Chinese Academy of Sciences

Junjie Xue

Guoqiang Xue

Weiying Chen

Pengfei Lv

Yulian Zhu

A borehole-to-surface near-source transient electromagnetic high-precision exploration method pioneers a BSEM acquisition method, obtained high-precision electrical data is processed and interpreted, which is a technological innovation and breakthrough in applying electrical exploration for gas-water differentiation in low-porosity, low-permeability gas reservoirs. The high-precision electrical gas-water differentiation method serves as a novel and effective gas-water differentiation approach complementary to conventional borehole/well logging and seismic exploration, it enables direct qualitative and quantitative evaluation of gas-bearing targets and is a gas-water differentiation technology that can indicate boundaries and scopes of the gas-bearing targets, thus can provide high-confidence gas-rich target indications for development of borehole pattern arrangement, especially horizontal borehole/well arrangement, and achieve the goal of efficient development with fewer borehole/wells but higher yields. The exploration method achieves both high resolution resistivity of the target formations and large-radius lateral resistivity detection, and serving as an effective geophysical exploration tool for unconventional oil-gas-water detections.

Growing community of inventors

Beijing, China

Junjie Xue