Bp Corporation North America Inc.

Bp Exploration Operating Company Limited

Chevron U.s.a. Inc.

Abb Vetco Gray Incorporated

Vicki Deck Corso

Kevin Kennelley

Chau Nguyen

Graeme Steele

Adam L Ballard

Roy Shilling

Ricky Thethi

Paul W Gulgowski, Jr

Walter Greene

Steve Hatton

Philip D Maule

Robert W Franklin

Tony Oldfield

Charles D Bridges

Eugene A Borak, Jr

David A Wilkinson

Bobby L Ferguson

Jose A Alvarado

John Lloyd Busby

David E Wilkinson

Paul W Gulgowski

The present disclosure provides adjustable mandrel hanger assemblies and methods of their use. The adjustable mandrel hanger assembly includes an upper wellhead component, a lower wellhead component comprising a load shoulder, a mandrel hanger with a protrusion disposed on an exterior of the mandrel hanger, a seal assembly, and a height adjustment ring, wherein the height adjustment ring fits securely around a protrusion of the mandrel hanger and wherein a largest exterior diameter of the height adjustment ring is greater than an interior diameter of the load shoulder.

Adjustable inner riser mandrel hanger assembly

A free-standing riser system connects a subsea source to a surface structure. The system includes a concentric free-standing riser comprising inner and outer risers defining an annulus there between. A lower end of the riser is fluidly coupled to the subsea source through a lower riser assembly (LRA) and one or more subsea flexible conduits. An upper end of the riser is connected to a buoyancy assembly and the surface structure through an upper riser assembly (URA) and one or more upper flexible conduits, the riser also mechanically connected to a buoyancy assembly that applies upward tension to the riser. The riser may be insulated for flow assurance, either by a flow assurance fluid in the annulus, insulation of the outside of the outer riser, or both. The system may include a hydrate inhibition system and/or a subsea dispersant system. The surface structure may be dynamically positioned.

Marine subsea free-standing riser systems and methods

A running tool is used to install a tubing hanger without entangling the continuous control lines. The tubing hanger running tool is made up of a central mandrel, an outer housing, a setting member, and an actuator. The mandrel has a lower end for securing to a tubing hanger. The outer housing surrounds the mandrel and is connected to the setting member. The actuator moves the setting member axially with respect to the mandrel so that the setting member can set the lock element on the tubing hanger, securing the tubing hanger to the tubing head. The setting member has openings which allow the control lines from the tubing hanger to be fed through to the outside of the running tool so that they are not entangled during the placement of the tubing hanger.

Tubing hanger running tool

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Richmond, TX, United States of America

Vicki Deck Corso