METHANE HYDRATE PRODUCTION FROM ALASKAN PERMAFROST

• Main Authors: Williams, Thomas E., Millheim, Keith, Liddell, Bill
• Other Authors: United States
• Format: Report
• Language: English
• Published: Maurer Technology Inc. (United States) 2005
• Subjects: Natural Gas; 02 Petroleum; Geology; Engineers; Environmental Impacts; Hydrates; Petroleum; Chemistry; Production; Deposition; Drilling; Geophysics; 03 Natural Gas; Gas Hydrates; Leases; Permafrost; Arctic Regions; Arctic; Canada; Ice; Methane hydrate; north slope; permafrost; Alaska
• Online Access: https://doi.org/10.2172/836997; https://digital.library.unt.edu/ark:/67531/metadc783449/

Natural-gas hydrates have been encountered beneath the permafrost and considered a nuisance by the oil and gas industry for years. Engineers working in Russia, Canada and the USA have documented numerous drilling problems, including kicks and uncontrolled gas releases, in arctic regions. Information has been generated in laboratory studies pertaining to the extent, volume, chemistry and phase behavior of gas hydrates. Scientists studying hydrate potential agree that the potential is great--on the North Slope of Alaska alone, it has been estimated at 590 TCF. However, little information has been obtained on physical samples taken from actual rock containing hydrates. This gas-hydrate project is a cost-shared partnership between Maurer Technology, Anadarko Petroleum, Noble Corporation, and the U.S. Department of Energy's Methane Hydrate R&D program. The purpose of the project is to build on previous and ongoing R&D in the area of onshore hydrate deposition to help identify, quantify and predict production potential for hydrates located on the North Slope of Alaska. As part of the project work scope, team members drilled and cored a well (the Hot Ice No. 1) on Anadarko leases beginning in January 2003 and completed in March 2004. Due to scheduling constraints imposed by the Arctic drilling season, operations at the site were suspended between April 21, 2003 and January 30, 2004. An on-site core analysis laboratory was constructed and used for determining physical characteristics of frozen core immediately after it was retrieved from the well. The well was drilled from a new and innovative Anadarko Arctic Platform that has a greatly reduced footprint and environmental impact. Final efforts of the project were to correlate geology, geophysics, logs, and drilling and production data and provide this information to scientists for future hydrate operations. No gas hydrates were encountered in this well; however, a wealth of information was generated and is contained in the project reports. Documenting the results of this effort are key to extracting lessons learned and maximizing the industry's benefits for future hydrate exploitation.