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:
Jun. 24, 2003
Filed:
Jun. 25, 2001
Other;
Abstract
An apparatus for making up and breaking out of a tubing string in a well includes a connector ( ) for connection to a tubular ( ) and a main high pressure conduit ( ) communicating with the connector ( ) for allowing circulation through a tubular ( ) connected thereto. Below that unit a connecting shell ( ) bounding a connecting chamber ( ) has an upper passage ( ) and a lower passage ( ), a preventer ( ) for separating an upper portion ( ) of the connecting chamber ( ) from a lower portion ( ) thereof, and a back-up high pressure conduit ( ) communicating with the connecting chamber ( ). A pressure corresponding to the pressure in the upper portion ( ) of the connecting chamber ( ) is provided in at least one pressure chamber ( ) and exerts a force pressing a tubular ( ) or the connector ( ) into the connecting chamber ( ) against forces exerted by pressure in the connecting chamber ( ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile