Hydrate formation and blockage in long deepwater pipelines has long been a trouble for offshore petroleum production. Consequently, understandings of the procedures as well as influencing factors of hydrate blockage are key points to make reasonable flow assurance strategies. Thus two series of experiments have been conducted in a high-pressure hydrate flow loop newly constructed by multi-phase flow research group in China University of Petroleum (Beijing). One of the systems consists of water and CO2, while the other one includes water, diesel oil and natural gas. The relative time of hydrate blockage has been studied by varying pressure and flow rate for both two systems. The dimensions of hydrate particles in fluid during plugging are also investigated. The results indicate that the influencing factor exerts a similar effect on the relative time for the different systems. Besides, the sizes of particles in the fluid would change significantly due to hydrate formation.
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2012 9th International Pipeline Conference
September 24–28, 2012
Calgary, Alberta, Canada
Conference Sponsors:
- International Petroleum Technology Institute
- Pipeline Division
ISBN:
978-0-7918-4515-8
PROCEEDINGS PAPER
Experimental Study on Blockage of Gas Hydrate Slurry in a Flow Loop
Xiaofang Lv,
Xiaofang Lv
China University of Petroleum (Beijing), Beijing, China
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Da Yu,
Da Yu
China University of Petroleum (Beijing), Beijing, China
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Wenqing Li,
Wenqing Li
China University of Petroleum (Beijing), Beijing, China
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Bohui Shi,
Bohui Shi
China University of Petroleum (Beijing), Beijing, China
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Jing Gong
Jing Gong
China University of Petroleum (Beijing), Beijing, China
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Xiaofang Lv
China University of Petroleum (Beijing), Beijing, China
Da Yu
China University of Petroleum (Beijing), Beijing, China
Wenqing Li
China University of Petroleum (Beijing), Beijing, China
Bohui Shi
China University of Petroleum (Beijing), Beijing, China
Jing Gong
China University of Petroleum (Beijing), Beijing, China
Paper No:
IPC2012-90356, pp. 37-43; 7 pages
Published Online:
July 25, 2013
Citation
Lv, X, Yu, D, Li, W, Shi, B, & Gong, J. "Experimental Study on Blockage of Gas Hydrate Slurry in a Flow Loop." Proceedings of the 2012 9th International Pipeline Conference. Volume 4: Pipelining in Northern and Offshore Environments; Strain-Based Design; Risk and Reliability; Standards and Regulations. Calgary, Alberta, Canada. September 24–28, 2012. pp. 37-43. ASME. https://doi.org/10.1115/IPC2012-90356
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