China Petroleum Chemical Corporation

Sinopec Research Institute of Petroleum Engineering

Meiling Zhan

Wei Zhang

Xin Li

Jianhua Liu

Yijin Zeng

Weining Ni

Jinping Wu

Sanguo Li

Yiting Zheng

Jintai Mi

Jibo Li

Wenli Wang

A resistivity measurement while drilling (MWD) device, including: a transmitting module arranged on an outer surface of a drill collar, for generating an induced current between the drill collar and surrounding formation by inductive coupling; a receiving electrode group including at least two electrodes, for receiving a measured current that reaches the electrode from the induced current through corresponding formation, two electrodes in the receiving electrode group being multiplexing electrodes; a resistivity calculation module configured to be connected to all or a part of the electrodes in the receiving electrode group in a measurement mode of the resistivity MWD device, to calculate the measured current received by a corresponding electrode and obtain resistivity of formation corresponding to the corresponding electrode; and a data transmission module configured to be connected to the multiplexing electrodes in a transmission mode of the resistivity MWD device, for transmitting calculated resistivity to a ground device.

Resistivity measurement while drilling device and method

Growing community of inventors

Beijing, China

Meiling Zhan