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. 02, 1979
Filed:
Jun. 05, 1978
Applicant:
Inventor:
Edward J Szymczak, Houston, TX (US);
Assignee:
Cameron Iron Works, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; F16L / ;
U.S. Cl.
CPC ...
166340 ; 285-3 ; 285 18 ; 285315 ;
Abstract
There is disclosed a riser pipe having telescoping sections which are held in retracted position by a part which is adapted to sever upon application of a predetermined tensile load, and a fluid-actuated connector at its lower end which is adapted to be released from connection with a blowout preventer stack at the upper end of an underwater wellhead automatically in response to extension of said sections upon severance of said part.