This inventor holds 1 USPTO granted patent. Top assignees: China National Petroleum Corporation, China University of Petroleum (East China), Cnpc Bohai Driling Engineering Company Limited. Active years: 2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 98 
1 out of 240 
1 out of 1 Years Active: 2024
Title: Menglei Ma and His Pressure-Compensation Invention.
Introduction
Menglei Ma is an inventor based in Tianjin, China. His work includes a patent for a pressure-compensation device designed for controlled pressure drilling.
Latest Patents
Ma’s listed patent is “Pressure Compensation Device with Accumulator Group for Controlled Pressure Drilling.” The device combines an electrical flat valve, a check valve, an accumulator group, a flanged pup joint, and a support base. The electrical flat valve connects to the check valve and is mounted on the support base. Positioned downstream of the check valve, the accumulator group stores pressure for controlled pressure drilling. Its liquid inlet connects to the check valve, while its discharge end connects to the flanged pup joint. Ma is credited with 1 patent.
Career Highlights
Ma is associated with CNPC Bohai Drilling Engineering Company Limited and China National Petroleum Corporation. His patent focuses on pressure compensation equipment for drilling operations.
Collaborations
Ma’s listed coworkers include Liming Wei and Jiacui Luan.
Conclusion
Menglei Ma’s patent describes an accumulator-based pressure-compensation device for controlled pressure drilling, reflecting his work in drilling technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile