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Publisher’s Notes

This work was supported by the U.S. Department of Energy under Contract No. DE-FE0023919

“This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof.”

Volume Reference and DOI

Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition, Austin, TX (University of Texas Institute for Geophysics, TX), https://doi.org/10.2172/1646019

Expedition Report Prospectus

SCIENTIFIC PROSPECTUS | PDF

Flemings, P.B., Boswell, R., Collett, T.S., Cook, A. E., Divins, D., Frye, M., Guerin, G., Goldberg, D.S., Malinverno, A., Meazell, K., Morrison, J., Pettigrew, T., Philips, S.C., Santra, M., Sawyer, D., Shedd, W., Thomas, C., You, K. GOM2: Prospecting, Drilling and Sampling Coarse-Grained Hydrate Reservoirs in the Deepwater Gulf of Mexico. Proceeding of ICGH-9. Denver, Colorado: ICGH, 2017. http://www-udc.ig.utexas.edu/gom2/UT-GOM2-1%20Prospectus.pdf

Expedition Report Chapters

1. EXPEDITION SUMMARY | PDF

Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, 2018. UT-GOM2-1 Hydrate Pressure Coring Expedition Summary. In Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition, Austin, TX (University of Texas Institute for Geophysics, TX). https://doi.org/10.2172/1647223

2. METHODS | PDF

Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, 2018. UT-GOM2-1 Hydrate Pressure Coring Expedition Methods. In Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition: Austin, TX (University of Texas Institute for Geophysics, TX). https://doi.org/10.2172/1647226

3. H002 | PDF

Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, 2018. UT-GOM2-1 Hydrate Pressure Coring Expedition Hole GC 955 H002. In Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition: Austin, TX (University of Texas Institute for Geophysics, TX). https://doi.org/10.2172/1648313

4. H005 | PDF

Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, 2018. UT-GOM2-1 Hydrate Pressure Coring Expedition Hole GC 955 H005. In Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition: Austin, TX (University of Texas Institute for Geophysics, TX). https://doi.org/10.2172/1648318

Expedition Research Results

Data Report: High-Resolution Microscopy Images of Sediments from Green Canyon Block 955, Gulf of Mexico

Heber, R., Cook, A., Sheets, J., Sawyer, 2020. Data Report: High-Resolution Microscopy Images of Sediments from Green Canyon Block 955, Gulf of Mexico. In Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition: Austin, TX (University of Texas Institute for Geophysics, TX). https://doi.org/10.2172/1648312, 6 p.

Data Report: X-Ray Diffraction of Sediments from Green Canyon Block 955, Gulf of Mexico

Heber, R., Cook, A., Sheets, J., and Sawyer, D., 2020. Data Report: X-Ray Diffraction of Sediments from Green Canyon Block 955, Gulf of Mexico. In Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition: Austin, TX (University of Texas Institute for Geophysics, TX). https://doi.org/10.2172/1648308, 27 p.

Data Report: X-Ray Powder Diffraction

Phillips, I.M., 2018. Data Report: X-Ray Powder Diffraction. In Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition: Austin, TX (University of Texas Institute for Geophysics, TX). https://doi.org/10.2172/1648320, 14 p.

Data Report: Prestack Waveform Inversion at GC 955: Trials and sensitivity of PWI to high-resolution seismic data

Fortin, W.F.J., Goldberg, D.S., Küçük, H.M., 2020, Data Report: Prestack Waveform Inversion at GC 955: Trials and sensitivity of PWI to high-resolution seismic data. In Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition: Austin, TX (University of Texas Institute for Geophysics, TX). https://doi.org/10.2172/1647733, 7 p.

Data Report: Pore Water Geochemistry at Green Canyon 955, deepwater Gulf of Mexico

Solomon, E.A., Phillips, S.C., 2021, Data Report: Pore Water Geochemistry at Green Canyon 955, deepwater Gulf of Mexico. In Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, UT-GOM2-1 Hydrate Pressure Coring Expedition Report: Austin, TX (University of Texas Institute for Geophysics, TX). http://dx.doi.org/ 10.2172/1838142, 14 p.

Data Report: UT-GOM2-1 Biostratigraphy Report Green Canyon Block 955, Gulf of Mexico

Purkey Phillips, M., 2020, Data Report: UT-GOM2-1 Biostratigraphy Report Green Canyon Block 955, Gulf of Mexico. In Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition: Austin, TX (University of Texas Institute for Geophysics, TX)., http://dx.doi.org/10.2172/1823039, 15 p.

Data Report: UT-GOM2-1 Lithostratigraphic Core Description Logs at Site GC 955, Holes H002 and H005

Johnson, J.E., Divins, D.L., 2020, Data Report: UT-GOM2-1 Lithostratigraphic Core Description Logs at Site GC 955, Holes H002 and H005. In Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition: Austin, TX (University of Texas Institute for Geophysics, TX)., http://dx.doi.org/10.2172/1823034, 30 p.

Data Report: UT-GOM2-1 Sediment Grain Size Measurements at Site GC 955, Holes H002 and H005

Johnson, J.E., MacLeod, D.R., Divins, D.L., 2020. Data Report: UT-GOM2-1 Sediment Grain Size Measurements at Site GC 955, Holes H002 and H005. In Flemings, P.B., Phillips, S.C, Collett, T., Cook, A., Boswell, R., and the UT-GOM2-1 Expedition Scientists, Proceedings of the UT-GOM2-1 Hydrate Pressure Coring Expedition: Austin, TX (University of Texas Institute for Geophysics, TX). http://dx.doi.org/10.2172/1823030, 87 p.

Data Directory

UT-GOM2-1 Hydrate Pressure Coring Data Directory

Publications

Introduction to Special Issue: Gas Hydrates in Green Canyon Block 955, deep-water Gulf of Mexico: Part I

Boswell, R., T. S. Collett, A. E. Cook, P. B. Flemings, AAPG Bulletin, v. 104, no. 9, p. 1843-1846, 2020.
http://doi.org/10.1306/bltnintro062320

Pressure coring a Gulf of Mexico deep-water turbidite gas hydrate reservoir: Initial results from The University of Texas–Gulf of Mexico 2-1 (UT-GOM2-1) Hydrate Pressure Coring Expedition

Flemings, P. B., S. C. Phillips, R. Boswell, T. S. Collett, A. E. Cook, T. Dong, and M. Frye, et al., AAPG Bulletin, v. 104, no. 9, p. 1847-1876, 2020.
https://doi.org/10.1306/05212019052

Pressure coring operations during The University of Texas-Gulf of Mexico 2-1 (UT-GOM2-1) Hydrate Pressure Coring Expedition in Green Canyon Block 955, northern Gulf of Mexico

Thomas, C., S. C. Phillips, P. B. Flemings, M. Santra, H. Hammon, T. S. Collett, and A. Cook, et al., AAPG Bulletin, v. 104, no. 9, p. 1877–1901, 2020.
https://doi.org/10.1306/02262019036

Salt-driven evolution of a gas hydrate reservoir in Green Canyon, Gulf of Mexico

Portnov, A., A. E. Cook, M. Heidari, D. E. Sawyer, M. Santra, and M. Nikolinakou, AAPG Bulletin, v. 104, no. 9, p. 1903–1919, 2020.
https://doi.org/10.1306/10151818125

Evolution of gas hydrate–bearing deep-water channel-levee system in abyssal Gulf of Mexico: Levee growth and deformation

Santra, M., P. B. Flemings, E. Scott, and P. K. Meazell, AAPG Bulletin, v. 104, no. 9, p. 1921–1944, 2020.
https://doi.org/10.1306/04251918177

Sedimentology and stratigraphy of a deep-water gas hydrate reservoir in the northern Gulf of Mexico

Meazell, K., P. Flemings, M. Santra, and J. E. Johnson, AAPG Bulletin, v. 104, no. 9, p. 1945–1969, 2020.
https://doi.org/10.1306/05212019027

High concentration methane hydrate in a silt reservoir from the deep-water Gulf of Mexico

Phillips, S. C., P. B. Flemings, M. E. Holland, P. J. Schulthiss, W. F. Waite, J. Jan, E. G. Petrou, and H. Hammon, AAPG Bulletin, v. 104, no. 9, p. 1971–1995, 2020.
https://doi.org/10.1306/01062018280

Petrophysical properties of the Green Canyon Block 955 hydrate reservoir inferred from reconstituted sediments: Implications for hydrate formation and production

Fang, Y., P. B. Flemings, H. Daigle, S. C. Phillips, P. K. Meazell, and K. You, AAPG Bulletin, v. 104, no. 9, p. 1997–2028, 2020.
https://doi.org/10.1306/01062019165

Improved sampling technique to collect natural gas from hydrate-bearing pressure cores

Moore, M. T., S.C. Phillips, A. E. Cook, T. H. Darrah, Applied Geochemistry, v. 122, 2020.
https://doi.org/10.1016/j.apgeochem.2020.104773

Primary Deposition and Early Diagenetic Effects on the High Saturation Accumulation of Gas Hydrate in a Silt Dominated Reservoir in the Gulf of Mexico

Johnson, J.E., MacLeod, D.R., Phillips, S.C., Purkey Phillips, M., Divins, D.L., Marine Geology, v. 444, 106718, 2021.
https://doi.org/10.1016/j.margeo.2021.106718

Pore-scale observations of natural hydrate-bearing sediments via pressure core sub-coring and micro-CT scanning

Lei, L., Park, T., Jarvis, K. et al., Scientific Reports, 12, 3471, 2022.
https://doi.org/10.1038/s41598-022-07184-6

Gas hydrates in Green Canyon Block 955, deep-water Gulf of Mexico: Part II, Insights and future challenges

Flemings, P.B., Cook, A.E., Collett, T., Boswell, R., AAPG Bulletin, 106 (5): 937–947, 2022.
https://doi.org/10.1306/bltnintro030922

Integrated geochemical approach to determine the source of methane in gas hydrate from Green Canyon Block 955 in the Gulf of Mexico

Moore, M., Phillips, S.C., Cook, A., Darrah, T. H., AAPG Bulletin, 106 (5), 949–980, 2022.
https://doi.org/10.1306/05272120087

Occurrence of high-saturation gas hydrate in a fault-compartmentalized anticline and the role of seal, Green Canyon, abyssal northern Gulf of Mexico

Santra, S., Flemings, P. B., Heidari, M., You, K., AAPG Bulletin, 106 (5), 981-1003, 2022.
https://doi.org/10.1306/08182120149

Methane migration mechanisms for the Green Canyon Block 955 gas hydrate reservoir, northern Gulf of Mexico

Wei, L., Cook, A., You, K., AAPG Bulletin, 106 (5), 1005-1023, 2022.
https://doi.org/10.1306/06022120134

Thermodynamic insights into the production of methane hydrate reservoirs from depressurization of pressure cores

Phillips, S.C., Flemings, P. B., You, K., Waite, W., AAPG Bulletin, 106 (5), 1025-1049, 2022.
https://doi.org/10.1306/08182120216

Pore structure of sediments from Green Canyon 955 determined by mercury intrusion

Daigle, H., Fang, Y., Phillips, S.C., Flemings, P. B., AAPG Bulletin, 106 (5), 1051-1069, 2022.
https://doi.org/10.1306/02262120123

Permeability of methane hydrate-bearing sandy silts in the deepwater Gulf of Mexico (Green Canyon Block 955)

Fang, Y., Flemings, P. B., Daigle, H., Phillips, S.C., O’Connell, J., AAPG Bulletin, 106 (5), 1071-1100, 2022.
https://doi.org/10.1306/08102121001

Compression behavior of hydrate-bearing sediments

Fang, Y., Flemings, P. B., Germaine, J.T, Daigle, H., Phillips, S.C., O’Connell, J., AAPG Bulletin, 106 (5), 1101-1126, 2022.
https://doi.org/10.1306/01132221002

Using X-ray Computed Tomography (XCT) to Estimate Hydrate Saturation in Sediment Cores from Green Canyon 955, northern Gulf of Mexico

Oti, E., Cook, A., Phillips, S.C., Holland, M. E., AAPG Bulletin, 106 (5), 1127-1142, 2022.
https://doi.org/10.1306/05272120051

Comprehensive pressure core analysis for hydrate-bearing sediments from Gulf of Mexico Green Canyon Block 955, including assessments of geomechanical viscous behavior and nuclear magnetic resonance permeability

Yoneda, J., Jin, Y., Muraoka, M., Oshima, M., Suzuki, K., Waite, W., Flemings, P. B., AAPG Bulletin, 106 (5), 1143-1177, 2022.
https://doi.org/10.1306/04272120204