Patent ID: 11905829
Assignee: CHINA NATIONAL OFFSHORE OIL CORPORATION
Field: Civil engineering (Other fields)
Classification: CPC E  G | IPC E  G

Claim 9:
10. The integrated logging instrument for coring and sampling according to claim 9, wherein the first piston divides the first chamber into a first movable chamber and a second movable chamber, and the second piston divides the second chamber into a third movable chamber and a fourth movable chamber, the first movable chamber and the third movable chamber are arranged between the first piston and the second piston; one end of the first fluid pipe is arranged to be communicated with the suction channel, and the other end of the first fluid pipe is communicated with the first movable chamber and the third movable chamber through a first branch pipe and a second branch pipe respectively; one end of the second fluid pipe is communicated with the first movable chamber and the third movable chamber through a third branch pipe and a fourth branch pipe respectively, and the other end of the second fluid pipe is arranged to be communicated with the sampling barrel mechanism.