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:
Mar. 31, 2020
Filed:
Sep. 26, 2016
Schlumberger Technology Corporation, Sugar Land, TX (US);
Rod Shampine, Houston, TX (US);
Idalia Ovalle Stevenson, Sugar Land, TX (US);
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
A blow out preventer includes a blow out preventer body, at least one pipe ram disposed in the blow out preventer body which opens or closes in at least one respective cavity defined by the blow out preventer body, an inverted pipe ram disposed in the blow out preventer body which opens or closes in a respective cavity defined by the blow out preventer body, and a pressure management system for adjusting pressure within the blow out preventer below damaging pressure levels as one or more of the at least one pipe ram and the inverted pipe ram open or close in a respective cavity. In some cases, a second pipe ram disposed in the blow out preventer body which opens or closes in a respective cavity defined by the blow out preventer body.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile