The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 03, 2017
Filed:
Apr. 29, 2014
Applicants:
China Petroleum & Chemical Corporation, Beijing, CN;
Sinopec Tech Houston, Llc., Houston, TX (US);
Inventors:
Sheng Zhan, Houston, TX (US);
Jinhai Zhao, Houston, TX (US);
Herong Zheng, Houston, TX (US);
Weiping Xu, Houston, TX (US);
Assignees:
CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing, CN;
SINOPEC TECH HOUSTON, LLC, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06G 7/48 (2006.01); E21B 43/12 (2006.01);
U.S. Cl.
CPC ...
E21B 43/12 (2013.01);
Abstract
A managed pressure drilling (MPD) system employs reliability models such as Failure Modes and Effects Analysis (FMEA), Fault Tree Analysis (FTA), Ishikawa diagram, Pareto chart, Reliability Block Diagram (RBD) in assessing and optimizing the system reliability. The MPD drilling system is suitable for offshore drilling operations.