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.
Company Filing History:
1 out of 95 
1 out of 236 
1 out of 1 Years Active: 2024
Title: Long Ma - Innovator in Pressure Compensation Technology
Introduction
Long Ma is a notable inventor based in Tianjin, China. He has made significant contributions to the field of controlled pressure drilling through his innovative designs and patents. His work focuses on enhancing the efficiency and safety of drilling operations.
Latest Patents
One of Long Ma's key patents is a "Pressure compensation device with accumulator group for controlled pressure drilling." This device includes an electrical flat valve, a check valve, an accumulator group, a flanged pup joint, and a support base. The electrical flat valve is connected to the check valve and is mounted on the top surface of the support base. The accumulator group, which is a pre-storage pressure compensation device for controlled pressure drilling, is located downstream of the check valve. The liquid inlet end of the accumulator group is connected to the check valve, while the liquid discharge end is connected to the flanged pup joint. This invention aims to improve the reliability and effectiveness of drilling operations.
Career Highlights
Long Ma has worked with prominent organizations such as CNPC Bohai Drilling Engineering Company Limited and China University of Petroleum (East China). His experience in these institutions has allowed him to develop and refine his innovative ideas in drilling technology.
Collaborations
Throughout his career, Long Ma has collaborated with talented individuals, including Lei Chen and Gang Liu. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Long Ma is a distinguished inventor whose work in pressure compensation technology has made a significant impact on the drilling industry. His innovative patent demonstrates his commitment to improving drilling efficiency and safety.