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2018
|
Invention
|
Expansion chamber. An expansion chamber for use on a tubular includes a shell that is configured ... |
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2016
|
Invention
|
Devices and methods for forming bow springs of one-piece centralizers. A device for forming bow s... |
|
2015
|
Invention
|
Turned-down centralizer sub assembly. A centralizer assembly and method for manufacturing a centr... |
|
|
Invention
|
Multi-stage cementing tool and method. A downhole tool, multi-stage cementing tool, and method fo... |
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Invention
|
Cable clamp. A cable clamp, modified tubular, and method for securing a cable to a tubular. The c... |
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P/S
|
A coating applied by a thermal spraying process to pipes,
tubing, stop devices, wear bands, wear... |
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|
Invention
|
Collar swaging of single-piece centralizers. A method for manufacturing a centralizer. The method... |
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2014
|
Invention
|
Centralizer preconditioning and testing apparatus and method. Apparatus, methods, and systems for... |
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Invention
|
Chromium-free thermal spray composition, method, and apparatus. A composition, method for deposit... |
|
|
Invention
|
Wrap-around stop collar and method of forming. A stop collar for a tubular and method for install... |
|
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Invention
|
Wrap-around band tool connector and method of forming. A downhole tool including a body configure... |
|
|
Invention
|
Multi-vane centralizer and method of forming. A centralizer for centralizing a tubular in a wellb... |
|
|
Invention
|
Wrap-around band and sleeve attachment apparatus for an oilfield tubular. An attachment apparatus... |
|
|
Invention
|
Wrap-around band tool connector and method of forming.
A downhole tool including a body configur... |
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|
Invention
|
Rolled tubular centralizer. A method of forming a centralizer where a flat plate is created into ... |
|
|
Invention
|
Rolled tubular centralizer.
A method of forming a centralizer where a flat plate is created into... |
|
2010
|
Invention
|
Interference-fit stop collar and method of positioning a device on a tubular. A stop collar is as... |
|
|
Invention
|
Downhole vibration apparatus and methods.
A method of extending an earthen bore comprises the st... |
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2008
|
Invention
|
Low-clearance centralizer and method of making centralizer. A bow-spring centralizer (6) includes... |
|
2001
|
Invention
|
Expandable centralizer. A centralizer for laterally positioning an instrument in an opening large... |
|
1997
|
Invention
|
Non-metallic centralizer for casing. A non-metallic centralizer for casing having a tubular, plas... |
