1
Claude Vercaemer, Peter Allan Goode: Technique for fracturing subterranean formations. Schlumberger Technology Corporation, Robert A Van Someren, Jeffrey Griffin, Brigitte Jeffery Echols, April 20, 2004: US06722437 (128 worldwide citation)

A technique for stimulating production of fluids from a subterranean formation. The technique utilizes a tubular member disposed within a wellbore. The tubular member comprises transverse openings that facilitate a formation fracturing process. Subsequent to fracturing, a completion element may be d ...


2
Kenneth C Davidson, John A Kerr, Roderick MacKenzie, Alan J Johnston: System and technique for monitoring and managing the deployment of subsea equipment. Schlumberger Technology Corporation, Jeffrey Griffin, Brigitte Jeffery Echols, Trop Pruner & Nu PC, April 27, 2004: US06725924 (122 worldwide citation)

A system that is usable in a subsea well includes a tubular string that extends from a surface platform toward the sea floor. The string has an upper end and a lower remote end that is located closer to the sea floor than to the platform. At least one sensor of the system is located near the remote ...


3
Craig D Johnson, Gary Martin Oddie: Flow control regulation method and apparatus. Schlumberger Technology Corporation, Robert Van Someren PC, Jeffrey Griffin, Brigitte Jeffery Echols, September 7, 2004: US06786285 (118 worldwide citation)

A technique for controlling fluid production in a deviated wellbore is disclosed. The technique utilizes a flow pipe the interior of which is in hydraulic communication with the earth's surface. A plurality of flow control valves are disposed at spaced apart positions along the length of the fl ...


4
Colin J Price Smith, Patrick W Bixenman, Craig D Johnson, Matthew R Hackworth, Garry Sinclair: Expandable completion system and method. Schlumberger Technology Corporation, Robert Van Someren P C, Jeffrey Griffin, Brigitte Jeffery Echols, April 13, 2004: US06719064 (114 worldwide citation)

A well completion has an expanded tubing portion and an unexpanded tubing portion. A seal is provided on the unexpanded portion. In another embodiment, an expandable tubing is provided and a gravel pack operation is performed.


5
Joel McClurkin, Dennis L Mills, Craig D Johnson: Technique for expanding tubular structures. Schlumberger Technology Corporation, Robert Van Someren, Jeffrey Griffin, Brigitte Jeffery Echols, February 10, 2004: US06688397 (107 worldwide citation)

A system for expanding tubular structures. The system comprises a mandrel that is moved through the center of a tubular structure to increase the diameter of the tubular structure via deformation. The system utilizes an expansion device having a mandrel with multiple segments moved between a contrac ...


6
Rodney J Wetzel, Sudhir Pai, David R Smith, Peter V Howard, Craig D Johnson, Jake A Danos, Patrick W Bixenman: Intelligent well system and method. Schlumberger Technology Corporation, Robert A Van Someren P C, Jeffrey Griffin, Brigitte Jeffery Echols, September 14, 2004: US06789621 (87 worldwide citation)

An intelligent well system and method has a sand face completion and a monitoring system to monitor application of a well operation. Various equipment and services may be used. In another aspect, the invention provides a monitoring system for determining placement of a well treatment. Yet another as ...


7
Craig D Johnson, Patrick W Bixenman: Wellbore isolation technique. Schlumberger Technology Corporation, Van Someren PC, Jeffrey E Griffin, Brigitte Jeffery Echols, February 24, 2004: US06695067 (77 worldwide citation)

A wellbore isolation device having an expandable component. The expandable component comprises a layer of bistable cells that can be expanded from a contracted stable state towards an expanded stable state. A seal material may be placed along the expandable cells to facilitate inhibition of fluid fl ...


8
Dinesh R Patel: System for pressure testing tubing. Schlumberger Technology Corporation, Jeffrey E Griffin, Brigitte Jeffery Echols, Van Someren PC, February 3, 2004: US06684950 (73 worldwide citation)

A system and method is provided for pressure testing a tubing string. A valve is utilized within the tubing string to enable selective application of pressure in the tubing above the valve. However, between pressure tests, the valve may be opened to allow fluid flow into the tubing. Thus, the tubing ...


9
Andrew J Martin: Intelligent perforating well system and method. Schlumberger Technology Corporation, Trop Pruner & Hu P C, Jamie A Castano, Brigitte Jeffery Echols, January 4, 2005: US06837310 (63 worldwide citation)

An instrumented perforating gun and associated methods. One aspect provides a recess for placement of instruments on the perforating gun. Another aspect provides methods for perforating and completing a well in a single trip. The present invention also provides an instrumented intergun housing. It i ...


10
Craig David Johnson: Apparatus and methods for flow control gravel pack. Schlumberger Technology Corporation, Williams Morgan & Amerson P C, Jame A Castano, Brigitte Jeffery Echols, February 22, 2005: US06857475 (59 worldwide citation)

A wellbore completion includes a plurality of longitudinal gravel pack sections disposed within a well, the gravel pack sections being capable of imposing a predetermined substantially radial flow restriction upon fluid production flowing radially through the gravel pack section. At least one of the ...