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.

Date of Patent:
Mar. 15, 1988

Filed:

Dec. 22, 1986
Applicant:
Inventors:

Joseph L Pearce, Dallas, TX (US);

Phillip S Sizer, Dallas, TX (US);

John C Gano, Carrollton, TX (US);

John H Yonker, Carrollton, TX (US);

Robert L Thurman, Carrollton, TX (US);

James F O'Sullivan, Jr, Houston, TX (US);

Dayton M Simpson, Missouri City, TX (US);

Richard A Roberts, Houston, TX (US);

Anthony J Healey, Carmel, CA (US);

Urie G Nooteboom, Houston, TX (US);

Assignee:

Otis Engineering Corporation, Dallas, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166345 ; 166346 ; 166359 ; 405195 ;
Abstract

A system and method for servicing subsea wells with a flexible riser. The flexible riser can be modified for use either with wireline or through the flow line tools. The flexible riser eliminates the requirement for motion or heave compensating equipment associated with rigid marine riser systems. The flexible riser, lower riser package and associated surface support equipment can be used to obtain vertical access to a subsea well without the need to use a drill ship or semisubmersible.


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