Schlumberger Technology Corporation

Gabriel Isaicu

Jerome Prost

David Clayton

Michael Jasper

Brad Swenson

Julia Huynh

Emrah Gokdag

Ron Perez

Barton Sponchia

Krishna Trisal

Marcelo Oblitas Ruiz

Carlos Emilio Webel

Patrick McKinley

Ernani Jeronimo

Saeed Molavi

Matthew C Williams

Michael Elkomos

Raymond Keane

Dongyang Chen

A technique facilitates actuation of flow control valves or other types of downhole devices. According to an embodiment, the downhole devices are coupled with corresponding first hydraulic control lines for hydraulically actuating each downhole device to a first operational position. The downhole devices also are coupled to a common second hydraulic control line which may be used in cooperation with selective hydraulic circuits to actuate individual downhole devices to a second operational position. For example, an individual selective hydraulic circuit may be coupled between each first hydraulic control line and the common second hydraulic control line at each downhole device. The selective hydraulic circuit is configured to enable actuation of the corresponding downhole device to the second operational position.

System and methodology for selective actuation of a downhole device

A technique provides a desired control over incremental actuation of hydraulic devices. A hydraulically actuated tool is combined with a control module. The hydraulically actuated tool has an actuator piston positioned in a piston chamber and movable between operating positions. The control module comprises a hydraulic indexing circuit arranged to enable incremental movement of the actuator piston in a first direction and full stroke movement in a second direction based on hydraulic input delivered via control lines. The hydraulic indexing circuit comprises an indexing piston system and at least one check valve working in cooperation with the indexing piston system to enable the incremental and full stroke movements.

Hydraulic indexing system

A hydraulic landing nipple assembly includes a control line port located at an outer surface of a tubular member having a bore therethrough, an upper seal recess positioned above the control line port, and a lower seal recess positioned below the control line port. The upper seal recess and the lower seal recess each define locations within the bore to receive an upper locking mandrel and a lower locking mandrel of a subsurface safety valve.

Hydraulic landing nipple

Systems and methods are provided to facilitate connection of multiple stage completions. A first completion stage is deployed at a wellbore location. Subsequently, the next completion stage is moved downhole into engagement with the first completion stage. The completion stages each have communication lines that are coupled together downhole via movement of the completion stages into engagement.

System and method for connecting multiple stage completions

An apparatus that is usable with a well includes an assembly, which includes a whipstock and a lateral deflector that are adapted to be run downhole into a first wellbore of the well as a unit. The whipstock is adapted to guide at least a drilling string to form a second wellbore, and the lateral deflector is adapted to guide a liner during installation of the liner into the second wellbore.

Assembly and technique for completing a multilateral well

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Missouri City, TX, United States of America

Gabriel Isaicu