Qinglong Liu

Title: Qinglong Liu: Innovator in Well Logging Technology

Introduction

Qinglong Liu is a prominent inventor based in Dongying, China. He has made significant contributions to the field of well logging technology, holding a total of 3 patents. His innovative work focuses on improving the efficiency and effectiveness of drilling operations.

Latest Patents

One of his latest patents is an "Apparatus for well logging capable of forward investigation." This invention relates to a method and apparatus for well logging, which includes a drill collar body and an array of antennas. The array consists of at least a pair of transmitting and receiving antennas, designed to generate a curve of axial forward depth of investigation. This method allows for real-time measurement of resistivity variations in the axial forward formation during drilling, as well as the discrimination of interfacial characteristics of formations with different resistivity.

Another notable patent is the "Rotating magnetic field downhole power generation device." This device features a downhole rotating magnetic field generator, which includes a stator assembly and a rotor assembly. The design minimizes eddy current loss by eliminating metal isolation between the rotor and stator, allowing for efficient power generation. The use of mud flowing through small passages as a lubricant prevents overheating and ensures high power output.

Career Highlights

Qinglong Liu has worked with notable organizations such as China Petroleum & Chemical Corporation and Shengli Drilling Technology Research Institute of Sinopec. His experience in these companies has allowed him to develop and refine his innovative technologies in the field of well logging.

Collaborations

Some of his coworkers include Zuohui Li and Jinzhou Yang, who have collaborated with him on various projects and innovations.

Conclusion

Qinglong Liu's contributions to well logging technology demonstrate his commitment to advancing the field through innovation. His patents reflect a deep understanding of the challenges in drilling operations and provide effective solutions to enhance efficiency and performance.