Company Filing History:
Years Active: 2016
Title: Innovations by Mingqin Duan in Wellbore Pressure Management
Introduction
Mingqin Duan is an accomplished inventor based in Katy, Texas, known for his contributions to the field of wellbore pressure management. With a focus on enhancing drilling techniques, he has developed innovative systems that improve the efficiency and safety of subsea drilling operations.
Latest Patents
Mingqin Duan holds a patent for "Systems and methods for managing pressure in a wellbore." This patent describes a method for drilling a subsea well from a rig through a subsea wellhead below the rig. The method employs a single gradient or dual gradient drilling system that includes a drill string extending from the rig into the well, along with surface mud pumps for pumping drilling fluid into the well annulus. The system features a subsea rotating device for conducting the drilling fluid from the well annulus through a solids processing unit. A subsea pump then conducts the drilling fluid from the solids processing unit to a return line back to the rig. The coordination between the surface mud pump and subsea pump is crucial for trapping or removing pressure in the well annulus, thereby maintaining a selected pressure gradient.
Career Highlights
Mingqin Duan is currently employed at Chevron U.S.A. Inc., where he applies his expertise in drilling technologies. His work focuses on developing innovative solutions that enhance the safety and efficiency of drilling operations. With a patent portfolio that includes one significant patent, he has made a notable impact in the industry.
Collaborations
Mingqin collaborates with various professionals in the field, including his coworker Charles W. Weinstock. Their combined expertise contributes to the advancement of drilling technologies and the successful implementation of innovative solutions.
Conclusion
Mingqin Duan's contributions to wellbore pressure management demonstrate his commitment to innovation in the drilling industry. His patent reflects a significant advancement in drilling techniques, showcasing his ability to address complex challenges in subsea operations.