US 12,018,536 B2
Continuous conduit apparatus based on guiding and injecting integrated mechanism
Mingzhong Gao, Shenzhen (CN); Heping Xie, Shenzhen (CN); Mingqing Yang, Shenzhen (CN); Ling Chen, Shenzhen (CN); Le Zhao, Shenzhen (CN); Jianan Li, Shenzhen (CN); Bo Yu, Shenzhen (CN); Cong Li, Shenzhen (CN); Zhiqiang He, Shenzhen (CN); and Yunqi Hu, Shenzhen (CN)
Assigned to SHENZHEN UNIVERSITY, Guangdong (CN)
Appl. No. 18/010,091
Filed by SHENZHEN UNIVERSITY, Shenzhen (CN)
PCT Filed Dec. 3, 2020, PCT No. PCT/CN2020/133655
§ 371(c)(1), (2) Date Dec. 13, 2022,
PCT Pub. No. WO2022/021718, PCT Pub. Date Feb. 3, 2022.
Claims priority of application No. 202010737010.9 (CN), filed on Jul. 28, 2020.
Prior Publication US 2023/0349245 A1, Nov. 2, 2023
Int. Cl. E21B 19/22 (2006.01)
CPC E21B 19/22 (2013.01) 13 Claims
OG exemplary drawing
 
13. A continuous conduit apparatus based on a guiding and injecting integrated mechanism, comprising a straightening apparatus and a pair of sprocket and chain clamping assemblies, the pair of sprocket and chain clamping assemblies are configured to clamp the conduit and pull the conduit to go downwards in a well or upwards in a lifting direction; between the pair of sprocket and chain clamping assemblies, a conduit guide channel applied for the conduit to passing through is formed; an inlet and an outlet of the conduit guide channel are not situated in a straight line,
wherein a sprocket set of one of the pair of sprocket and chain clamping assemblies located at a periphery comprises a driving wheel, a tensioning wheel, and a driven wheel; and a sprocket set of another of the pair of sprocket and chain clamping assemblies located in an inlier comprises at least a driving wheel and a driven wheel,
wherein the straightening apparatus is configured to straighten the conduit.