US 12,359,519 B2
Coring and sampling integrated sub and downhole instrument
Yongren Feng, Hebei (CN); Tao Lu, Hebei (CN); Lin Huang, Hebei (CN); Shusheng Guo, Hebei (CN); Xiaodong Chu, Hebei (CN); Kun Xu, Hebei (CN); Tiemin Liu, Hebei (CN); Yongchao Chen, Hebei (CN); Yongzeng Xue, Hebei (CN); Xinhuo Weng, Hebei (CN); Guoqiang Zhang, Hebei (CN); Suogui Shang, Hebei (CN); Yang Shen, Hebei (CN); and Ya Jin, Hebei (CN)
Assigned to CHINA OILFIELD SERVICES LIMITED, Tianjin (CN)
Appl. No. 18/266,518
Filed by CHINA OILFIELD SERVICES LIMITED, Tianjin (CN)
PCT Filed Oct. 29, 2021, PCT No. PCT/CN2021/127511
§ 371(c)(1), (2) Date Jun. 9, 2023,
PCT Pub. No. WO2022/267288, PCT Pub. Date Dec. 29, 2022.
Claims priority of application No. 202110710639.9 (CN), filed on Jun. 25, 2021.
Prior Publication US 2024/0026747 A1, Jan. 25, 2024
Int. Cl. E21B 25/10 (2006.01); E21B 49/06 (2006.01); E21B 49/10 (2006.01)
CPC E21B 25/10 (2013.01) [E21B 49/06 (2013.01); E21B 49/10 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A coring and sampling integrated sub, comprising an integrally formed base body, a probe module, a coring module and a hydraulic module, wherein the probe module, the coring module and the hydraulic module are all mounted on the base body;
the hydraulic module, the probe module and the coring module are disposed in sequence from top to bottom;
an output end of the hydraulic module is respectively connected with the probe module and the coring module, and the hydraulic module provides a telescopic power for the probe module, and provides power for movement, turn-over and core-pushing of the coring module;
wherein the base body comprises a probe segment disposed between the hydraulic module and the coring module, the probe module is mounted on the probe segment; a core-pushing drilling assembly is provided at the output end of the hydraulic module, the core-pushing drilling assembly penetrates through the probe segment and is connected with the coring module; and the coring module is provided with a cable extending upwards and penetrating through the probe segment.