US 12,071,820 B2
High-temperature and high-pressure simulator for deep in-situ environment
Ru Zhang, Chengdu (CN); Heping Xie, Chengdu (CN); Zetian Zhang, Chengdu (CN); Li Ren, Chengdu (CN); Zhilong Zhang, Chengdu (CN); Yihang Li, Chengdu (CN); Weiqiang Ling, Chengdu (CN); and Heng Gao, Chengdu (CN)
Assigned to SICHUAN UNIVERSITY, Chengdu (CN)
Appl. No. 18/031,628
Filed by SICHUAN UNIVERSITY, Chengdu (CN)
PCT Filed Aug. 22, 2022, PCT No. PCT/CN2022/113824
§ 371(c)(1), (2) Date Apr. 13, 2023,
PCT Pub. No. WO2023/051089, PCT Pub. Date Apr. 6, 2023.
Claims priority of application No. 202111161456.2 (CN), filed on Sep. 30, 2021.
Prior Publication US 2023/0383629 A1, Nov. 30, 2023
Int. Cl. E21B 19/16 (2006.01); E21B 49/02 (2006.01); G01M 99/00 (2011.01); G01N 3/12 (2006.01); G09B 25/02 (2006.01)
CPC E21B 19/165 (2013.01) [G01M 99/002 (2013.01); G01N 3/12 (2013.01); E21B 49/02 (2013.01); G01N 2203/0232 (2013.01); G01N 2203/0266 (2013.01); G09B 25/02 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A high-temperature and high-pressure simulator for a deep in-situ environment, comprising a high-fidelity sample chamber, wherein
a lower end of the high-fidelity sample chamber is provided with a bottom cylinder;
a lower end of the bottom cylinder is provided on a base;
a piston rod of the bottom cylinder extends into the high-fidelity sample chamber, and an upper end of the piston rod is provided with a rock sample seat;
an upper end of the high-fidelity sample chamber is provided with a rock sample cap;
a top of the high-fidelity sample chamber is sealed by an end cap of the high-fidelity sample chamber;
an upper end of the end cap of the high-fidelity sample chamber is provided with a multi-section coring drill chamber;
an uppermost section of the coring drill chamber is connected to a lift cylinder;
a coring drill is provided in the multi-section coring drill chamber, and the coring drill extends into the high-fidelity sample chamber through a central end cap;
an upper end of the lift cylinder is sealed by an upper end cap;
the lift cylinder is provided therein with a lift rod; and
the lift rod has a lower end provided with a lift piston and fixedly connected to an upper end of the coring drill, and an upper end passing through the upper end cap;
wherein
the upper end of the coring drill is provided with an expansion part;
an upper end of the expansion part is provided with a stepped connection piece;
an upper end of the connection piece is provided with a connection space;
the connection piece is inserted into a lower end of the connection space; and
a lower end of the lift rod is inserted into the connection space.