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

Claim 0:
1. An integrated logging instrument for coring and sampling, comprising a downhole main body and a ground system, wherein the downhole main body is connected with the ground system through a long cable, the downhole main body comprises a coring and sampling mechanism, a power mechanism and an energy storage mechanism, the coring and sampling mechanism comprises a coring assembly for drilling a core and a pushing and setting assembly for downhole fixation; the power mechanism is arranged at an upper end of the coring and sampling mechanism and includes a motor, a piston structure and a pump body, the piston structure and the pump body are respectively arranged at two output ends of the motor, the piston structure is configured to provide suction power for the pushing and setting assembly to extract formation fluid, the pump body is configured to provide hydraulic power for radial extension and retraction of a coring bit, a probe and a pushing arm of the coring and sampling mechanism; the energy storage mechanism is arranged at a lower end of the coring and sampling mechanism, the energy storage mechanism is configured to store pressure energy of the power mechanism, and is able to serve as a temporary power source, the energy storage mechanism is configured to provide temporary power for the downhole main body to ensure safety of the downhole main body.