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2025
|
Invention
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Gear reducer. Apparatus and methods relate to a gear reducer, which may be used downhole to reduc... |
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|
P/S
|
Drilling equipment, namely drilling motors, friction reduction tools, rotary steerable tools, and... |
|
|
P/S
|
Drilling equipment, namely drilling motors, friction
reduction tools, rotary steerable tools, an... |
|
2024
|
P/S
|
Drilling equipment, namely, drilling motors, friction reduction tools, rotary steerable tools, an... |
|
|
Invention
|
Mwd isolation device. An isolator for use with a drill string comprises a low frequency portion a... |
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2023
|
P/S
|
Friction reduction tool used in downhole drilling for oil, gas, and geothermal wells |
|
|
P/S
|
Friction reduction tool used in downhole drilling for oil,
gas, and geothermal wells (terms cons... |
|
|
P/S
|
friction reduction tool specially adapted to drilling machines used in downhole drilling for oil,... |
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2022
|
Invention
|
Downhole vibration tool. A downhole vibration tool includes a body, a mandrel, a spring, and a ba... |
|
|
P/S
|
downhole drilling equipment for oil, gas and geothermal wells, namely, drilling motors directiona... |
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2021
|
Invention
|
Downhole tool actuators and indexing mechanisms. A downhole tool control apparatus includes a con... |
|
2020
|
P/S
|
Downhole drilling equipment for oil, gas and geothermal wells Rental of downhole drilling equipme... |
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|
Invention
|
Compound angle bearing assembly. A bearing housing for a bottomhole assembly of a downhole tool i... |
|
|
Invention
|
Rotor catch for bottomhole assembly. A rotor catch assembly includes a rotor catch housing and a ... |
|
2019
|
P/S
|
Directional drilling services for oil, gas and geothermal wells; rental of a downhole drilling mo... |
|
|
P/S
|
Directional drilling services for oil, gas and geothermal wells, namely, providing equipment in t... |
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2018
|
Invention
|
Downhole tool with externally adjustable internal flow area. A downhole tool includes an outer su... |
|
|
Invention
|
Articulated universal joint with backlash reduction. A universal joint includes a joint housing a... |
|
|
Invention
|
Articulated universal joint with backlash reduction.
A universal joint includes a join... |
|
|
P/S
|
Drilling services for oil, gas and geothermal wells, namely, rental of computer software for a we... |
|
|
Invention
|
Method and apparatus for generating a low frequency pulse in a wellbore. A pressure pulse tool in... |
|
|
Invention
|
Method and apparatus for generating a low frequency pulse in a wellbore.
A pressure pu... |
|
2017
|
P/S
|
Drilling tools (power operated), drilling rods, drilling machines and drilling rigs, including we... |
|
|
P/S
|
Drilling services for oil, gas and geothermal wells, namely, providing equipment in the nature of... |
|
2016
|
Invention
|
Offset shaft bearing assembly. An offset shaft bearing assembly includes a drive shaft extending ... |
|
2015
|
P/S
|
Directional drilling services for oil gas and geothermal wells, namely, providing equipment in th... |
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2013
|
P/S
|
Downhole directional drilling tools, namely, downhole positive displacement drilling motors and a... |
|
|
P/S
|
Down hole directional drilling tools for oil, gas and geothermal wells that include at least a po... |
|
|
P/S
|
Directional drilling services for oil, gas and geothermal wells using a downhole tool that uses h... |
|
|
P/S
|
Directional drilling services for oil, gas and geothermal wells, rental of downhole drilling tool... |
|
|
P/S
|
Directional drilling services for oil, gas and geothermal wells using a telescoping tool that sho... |
|
2012
|
P/S
|
Directional drilling services for oil, gas and geothermal
wells; rental of downhole drilling too... |
|
2010
|
Invention
|
Bearing assembly for use in earth drilling. A bearing assembly has an outer housing, and an inner... |
|
2009
|
P/S
|
Directional drilling services for oil, gas and geothermal wells; rental of downhole drilling tool... |
