Brown & Root, Inc.

Otis Engineering Corporation

Richard A Roberts

John C Gano

John H Yonker

Phillip S Sizer

Joseph L Pearce

Robert L Thurman

Anthony J Healey

Urie G Nooteboom

James F O'Sullivan, Jr

Billy M Hazlegrove

Dayton M Simpson

A pipeline of an indeterminate length, having a substantially constant inner diameter throughout its length, is formed by frictionally joining together a plurality of adjacent pipe segments. The ends of each pair of adjacent pipe segments are frictionally joined within an external, cylindrical sleeve member. The sleeve member has a substantially smooth inner bore and a substantially constant inner diameter, and is adapted to receive the adjacent pipe ends which abut within the sleeve. The joint of the disclosed pipeline is so designed that its strength can develop at least the yield stress of the material from which the pipeline is constructed.

Press fit pipe joint and method

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.

Method and system for maintenance and servicing of subsea wells

Disclosed is an apparatus for simultaneously trenching and laying a submarine pipeline within the bed of a body of water covered with a relatively thick ice mass. The apparatus comprises a pipeline construction spread which precedes a trenching and pipe installation spread, both of which traverse the ice mass. The pipe installation vehicle advances toward the constructed pipeline, elevates the pipeline, forms a slot-like opening in the ice and directs the pipeline into the water through the slot. A submersible dredging assembly extends from a installation vehicle which forms part of the installation spread. As the vehicle advances, the dredging assembly forms a trench in the sea bed. At the same time the dredging assembly guides the pipeline into the trench and provides support to a submerged component of the pipeline which is threaded through a slot in the dredging assembly.

Method and apparatus for simultaneous trenching and pipe laying in an

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Houston, TX, United States of America

Richard A Roberts