Development and application of the temperature and pressure collector in the pressure core sampler

DENG Dudu; RUAN Hailong; ZHAO Yi; CHEN Yunlong; LIU Zhijian; Blinov.P.A and Gyxev; ${author.authorNameEn}

doi:10.12143/j.ztgc.2022.06.016

2022 Vol. 49, No. 6

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Article navigation > DRILLING ENGINEERING > 2022 > 49(6): 116-121

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DENG Dudu, RUAN Hailong, ZHAO Yi, CHEN Yunlong, LIU Zhijian, Blinov.P.A and Gyxev, . 2022. Development and application of the temperature and pressure collector in the pressure core sampler. DRILLING ENGINEERING, 49(6): 116-121. doi: 10.12143/j.ztgc.2022.06.016

Citation:

DENG Dudu, RUAN Hailong, ZHAO Yi, CHEN Yunlong, LIU Zhijian, Blinov.P.A and Gyxev, . 2022. Development and application of the temperature and pressure collector in the pressure core sampler. DRILLING ENGINEERING, 49(6): 116-121. doi: 10.12143/j.ztgc.2022.06.016

Development and application of the temperature and pressure collector in the pressure core sampler

1.Beijing Institute of Exploration Engineering， Beijing 100083， China;
2.StPetersburg Mining University， College of Oil and Gas Engineering， Saint Petersburg 195213， Russia

Received Date: 09 October 2021

Revised Date: 21 April 2022

Abstract

Abstract

Real-time measurement of downhole temperature and pressure is helpful to improve the coring process and increase core recovery during wireline core drilling. At the same time， the downhole in-situ measurement data is of great significance to understand the physical characteristics of core， especially in the exploration of gas hydrate in the sea. The structure and working principle of the temperature and pressure collector are introduced in this paper. The collector is powered by dry battery and can work for a measurement run more than 72h. It can collect and store temperature and pressure parameters in the core barrel during the whole sampling process. The data can be obtained when it is connected with the computer. The collector completed a test run onborad the Marine Geology 10 drilling vessel， and obtained temperature and pressure data for the entire wire-line coring process. Analysis shows that the data is consistent with the actual coring process， and the collected data is stable and reliable.
- wire-ine core drilling /
- pressure core sampler /
- temperature and pressure collection /
- in-situ measurement /
- gas hydrate in the sea

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References

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