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. 14, 2025
Filed:
Jul. 29, 2024
Schlumberger Technology Corporation, Sugar Land, TX (US);
Nathaniel Pettibone, Houston, TX (US);
Kody Carrillo, Sugar Land, TX (US);
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
Control systems and methods for rotating control device (RCD) active pressure compensation are provided. A control system for an RCD for rotary drilling in a wellbore includes: RCD equipment having an internal pressure P, wellbore having a wellbore pressure P, the RCD equipment being operably connected to the wellbore, a return line leading toward a ground surface and having a return pressure P, the RCD equipment being operably connected to the return line, and a regulator configured to adjust a fluid pressure supplied to the RCD to control the internal pressure P.