within coal beds, is an important energy resource in many countries. Specific bacterial populations and enzymes involved in coal degradation, the potential rate-limiting step of CBM formation, are relatively unknown. The U.S. Geological Survey (USGS) has established a field site, (Birney test site), in...
Authors
Elliott Barnhart, Edwin Weeks, Elizabeth Jones, Daniel Ritter, Jennifer McIntosh, Arthur Clark, Leslie Ruppert, Alfred Cunningham, David Vinson, William Orem, Matthew Fields
Geochemistry of formation waters from the Wolfcamp and “Cline” shales: Insights into brine origin, reservoir connectivity, and fluid flow in the Permian Basin, USA Geochemistry of formation waters from the Wolfcamp and “Cline” shales: Insights into brine origin, reservoir connectivity, and fluid flow in the Permian Basin, USA
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 previously published data from conventional reservoirs with...
Authors
Mark Engle, Francisco Reyes, Matthew Varonka, William Orem, Ma Lin, Adam Ianno, Tiffani Westphal, Pei Xu, Kenneth C. Carroll
Enhanced microbial coalbed methane generation: A review of research, commercial activity, and remaining challenges Enhanced microbial coalbed methane generation: A review of research, commercial activity, and remaining challenges
Coalbed methane (CBM) makes up a significant portion of the world’s natural gas resources. The discovery that approximately 20% of natural gas is microbial in origin has led to interest in microbially enhanced CBM (MECoM), which involves stimulating microorganisms to produce additional CBM from existing production wells. This paper reviews current laboratory and field research on...
Authors
Daniel Ritter, David Vinson, Elliott Barnhart, Denise Akob, Matthew Fields, Al Cunningham, William Orem, Jennifer McIntosh
Response to "Comment on and Reinterpretation of Gabriel et al. (2014) "Fish Mercury and Surface Water Sulfate Relationships in the Everglades Protection Area"" Response to "Comment on and Reinterpretation of Gabriel et al. (2014) "Fish Mercury and Surface Water Sulfate Relationships in the Everglades Protection Area""
The purpose of this forum is to respond to a rebuttal submitted by Julian et al., Environ Manag 55:1–5, 2015 where they outlined their overall disagreement with the data preparation, methods, and interpretation of results presented in Gabriel et al. (Environ Manag 53:583–593, 2014). Here, we provide background information on the research premise presented in Gabriel et al. (Environ Manag...
Authors
Mark Gabriel, Don Axelrad, William Orem, Todd Osborne
Structural degradation of Thar lignite using MW1 fungal isolate: optimization studies Structural degradation of Thar lignite using MW1 fungal isolate: optimization studies
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...
Authors
Rizwan Haider, Muhammad Ghauri, Elizabeth J. Jones, William Orem, John R. SanFilipo
The continuing medical mystery of Balkan Endemic Nephropathy The continuing medical mystery of Balkan Endemic Nephropathy
Balkan Endemic Nephropathy (BEN) is a disease of subtle onset and insidious progression that typically occurs between the 4th and 6th decade in long‐resident individuals in highly specific geographic locations of the Balkan region and affects 1 – 5% of the population. Though it does not follow typical Mendelian genetics, there is a familial pattern of occurrence. Although residents may...
Authors
Lynn Crosby, Calin Tatu, William Orem, Nikola Pavlovic MD PhD
Atmospheric particulate matter in proximity to mountaintop coal mines: Sources and potential environmental and human health impacts Atmospheric particulate matter in proximity to mountaintop coal mines: Sources and potential environmental and human health impacts
Mountaintop removal mining (MTM) is a widely used approach to surface coal mining in the US Appalachian region whereby large volumes of coal overburden are excavated using explosives, removed, and transferred to nearby drainages below MTM operations. To investigate the air quality impact of MTM, the geochemical characteristics of atmospheric particulate matter (PM) from five surface...
Authors
Laura Kurth, Allan Kolker, Mark Engle, Nicholas J. Geboy, Michael Hendryx, William Orem, Michael McCawley, Lynn Crosby, Calin Tatu, Matthew Varonka, Christina DeVera
Relationships between water and gas chemistry in mature coalbed methane reservoirs of the Black Warrior Basin Relationships between water and gas chemistry in mature coalbed methane reservoirs of the Black Warrior Basin
Water and gas chemistry in coalbed methane reservoirs of the Black Warrior Basin reflects a complex interplay among burial processes, basin hydrodynamics, thermogenesis, and late-stage microbial methanogenesis. These factors are all important considerations for developing production and water management strategies. Produced water ranges from nearly potable sodium-bicarbonate water to...
Authors
Jack Pashin, Marcella McIntyre-Redden, Steven Mann, David Kopaska-Merkel, Matthew Varonka, William Orem
Organic substances in produced and formation water from unconventional natural gas extraction in coal and shale Organic substances in produced and formation water from unconventional natural gas extraction in coal and shale
Organic substances in produced and formation water from coalbed methane (CBM) and gas shale plays from across the USA were examined in this study. Disposal of produced waters from gas extraction in coal and shale is an important environmental issue because of the large volumes of water involved and the variable quality of this water. Organic substances in produced water may be...
Authors
William Orem, Calin Tatu, Matthew Varonka, Harry Lerch, Anne Bates, Mark Engle, Lynn Crosby, Jennifer McIntosh
The effect of coal bed dewatering and partial oxidation on biogenic methane potential The effect of coal bed dewatering and partial oxidation on biogenic methane potential
Coal formation dewatering at a site in the Powder River Basin was associated with enhanced potential for secondary biogenic methane determined by using a bioassay. We hypothesized that dewatering can stimulate microbial activity and increase the bioavailability of coal. We analyzed one dewatered and two water-saturated coals to examine possible ways in which dewatering influences coal...
Authors
Elizabeth Jones, Steve Harris, Elliott Barnhart, William Orem, Arthur Clark, M.D. Corum, Julie Kirshtein, Matthew Varonka, Mary Voytek
Microbial production of natural gas from coal and organic-rich shale Microbial production of natural gas from coal and organic-rich shale
Natural gas is an important component of the energy mix in the United States, producing greater energy yield per unit weight and less pollution compared to coal and oil. Most of the world’s natural gas resource is thermogenic, produced in the geologic environment over time by high temperature and pressure within deposits of oil, coal, and shale. About 20 percent of the natural gas...
Authors
William Orem