2021
|
Invention
|
Systems and methods for sensing engagement in hazardous rated environments. A riser sensor unit i... |
2020
|
Invention
|
High pressure blowout preventer system. A blowout preventer system including a lower blowout prev... |
2019
|
Invention
|
Graphical indexing for life cycle management of drilling system assets. Provided is a life cycle ... |
|
Invention
|
Centralizing and protecting sabot. A system for setting a seal (200, 300, 400) in a wellbore incl... |
|
Invention
|
System and method for reducing setting loads. An energizing ring (200, 400, 600) for setting a do... |
|
Invention
|
Wellhead profile with increased fatigue resistance. A wellhead (34) includes a wellhead body and ... |
|
Invention
|
Metal-to-metal annulus wellhead style seal with pressure energized from above and below. A system... |
|
Invention
|
Wiper seal system and method. Embodiments of the present disclosure describe a piston cylinder ar... |
|
Invention
|
Ported u-cup annular wellhead hanger seal. A system is disclosed as including an enclosed space w... |
|
Invention
|
Wellhead profile with increased fatigue resistance. A wellhead includes a wellhead body and a loc... |
2018
|
Invention
|
System and method for reducing setting loads. Embodiments include an energizing ring for setting ... |
|
Invention
|
Centralizing and protecting sabot. Embodiments include a system for setting a seal in a wellbore ... |
|
Invention
|
Hardfaced metal surface and method of manufacture. An apparatus is disclosed as including a first... |
|
Invention
|
Tubing hanger setting confirmation system. A subsea wellhead assembly provides a positive indicat... |
|
Invention
|
Wiper seal system and method. Embodiments of the present disclosure include systems and methods w... |
|
Invention
|
Dual bit run bushing system and method. A system includes a housing section positioned within a w... |
2017
|
Invention
|
Systems and methods for monitoring subsea wellhead systems.
A system includes a wellhead monitor... |
|
Invention
|
Inverted pull-up riser tensioner. Embodiments of the present disclosure include a riser tensioner... |
2016
|
Invention
|
Wellhead seal with pressure energizing from below. An annular seal for sealing an interface betwe... |
|
Invention
|
Tensioner cylinder with internal gas bladder in high pressure chamber. A hydraulic cylinder enclo... |
|
Invention
|
Wickers with trapped fluid recesses for wellhead assembly. A wellhead assembly includes a wellhea... |
|
Invention
|
Thread form for connector collar of offshore well riser pipe. A pipe connection includes a pin ha... |
|
Invention
|
Drop in anti-rotation key. A tubular member connection system includes a box having an inner diam... |
|
Invention
|
Wellhead metal seal with energizing ring having trapped fluid reliefs. A wellhead housing has a b... |
2015
|
Invention
|
Remotely operated external tieback connector. An external tieback connector secures to a lower en... |
|
Invention
|
Wellbore seal energizing ring with retaining feature. A wellhead assembly includes an outer wellh... |
|
Invention
|
Wellhead seal assembly with lockdown and slotted arrangement. A wellhead assembly has a casing ha... |
|
Invention
|
Pre-installed anti-rotation key for threaded connectors. A tubular member connection system inclu... |
|
Invention
|
Anti-rotation key for threaded connectors. A tubular member connection system includes a pin havi... |
|
Invention
|
External locking mechanism for seal energizing ring. A wellhead housing has a bore with a landing... |
|
Invention
|
Internal tieback with outer diameter sealing capability. A method for tying back a subsea well as... |
|
Invention
|
System and method for monitoring tool orientation in a well. A system for monitoring the orientat... |
|
Invention
|
Valve vented redundant stem seal system. A valve stem packing assembly can seal a valve stem to a... |
2014
|
Invention
|
Hydraulic lockdown. A subsea well connector for connecting a tubular member to a subsea wellhead ... |
|
Invention
|
Positive retention lock ring for tubing hanger. A wellhead assembly includes a wellhead housing w... |
|
Invention
|
Insert for use with wellhead housing having flow-by path. A wellhead assembly having an insert th... |
|
Invention
|
High strength inlay to improve lock-down capacity in a wellhead. A wellhead assembly includes a w... |
|
Invention
|
Method and system for retaining a lock ring on a casing hanger. A retention system for limiting a... |
|
Invention
|
Flow-by holes with gallery and channel arrangement on wellhead and tubular hanger. A wellhead ass... |
|
Invention
|
Stress amplification factor analysis methodology for assessing fatigue performance of threaded co... |
|
Invention
|
Ratcheted e-ring retention device. A wellhead assembly includes an outer tubular wellhead member ... |
|
Invention
|
Alignment guide feature for metal to metal seal protection on mechanical connections and coupling... |
|
Invention
|
Device for thermally insulating one or more elements of a subsea installation from ambient cold s... |
|
Invention
|
Wear bushing with hanger lockdown. A wear bushing assembly protects and locks down a hanger in a ... |
2013
|
Invention
|
Multi-valve seat seal assembly for a gate valve. A gate valve for use in oil field applications a... |
|
Invention
|
Gate valve real time health monitoring system, apparatus, program code and related methods. Syste... |
|
Invention
|
Tubing hanger annulus access perforated stem design. A wellhead assembly including a tubing hange... |
|
Invention
|
Sensing magnetized portions of a wellhead system to monitor fatigue loading. A wellhead assembly ... |