Alexei Milkov - Academia.edu (original) (raw)
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Papers by Alexei Milkov
AAPG Bulletin, 2007
... America, 200 Westlake Park Boulevard, Houston, Texas 77079; mccaslnf{at}bp.com; 7 BP America ... more ... America, 200 Westlake Park Boulevard, Houston, Texas 77079; mccaslnf{at}bp.com; 7 BP America EPTG, 501 Westlake Park Boulevard, Houston, Texas ... He has a BS degree in chemical engineering from Michigan Technological University, and a master's degree and a Ph.D. in ...
Organic Geochemistry, May 1, 2005
... generalizations critical for comprehending the role of gas hydrates as a potential agent of g... more ... generalizations critical for comprehending the role of gas hydrates as a potential agent of global change, an energy source and ... Sites with low gas flux (LGF) at the seafloor (stratigraphic and combination gas hydrate accumulations). Gulf of Mexico, 1, 1, 165, 165, 165, 1, −71.3, −71.3
Earth-Science Reviews, 2015
NATO Science Series, 2005
Organic Geochemistry, 2005
... generalizations critical for comprehending the role of gas hydrates as a potential agent of g... more ... generalizations critical for comprehending the role of gas hydrates as a potential agent of global change, an energy source and ... Sites with low gas flux (LGF) at the seafloor (stratigraphic and combination gas hydrate accumulations). Gulf of Mexico, 1, 1, 165, 165, 165, 1, −71.3, −71.3
Organic Geochemistry, 2011
Earth-Science Reviews, 2004
![Research paper thumbnail of Comment on “Gas hydrate growth, methane transport, and chloride enrichment at the southern summit of Hydrate Ridge, Cascadia margin off Oregon” by Torres et al. [Earth Planet. Sci. Lett. 226 (2004) 225–241]](https://attachments.academia-assets.com/44070014/thumbnails/1.jpg)
](Earth and Planetary Science Letters, 2005
It has been suggested that the release of hydrate-bound greenhouse gases (mainly methane) and the... more It has been suggested that the release of hydrate-bound greenhouse gases (mainly methane) and their subsequent oxidation to carbon dioxide may lead to appreciable climate change at global scale. It also may impact the global carbon cycle by affecting the volume and average isotopic composition of carbon reservoirs. Two-dimensional modeling of gas hydrate decomposition in response to bottom water temperature increases and sea level drops in the NW Gulf of Mexico was carried out to test this hypothesis. A sea level fall of 100 m is unlikely to significantly influence the stability of gas hydrate especially when coupled with a decrease in water temperature. A bottom water temperature increase around 4 degrees C may lead to appreciable (around 30 %) thinning of the gas hydrate stability zone (GHSZ). Neither a 100 m sea level drop nor a 4 degrees C bottom water temperature increase can initiate meaningful gas flux from decomposition of gas hydrate. This is because the volume of hydrate-bound gas in the NW Gulf is not so great. The minimum late Pleistocene - Holocene gas flux from a leaky petroleum system in the Gulf is suggested to significantly exceed the maximum rate at which gas might have been released from gas hydrate decomposition attributed to 100 m sea level drops and 4 degrees C bottom water temperature increases. In addition, recrystallization of gas hydrate in the GHSZ, trapping of free gas below the GHSZ, and aerobic and anaerobic oxidation of hydrocarbons in sediments contribute to sequestration of gas released from gas hydrate. These processes keep hydrate-derived gas in sediments and significantly diminish the role of the gas in global change. The results of this study imply that the role of gas hydrate in global change is likely to be overestimated.
Petroleum Systems of Deep-Water Basins: Global and Gulf of Mexico Experience: 21st Annual, 2001
Petroleum Systems of Deep-Water Basins: Global and Gulf of Mexico Experience: 21st Annual, 2001
Abstract Intense faulting in the northern Gulf of Mexico slope province results from complex inte... more Abstract Intense faulting in the northern Gulf of Mexico slope province results from complex interactions between subsurface salt and the deposition of large volumes of sediment. Many of these faults provide pathways for subsurface fluids and gases to migrate from deep ...
Salt Sediment Interactions and Hydrocarbon Prospectivity: Concepts, Applications, and Case Studies for the 21st Century: 24th Annual, 2004
Offshore Technology Conference, 2002
... Gas Venting and Gas Hydrate Stability in the Northwestern Gulf of Mexico Slope: Significance ... more ... Gas Venting and Gas Hydrate Stability in the Northwestern Gulf of Mexico Slope: Significance to Sediment Deformation Roger Sassen, Alexei V. Milkov and Debra A. DeFreitas, Geochemical and ... Sassen, R., Sweet, ST, Milkov, AV, DeFreitas, DA, Salata, GG, McDade, EC, 1999a ...
Marine and Petroleum Geology, 2003
Marine and Petroleum Geology, 2000
AAPG Bulletin, 2007
... America, 200 Westlake Park Boulevard, Houston, Texas 77079; mccaslnf{at}bp.com; 7 BP America ... more ... America, 200 Westlake Park Boulevard, Houston, Texas 77079; mccaslnf{at}bp.com; 7 BP America EPTG, 501 Westlake Park Boulevard, Houston, Texas ... He has a BS degree in chemical engineering from Michigan Technological University, and a master's degree and a Ph.D. in ...
Organic Geochemistry, May 1, 2005
... generalizations critical for comprehending the role of gas hydrates as a potential agent of g... more ... generalizations critical for comprehending the role of gas hydrates as a potential agent of global change, an energy source and ... Sites with low gas flux (LGF) at the seafloor (stratigraphic and combination gas hydrate accumulations). Gulf of Mexico, 1, 1, 165, 165, 165, 1, −71.3, −71.3
Earth-Science Reviews, 2015
NATO Science Series, 2005
Organic Geochemistry, 2005
... generalizations critical for comprehending the role of gas hydrates as a potential agent of g... more ... generalizations critical for comprehending the role of gas hydrates as a potential agent of global change, an energy source and ... Sites with low gas flux (LGF) at the seafloor (stratigraphic and combination gas hydrate accumulations). Gulf of Mexico, 1, 1, 165, 165, 165, 1, −71.3, −71.3
Organic Geochemistry, 2011
Earth-Science Reviews, 2004
Earth and Planetary Science Letters, 2005
It has been suggested that the release of hydrate-bound greenhouse gases (mainly methane) and the... more It has been suggested that the release of hydrate-bound greenhouse gases (mainly methane) and their subsequent oxidation to carbon dioxide may lead to appreciable climate change at global scale. It also may impact the global carbon cycle by affecting the volume and average isotopic composition of carbon reservoirs. Two-dimensional modeling of gas hydrate decomposition in response to bottom water temperature increases and sea level drops in the NW Gulf of Mexico was carried out to test this hypothesis. A sea level fall of 100 m is unlikely to significantly influence the stability of gas hydrate especially when coupled with a decrease in water temperature. A bottom water temperature increase around 4 degrees C may lead to appreciable (around 30 %) thinning of the gas hydrate stability zone (GHSZ). Neither a 100 m sea level drop nor a 4 degrees C bottom water temperature increase can initiate meaningful gas flux from decomposition of gas hydrate. This is because the volume of hydrate-bound gas in the NW Gulf is not so great. The minimum late Pleistocene - Holocene gas flux from a leaky petroleum system in the Gulf is suggested to significantly exceed the maximum rate at which gas might have been released from gas hydrate decomposition attributed to 100 m sea level drops and 4 degrees C bottom water temperature increases. In addition, recrystallization of gas hydrate in the GHSZ, trapping of free gas below the GHSZ, and aerobic and anaerobic oxidation of hydrocarbons in sediments contribute to sequestration of gas released from gas hydrate. These processes keep hydrate-derived gas in sediments and significantly diminish the role of the gas in global change. The results of this study imply that the role of gas hydrate in global change is likely to be overestimated.
Petroleum Systems of Deep-Water Basins: Global and Gulf of Mexico Experience: 21st Annual, 2001
Petroleum Systems of Deep-Water Basins: Global and Gulf of Mexico Experience: 21st Annual, 2001
Abstract Intense faulting in the northern Gulf of Mexico slope province results from complex inte... more Abstract Intense faulting in the northern Gulf of Mexico slope province results from complex interactions between subsurface salt and the deposition of large volumes of sediment. Many of these faults provide pathways for subsurface fluids and gases to migrate from deep ...
Salt Sediment Interactions and Hydrocarbon Prospectivity: Concepts, Applications, and Case Studies for the 21st Century: 24th Annual, 2004
Offshore Technology Conference, 2002
... Gas Venting and Gas Hydrate Stability in the Northwestern Gulf of Mexico Slope: Significance ... more ... Gas Venting and Gas Hydrate Stability in the Northwestern Gulf of Mexico Slope: Significance to Sediment Deformation Roger Sassen, Alexei V. Milkov and Debra A. DeFreitas, Geochemical and ... Sassen, R., Sweet, ST, Milkov, AV, DeFreitas, DA, Salata, GG, McDade, EC, 1999a ...
Marine and Petroleum Geology, 2003
Marine and Petroleum Geology, 2000