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2024
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G/S
|
Oil and gas well drilling equipment, namely, downhole drilling machines |
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|
Invention
|
Selectively activated friction reduction tool and method. A friction reduction tool configured fo... |
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2023
|
Invention
|
Selectively activated friction reduction tool and method.
A friction reduction tool configured f... |
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2022
|
Invention
|
Oscillation reduction tool and method. An oscillation reduction tool configured to prevent or red... |
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|
G/S
|
oil and gas well drilling equipment, namely, drill bits |
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2021
|
Invention
|
Method of drilling a wellbore. A downhole drilling motor includes a motor housing having an inner... |
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G/S
|
Oil field equipment, namely, electric drilling motors for downhole use |
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2020
|
Invention
|
Wear resistant vibration assembly and method. A vibration assembly includes a valve above a rotor... |
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|
Invention
|
Bent housing drilling motor with counter-rotating lower end. A drilling assembly includes a power... |
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2019
|
Invention
|
Mud-lubricated bearing assembly with lower seal. A mud-lubricated bearing section including a sea... |
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|
Invention
|
Integrated bearing section and method. An integrated bearing section includes a mandrel partially... |
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2018
|
Invention
|
Vibration assembly and method. A downhole vibration assembly includes a valve positioned above a ... |
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|
Invention
|
Hammer drill.
A downhole apparatus connected to a workstring within a wellbore. The workstring i... |
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|
G/S
|
oil and gas well drilling equipment, namely, downhole drilling machines rental of oil and gas wel... |
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2017
|
Invention
|
Radial ball bearing and method. A bearing section for a mandrel at least partially disposed withi... |
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|
Invention
|
Drilling motor with bypass and method. A downhole drilling motor includes a motor housing having ... |
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|
Invention
|
Downhole extended reach tool and method. A downhole tool includes a valve assembly and a shock ab... |
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2016
|
Invention
|
Cv joint for drilling motor and method. A CV joint for a downhole drilling motor includes a cente... |
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2015
|
Invention
|
Hammer drill. A downhole apparatus connected to a workstring within a wellbore. The workstring is... |
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2013
|
Invention
|
Mud motor bearing assembly and method. A mud motor bearing assembly for use in drilling a hydroca... |
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2010
|
Invention
|
Downhole vibration dampener. A down hole vibration dampener is disclosed that uses a set of polyu... |
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2008
|
Invention
|
Adjustable bent housing apparatus and method. An apparatus for controlling the direction of drill... |
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2005
|
Invention
|
Process for manufacturing a bearing. A process for manufacturing a bearing. The bearing may be us... |
