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2024
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Invention
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Controlling stress on seal areas using negative thermal expansion material. A system for controll... |
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2023
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Invention
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Nested tubing hanger. A nested tubing hanger has a wellhead housing that defines a wellhead bore,... |
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Invention
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Nested tubing hanger. A nested tubing hanger has a wellhead housing that defines a wellhead... |
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Invention
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High temperature gate valve. A gate valve has a valve body defining a flow passage. The valve bod... |
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Invention
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High temperature gate valve. A gate valve has a valve body defining a flow passage. The val... |
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Invention
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Biased lug cartridge, wear bushing with biased lug cartridge, and system and method using the sam... |
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2022
|
Invention
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Control/monitoring of internal equipment in a riser assembly.
Systems and methods for control/mo... |
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2021
|
G/S
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Metal goods for use in drilling and completing oil and gas wells and in the production of oil and... |
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Invention
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Tubing hanger alignment device.
Systems and methods for landing a tubing hanger in a wellhead an... |
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2020
|
Invention
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Selective position top-down cementing tool. A cementing system and method for selectively p... |
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Invention
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One trip lockdown sleeve and running tool. A lockdown sleeve and a running tool that may be used ... |
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2019
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Invention
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Tubing hanger with shiftable annulus seal. A tubing: hanger assembly with a shiftable annulus sea... |
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Invention
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Release mechanism for mechanically locked wiper plug system. A release mechanism for a mechanical... |
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Invention
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Barrier arrangement in wellhead assembly. A subsea wellhead assembly having an arrangement of pri... |
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Invention
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Liner hanger with enhanced locking assembly. A liner hanger having one: or more enhanced Socking ... |
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Invention
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Threaded connector having metal-to-metal seal. Threaded connectors for tubular members having met... |
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Invention
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Non-orientating tubing hanger and tree. Systems and methods for landing a tubing hanger in a well... |
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Invention
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Hydro-pneumatic cylinder with annulus fluid bypass. Systems and methods for pressure communicatio... |
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Invention
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Ultrasonic interventionless system and method for detecting downhole activation devices. An mterv... |
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Invention
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Methods for decreasing stress in flange bolting. Systems: and methods for decreasing bending stre... |
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Invention
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Real-time monitoring of mass loss from erosive flow. Systems and methods for continuously monitor... |
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Invention
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Releasable ratchet latch connector. A system including a releasable connector having a housing an... |
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Invention
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Tubing hanger orientation spool adaptor. Systems and methods for proper orientation of the connec... |
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|
Invention
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Riser monitoring and lifecycle management system and method.
Systems and methods for riser monit... |
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|
Invention
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Self-locking packer carrier. A self-locking packer carrier and a packer-down liner hanger system ... |
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Invention
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Improved inner drilling riser tie-back internal connector. Systems and methods for coupling a pla... |
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2018
|
Invention
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Push to release c-ring slip retention system. The c-ring slip retention system (14) may use a lip... |
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Invention
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Tubing hanger alignment device. Systems and methods for landing a tubing hanger in a wellhead and... |
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2017
|
Invention
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Casing running tool adapter. A casing running tool (CRT) adapter (210) for use with a casing runn... |
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Invention
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Set screw anti-rotation device with knurl surface.
In accordance with embodiments of the present... |
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2012
|
Invention
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Adjustable hanger system and method.
An adjustable hanger system secures a hanger to a wellhead ... |
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2011
|
Invention
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Wellhead seal assembly lockdown system. A seal assembly (30) and a running tool (20) are provided... |
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|
Invention
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Wear bushing for locking to a wellhead. A wear bushing (10) and a running tool (32) are provided ... |
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|
Invention
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Seal assembly and method. A seal assembly (10) is provided for sealing between an interior surfac... |
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Invention
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Casing hanger lockdown sleeve. The lockdown mechanism (10) and running tool (50) are provided for... |
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Invention
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Riser tensioning system. The riser tensioning system (10) includes a tensioning ring (18) for sec... |
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2010
|
Invention
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Liner hanger running tool and method. A liner hanger running tool (10) and method are provided fo... |
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|
Invention
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Wellhead conversion system and method. Methods and systems relating to subsea wellhead orientatio... |
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2009
|
Invention
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Control module with dual ball valve assemblies.
A subsea control system may have a control modul... |
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2008
|
G/S
|
Equipment for use in drilling, completing and/or producing
oil and gas wells; namely, drilling a... |
|
|
Invention
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Low torque gate valve mechanism.
A gate valve apparatus provides a manually operated gate valve ... |
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2007
|
Invention
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Downhole tool with slip releasing mechanism. A downhole tool includes a lock for maintaining a sl... |
|
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Invention
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External pressure gasket.
A gasket having an upper surface, a substantially cylindrical inner su... |
|
|
Invention
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Gate valve actuator.
A gate valve actuator including an housing, a piston, a lower end closure, ... |
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Invention
|
Insert for high stress connection.
An insert for a high stress connection. The insert has a hous... |
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Invention
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Downhole tool with c-ring closure seat. A downhole tool (100) includes a closure seat (116, 176) ... |
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2005
|
Invention
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Sealing ring and method.
A sealing ring 10 is provided for sealing between truncated conical sur... |
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2003
|
Invention
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Method of installing flange on tubular body at desired elevation.
A method is disclosed of conne... |
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Invention
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Tie-back connection for subsea well.
A connection structure is disclosed for connecting a riser ... |
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1985
|
G/S
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Drilling equipment, namely, connectors and couplings for tubular goods and apparatus for suspendi... |
