Experiment Science and Technology, Volume. 22, Issue 4, 101(2024)

Design and Practice of Experimental Teaching Exploration Based on Mud Refrigeration for Gas Hydrate

Lili QU1...2, Rui JIA1,2, Yuan WANG1,2,*, Weiwei LIU3, and Shuai ZHAO12 |Show fewer author(s)
Author Affiliations
  • 1College of Construction Engineering, Jilin University, Changchun 130026, China
  • 2Key Laboratory of Ministry of Land and Resources on Complicated Conditions Drilling Technology, Changchun 130026, China
  • 3CCTEG Xi’an Research Institute (Group),Co., Ltd., Xi’an 710065, China
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    Natural gas hydrates are easily decomposed in the process of drilling cores because of an increase in temperature, so it is necessary to control the temperature of drilling mud in the mud refrigeration system below 0 ℃ to inhibit the decomposition of hydrate. Heat exchanger is the core equipment of the mud refrigeration system, and selecting a suitable heat exchanger structure is the key to obtain low temperature mud. The three key parameters of the minimum mud outlet temperature, temperature difference between the inlet and outlet and heat transfer power were taken as indicators to evaluate the effect of the three heat exchangers. The results showed that the minimum mud outlet temperature of spiral baffle heat exchanger could be ?2.1 ℃, and the inlet and outlet temperature difference reached 4.1 ℃, which showed a satisfied heat transfer result. Finally, the key process parameters of heat exchanger and the selection of key equipment of mud refrigeration system were proposed.

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    Lili QU, Rui JIA, Yuan WANG, Weiwei LIU, Shuai ZHAO. Design and Practice of Experimental Teaching Exploration Based on Mud Refrigeration for Gas Hydrate[J]. Experiment Science and Technology, 2024, 22(4): 101

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    Paper Information

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    Received: Oct. 26, 2023

    Accepted: --

    Published Online: Dec. 4, 2024

    The Author Email: WANG Yuan (王元)

    DOI:10.12179/1672-4550.20230495

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