Scientists aboard the D/S Chikyu prepare to collect a research core drilled from marine sediments in the Indian Ocean. This research is part of the 2015 Indian National Gas Hydrate Program Expedition 02 (NGHP-02), which is a follow-up to the 2006 NGHP-01.
Timothy S Collett
Dr. Collett provides science leadership and management oversight within the Energy Resources Program (ERP) funded tasks in the USGS Gas Hydrate Project, which include the (1) North Slope of Alaska Gas Hydrate Energy Production Research Task, (2) Gas Hydrate Energy Assessment Task, (3) International Gas Hydrate Research and Science Advisor Task, and the (4) Gulf of Mexico Gas Hydrate Task.
Dr. Collett has been a research geologist in the U.S. Geological Survey (USGS) since 1983. Tim received a B.S. in geology from Michigan State University, a M.S. in geology from the University of Alaska, and a Ph.D. in geology from the Colorado School of Mines. Tim is the Project Chief of the Energy Resources Program funded gas hydrate research efforts in the USGS. He has received the Department of the Interior Meritorious Service Award and the Golomb-Chilinger Medal from the Russian Academy of Natural Sciences and the Natural Resources of Canada Public Service Award. Tim has been the Chief and Co-Chief Scientist of numerous domestic and international gas hydrate scientific and industrial drilling expeditions and programs. He has been the Co-Chief Scientists and Operational Manager for the India NGHP Expedition 01 and 02 gas hydrate drilling and testing projects. Tim was a Co-Chief Scientist of the international cooperative gas hydrate research project that was responsible for drilling dedicated gas hydrate production research wells in the Mackenzie Delta of Canada under the Mallik 1998 and 2002 efforts. Tim was the logging scientist on the Gulf of Mexico JIP Gas Hydrate Research Expedition in 2005 and is the Co-Chief Scientist of the Integrated Ocean Drilling Program (IODP) Expedition 311, and the Gulf of Mexico JIP Leg II drilling project in 2009. He sailed as a science advisor on the Korean UBGH2 Expedition in 2010 and the 2017 University of Texas Gulf of Mexico 2-1 Hydrate Pressure Coring Expedition. Tim was also the Principal Investigator responsible for organizing and conducting the 1995 and 2008 USGS National Oil and Gas Assessment of natural gas hydrates. Tim is an Adjunct Professor in the Department of Geophysics at the Colorado School of Mines. Tim’s current research efforts in the USGS deal mostly with domestic and international gas hydrate energy resource characterization studies. His ongoing gas hydrate assessment activities in Alaska are focused on assessing the energy resource potential of gas hydrates on the North Slope. Tim’s international gas hydrate activities include cooperative projects with research partners in India, Korea, Japan, China, and Canada. Tim also continues to represent the USGS gas hydrate interest in the Gulf of Mexico through a U.S. Department of Energy cooperative. Tim has published more than 250 research papers along with 10 books and treatises on gas hydrates and other unconventional resources.
Professional Experience
U.S. Geological Survey (USGS) Research Geologist 1983-present
Education and Certifications
B.S. in geology from Michigan State University
M.S. in geology from the University of Alaska
Ph.D. in geology from the Colorado School of Mines
Science and Products
Long-term distributed temperature sensing monitoring for near-wellbore gas migration and gas hydrate formation
Terrebonne Basin northern Gulf of Mexico, 30 July-28 September 2023
3-D geological modeling for numerical flow simulation studies of gas hydrate reservoirs at the Kuparuk State 7-11-12 Pad in the Prudhoe Bay Unit on the Alaska North Slope
Source, migration pathways, and atmospheric release of geologic methane associated with the complex permafrost regimes of the outer Mackenzie River Delta, Arctic, Canada
Characterization of the structural–stratigraphic and reservoir controls on the occurrence of gas hydrates in the Eileen Gas Hydrate Trend, Alaska North Slope
Machine learning application to assess occurrence and saturations of methane hydrate in marine deposits offshore India
Characterization of a complex sand-rich gas hydrate reservoir system in the Indian marine continental margin with downhole log and seismic data
Science mission requirements for a globally ranging, riserless drilling vessel for U.S. Scientific Ocean Drilling
Geological reservoir characterization of a gas hydrate prospect associated with the Hydrate-01 Stratigraphic Test Well, Alaska North Slope
Virtual special issue of recent advances on gas hydrates scientific drilling in Alaska
Review of past gas Production attempts from subsurface gas hydrate deposits and necessity of long-term production testing
Scientific results of the Hydrate-01 Stratigraphic Test Well Program, Western Prudhoe Bay Unit, Alaska North Slope
Gas Hydrate Energy Research – 2024 Update
Results of the India National Gas Hydrate Program Expedition 02
Assessment of Gas Hydrate Resources in the North Slope of Alaska, 2018
Alaska North Slope 2018 Hydrate 01 Stratigraphic Test Well
Gas Hydrates
U.S. Geological Survey Gas Hydrates Project
Gas Hydrates- Climate and Hydrate Interactions
Gas Hydrates- Energy
Gas Hydrates - Primer
Marine Methane Hydrate Field Research Plan
Successful Test of Gas Hydrate Production Test Well Ignik Sikumi on Alaska's North Slope
USGS National and Global Oil and Gas Assessment Project-Northern Alaska Province, Gas Hydrate Assessment Unit Boundaries and Assessment Input Data Forms
Pressure Core Characterization Tool Measurements of Compressibility, Permeability, and Shear Strength of Fine-Grained Sediment Collected from Area C, Krishna-Godavari Basin, during India's National Gas Hydrate Program Expedition NGHP-02
Two-dimensional micromodel study of pore-throat clogging by pure fine-grained sediments and natural sediments from the 2015 National Gas Hydrate Program Expedition 2 (NGHP-02), offshore India
Physical Properties of Sediment Collected during India's National Gas Hydrate Program NGHP-02 Expedition in the Krishna-Godavari Basin Offshore Eastern India, 2015
Dependence of Sedimentation Behavior on Pore-Fluid Chemistry for Sediment Collected From Area B, Krishna-Godavari Basin During India's National Gas Hydrate Program, NGHP-02
Map showing the depth to the base of the deepest ice-bearing permafrost as determined from well logs, North Slope, Alaska
Regional correlation sections across the north slope of Alaska
Scientists aboard the D/S Chikyu prepare to collect a research core drilled from marine sediments in the Indian Ocean. This research is part of the 2015 Indian National Gas Hydrate Program Expedition 02 (NGHP-02), which is a follow-up to the 2006 NGHP-01.
A drill rig at the Mount Elbert test site in Alaska's North Slope, just west of Prudhoe Bay. USGS joined BP Exploration (Alaska) and the U.S. Department of Energy to drill a test well to study natural gas production from gas hydrate deposits. Read more about the Mt.
A drill rig at the Mount Elbert test site in Alaska's North Slope, just west of Prudhoe Bay. USGS joined BP Exploration (Alaska) and the U.S. Department of Energy to drill a test well to study natural gas production from gas hydrate deposits. Read more about the Mt.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows an inukshuk, a stone cairn used by indigenous peoples in northern latitudes, particularly in places like northern Canada.
This image shows an inukshuk, a stone cairn used by indigenous peoples in northern latitudes, particularly in places like northern Canada.
A drill rig at the Mallik test site in Canada's Mckenzie Delta. USGS joined the Geological Survey of Canada, JAPEX, and the Japanese National Oil Company to drill test wells for natural gas production from gas hydrate deposits.
A drill rig at the Mallik test site in Canada's Mckenzie Delta. USGS joined the Geological Survey of Canada, JAPEX, and the Japanese National Oil Company to drill test wells for natural gas production from gas hydrate deposits.
Science and Products
Long-term distributed temperature sensing monitoring for near-wellbore gas migration and gas hydrate formation
Terrebonne Basin northern Gulf of Mexico, 30 July-28 September 2023
3-D geological modeling for numerical flow simulation studies of gas hydrate reservoirs at the Kuparuk State 7-11-12 Pad in the Prudhoe Bay Unit on the Alaska North Slope
Source, migration pathways, and atmospheric release of geologic methane associated with the complex permafrost regimes of the outer Mackenzie River Delta, Arctic, Canada
Characterization of the structural–stratigraphic and reservoir controls on the occurrence of gas hydrates in the Eileen Gas Hydrate Trend, Alaska North Slope
Machine learning application to assess occurrence and saturations of methane hydrate in marine deposits offshore India
Characterization of a complex sand-rich gas hydrate reservoir system in the Indian marine continental margin with downhole log and seismic data
Science mission requirements for a globally ranging, riserless drilling vessel for U.S. Scientific Ocean Drilling
Geological reservoir characterization of a gas hydrate prospect associated with the Hydrate-01 Stratigraphic Test Well, Alaska North Slope
Virtual special issue of recent advances on gas hydrates scientific drilling in Alaska
Review of past gas Production attempts from subsurface gas hydrate deposits and necessity of long-term production testing
Scientific results of the Hydrate-01 Stratigraphic Test Well Program, Western Prudhoe Bay Unit, Alaska North Slope
Gas Hydrate Energy Research – 2024 Update
Results of the India National Gas Hydrate Program Expedition 02
Assessment of Gas Hydrate Resources in the North Slope of Alaska, 2018
Alaska North Slope 2018 Hydrate 01 Stratigraphic Test Well
Gas Hydrates
U.S. Geological Survey Gas Hydrates Project
Gas Hydrates- Climate and Hydrate Interactions
Gas Hydrates- Energy
Gas Hydrates - Primer
Marine Methane Hydrate Field Research Plan
Successful Test of Gas Hydrate Production Test Well Ignik Sikumi on Alaska's North Slope
USGS National and Global Oil and Gas Assessment Project-Northern Alaska Province, Gas Hydrate Assessment Unit Boundaries and Assessment Input Data Forms
Pressure Core Characterization Tool Measurements of Compressibility, Permeability, and Shear Strength of Fine-Grained Sediment Collected from Area C, Krishna-Godavari Basin, during India's National Gas Hydrate Program Expedition NGHP-02
Two-dimensional micromodel study of pore-throat clogging by pure fine-grained sediments and natural sediments from the 2015 National Gas Hydrate Program Expedition 2 (NGHP-02), offshore India
Physical Properties of Sediment Collected during India's National Gas Hydrate Program NGHP-02 Expedition in the Krishna-Godavari Basin Offshore Eastern India, 2015
Dependence of Sedimentation Behavior on Pore-Fluid Chemistry for Sediment Collected From Area B, Krishna-Godavari Basin During India's National Gas Hydrate Program, NGHP-02
Map showing the depth to the base of the deepest ice-bearing permafrost as determined from well logs, North Slope, Alaska
Regional correlation sections across the north slope of Alaska
Scientists aboard the D/S Chikyu prepare to collect a research core drilled from marine sediments in the Indian Ocean. This research is part of the 2015 Indian National Gas Hydrate Program Expedition 02 (NGHP-02), which is a follow-up to the 2006 NGHP-01.
Scientists aboard the D/S Chikyu prepare to collect a research core drilled from marine sediments in the Indian Ocean. This research is part of the 2015 Indian National Gas Hydrate Program Expedition 02 (NGHP-02), which is a follow-up to the 2006 NGHP-01.
A drill rig at the Mount Elbert test site in Alaska's North Slope, just west of Prudhoe Bay. USGS joined BP Exploration (Alaska) and the U.S. Department of Energy to drill a test well to study natural gas production from gas hydrate deposits. Read more about the Mt.
A drill rig at the Mount Elbert test site in Alaska's North Slope, just west of Prudhoe Bay. USGS joined BP Exploration (Alaska) and the U.S. Department of Energy to drill a test well to study natural gas production from gas hydrate deposits. Read more about the Mt.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows gas hydrates (the white material) in marine sediments from a test well drilled in the Indian Ocean in 2006 during the Indian National Gas Hydrate Program (NGHP) Expedition 01.
This image shows an inukshuk, a stone cairn used by indigenous peoples in northern latitudes, particularly in places like northern Canada.
This image shows an inukshuk, a stone cairn used by indigenous peoples in northern latitudes, particularly in places like northern Canada.
A drill rig at the Mallik test site in Canada's Mckenzie Delta. USGS joined the Geological Survey of Canada, JAPEX, and the Japanese National Oil Company to drill test wells for natural gas production from gas hydrate deposits.
A drill rig at the Mallik test site in Canada's Mckenzie Delta. USGS joined the Geological Survey of Canada, JAPEX, and the Japanese National Oil Company to drill test wells for natural gas production from gas hydrate deposits.