Patent ID: 11913324
Assignee: CHINA PETROLEUM & CHEMICAL CORPORATION
Field: Civil engineering (Other fields)
Classification: CPC E  G | IPC E

Claim 1:
2. The apparatus for downhole multi-dimensional imaging according to claim 1, wherein the acquisition unit comprises:
a resistivity detecting module comprising a current signal transmission driving circuit, a current signal transmitting ring, and a current receiving electrode, wherein the resistivity detecting module is configured to transmit a current signal generated by the current signal transmission driving circuit to the formation through the current signal transmitting ring, and then to receive a part of the current signal returned from the formation through the current receiving electrode, the part of the current signal being related to the resistivity of the formation;
an ultrasonic signal exciting and receiving module, for transmitting ultrasound to the borehole wall and receiving an ultrasonic signal reflected from the borehole wall; and
a sector detecting module, for detecting a current position of a tool face in a drilling rotation and to determine a sector where measured data is from.