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:
Nov. 08, 2016
Filed:
Mar. 21, 2012
Christian Leuchtenberg, Singapore, SG;
Alexander John Macgregor, Singapore, SG;
Christian Leuchtenberg, Singapore, SG;
Alexander John MacGregor, Singapore, SG;
MANAGED PRESSURE OPERATIONS PTE. LTD., Singapore, SG;
Abstract
A blow out preventer (BOP) for use in the drilling of a wellbore into a subterranean fluid reservoir and/or the production of fluid is provided. The BOP includes a housing having longitudinal axis and being divided into a first housing part and a second housing part, movement of the first housing part relative to the second housing part being prevented by fasteners, each fastener including a shaft which extends through a fastener receiving passage provided in the first housing part into a fastener receiving passage provided in the second housing part. The housing is further provided with fluid flow passages which extend from the first part of the housing to the second part of the housing, the fluid flow passages being interspersed between fastener receiving passages.