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. 24, 1998
Filed:
Jan. 31, 1996
Gerald Brian Swagerty, Houston, TX (US);
David Earl Cain, Houston, TX (US);
John Robert Herold, Cypress, TX (US);
Don B Wafer, Spring, TX (US);
Randy Elum, Humble, TX (US);
Bashir M Koleilat, Spring, TX (US);
Henry Wong, Houston, TX (US);
FMC Corporation, Chicago, IL (US);
Abstract
According to the present invention, there is provided a device for guiding a tool on a string within a blow out prevention ('BOP') stack. In one embodiment, the device includes a top collar connected to a bottom collar by a shroud having a plurality of flexible members which bow outwardly from the collars, wherein the shroud covers a portion of the tool. An energy absorbing bumper is provided above the top collar to absorb structural impact caused by a blow out or other inadvertant pressure in a downhole application.