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Keywords: permafrost
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Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29141-MS
... permafrost offshore pipeline deformation porosity rate function upstream oil & gas thaw bulb thermosyphon interaction settlement offshore technology conference prediction fe model ice gouging basel abdalla soil consolidation midstream oil & gas piping design piping...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29146-MS
... Arctic environment especially true in light of ongoing climate change where the melting of permafrost poses significant issues for development in the Arctic. The harsh Arctic environment presents unique challenges that are not found in more southern latitudes for the oil and gas and transportation...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29165-MS
... into the design and installation planning. Having this understanding will help better prepare an organization for permitting approvals and for adjustments once the non-technical risks and external input are considered. traffic unstable permafrost construction airstrip artificial intelligence...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27374-MS
... strudel scour, permafrost thaw settlement, and ice gouging. These evolving design methodologies are comprised in INTECSEA's in-house suite of Arctic Tools and pipeline design standards. Focus is also placed on the importance of appropriate environmental and geotechnical data collection, the use of limit...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27371-MS
... Abstract Permafrost thaw induced settlement is a major concern for pipeline design and operation in the Arctic region. For a buried warm pipeline in permafrost, heat losses can thaw the frozen water in the surrounding soil and create a thaw bulb around the pipeline. The underlying soil will...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27453-MS
... to non-Arctic shore crossings, the industry has "been there and done that" safely. technology conference settlement transition expansion loop erosion installation permafrost us government consideration thaw settlement offshore pipeline photo courtesy shoreline erosion tunnel...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27454-MS
... Abstract Thaw subsidence can damage the infrastructure including buildings, roads and airfields founded on ice- rich permafrost, increase their maintenance costs, change the landscape and influence the sustainable development in the northern region. Information about the ground movements is...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27450-MS
... Abstract A man-made island and buried subsea pipeline are needed for an oil production project within the Foggy Island Bay area of the Alaskan Beaufort Sea. In order to characterize the geologic and permafrost conditions in the area, field data have been collected over several winter field...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27464-MS
... superstructure installation deck panel north slope pier constraint bridge permafrost strategic planning and management construction challenge offshore technology conference ConocoPhillips , Spirit magazine , 2016 . Achieving the impossible in Alaska, First Quarter 2016 , pp. 11 – 23...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25582-MS
... Abstract Pipelines in the Arctic must contend with a variety of geotechnical obstacles affecting their construction and long-term operation. For example, thawing permafrost leads to unstable terrain, especially on slopes and pipeline river crossings. Research funded by the US Department of...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25504-MS
... Abstract Permafrost in Arctic is one of the most important factors when exploration and production of gas and gas condensate fields due to its sensitivity to any technogenic (humane-made) impact or climatic change. Exploration and production procedures in the areas with instable permafrost...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25500-MS
... Abstract This paper presents a compendium of applications for thermosyphon type passive refrigeration devices for onshore facilities in the arctic. It's very seldom that thaw-stable permafrost or rock is available to found structures on and facilities need to be located on permafrost that is...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25583-MS
... Abstract Buried pipelines in permafrost may undergo thaw settlement over a period of time. It depends on the type of soil. The innovative technology outlined in this paper solves the problem of thaw settlement of buried pipelines. With this technology expensive soil exploration will not be...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25481-MS
... Abstract In Arctic regions, permafrost and gas hydrate bearing sediments below the seabed present a technical problem for drilling operations. The first and most important challenge is to be able to control the well if pressured gas is encountered in or below such formations, and the second...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25600-MS
... Abstract In conjunction with the development of a LNG storage tank facility in Fairbanks, Alaska a geotechnical investigation and probabilistic seismic hazard analysis (PSHA) was performed. The site is located within a region in Fairbanks where warm permafrost soils exist (-1°C average soil...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24585-MS
... the diesel batches formerly used for freeze prevention. offshore technology conference production control waste management permafrost diesel enhanced recovery disposal well modeling change freeze protection procedure shut-in period temperature modeling geothermal gradient freeze...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24607-MS
... gouging burial depth requirement trench plough operation consideration installation upheaval permafrost pipeline offshore pipeline strudel scour midstream oil & gas upstream oil & gas settlement requirement gouge OTC 24607 Arctic Offshore Pipeline Design and Installation...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, December 3–5, 2012
Paper Number: OTC-23733-MS
... 0.9m. The circulated chilledair was -10 °C. One-third of the pipeline was buried in permafrostand the rest of it was placed in non-permafrost. At the end of July 2003, circulation of the chilled air ceased, however, monitoring of the thawsettlement properties of the test pipeline continued until the...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, December 3–5, 2012
Paper Number: OTC-23747-MS
... Abstract Oil and gas producers have shown renewed interest in developing reservoirslocated both onshore and offshore within the Arctic regions of Alaska, Canadaand Russia. In many cases, the hydrocarbon reservoirs are known to be overlainby a massive permafrost interval that extends over...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, December 3–5, 2012
Paper Number: OTC-23748-MS
... Abstract Hole enlargement is a serious problem while drilling in permafrostconditions. The hole enlargement problems leads to lost circulation. Irregularand unstable holes also affect the quality of cement jobs. The drilling fluidis generally at a higher temperature than the permafrost...

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