US 12,012,816 B2
Core detection device of coring instrument and spacer insertion device
Zhibin Tian, Hebei (CN); Lin Huang, Hebei (CN); Zanqing Wei, Hebei (CN); Shusheng Guo, Hebei (CN); Yongren Feng, Hebei (CN); Xingfang Wu, Hebei (CN); Tiemin Liu, Hebei (CN); Yong Jiang, Hebei (CN); Bin Gao, Hebei (CN); Peng Sun, Hebei (CN); Shiwei Zong, Hebei (CN); Jianyong Zhang, Hebei (CN); and Aijun Zhang, Hebei (CN)
Assigned to China National Offshore Oil Corporation, Beijing (CN); and China Oilfield Services Limited, Tianjin (CN)
Filed by China National Offshore Oil Corporation, Beijing (CN); and China Oilfield Services Limited, Tianjin (CN)
Filed on Feb. 23, 2023, as Appl. No. 18/113,517.
Application 18/113,517 is a continuation of application No. 17/178,479, filed on Feb. 18, 2021, granted, now 11,739,603.
Claims priority of application No. 202010171021.5 (CN), filed on Mar. 12, 2020.
Prior Publication US 2023/0194388 A1, Jun. 22, 2023
Int. Cl. E21B 25/00 (2006.01); E21B 17/10 (2006.01); G01B 21/02 (2006.01); G01N 1/08 (2006.01)
CPC E21B 25/00 (2013.01) [E21B 17/1021 (2013.01); G01B 21/02 (2013.01); G01N 1/08 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A spacer insertion device, comprising a spacer insertion mechanism (600) fixed on a base body (400) of a core detection device of a coring instrument, wherein the spacer insertion mechanism (600) comprises a slider (601) and a cylinder body (603), an output end of the cylinder body (603) is connected with the slider (601), and the slider (601) is slidably connected with the base body (400) to push a spacer (302) to a core channel (401) provided in the base body (400) and in communication with a core barrel (200);
wherein the spacer insertion mechanism (600) comprises a rotating arm (602), the cylinder body (603) is fixed to the base body (400), and an output end of the cylinder body (603) is connected with the slider (601) through the rotating arm to drive the slider (601) to slide;
wherein the spacer insertion mechanism (600) comprises a second housing (604) fixed to the base body (400) through a bracket (615), the rotating arm (602) is rotatably installed on the bracket (615) and respectively hinged with the slider (601) and the output end of the cylinder body (603), and the cylinder body (603) is provided in the second housing (604) and the output end of the cylinder body (603) extends out of the second housing (604).