2016
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Invention
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Circulation subassembly. The present invention relates to acirculation subassembly (circsub) for ... |
|
Invention
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Circulation subassembly. Circulation Subassembly The present invention relates to acirculat... |
|
Invention
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Circulation subassembly. Circulation Subassembly The present invention relates to acirculation su... |
2015
|
Invention
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Disconnect and other devices for downhole assembly. A downhole tool for incorporation in a drill ... |
2009
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Invention
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Disconnect device for downhole assembly. A downhole tool for incorporation in a drill pipe for se... |
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Invention
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Disconnect and other devices for downhole assembly. A downhole tool for incorporation in a ... |