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Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps |
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Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps |
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Downhole coring tools and methods of coring |
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| RE39970 |
Downhole adjustable bent housing for directional drilling |
— |
2008-01-01 |
| 6394193 |
Downhole adjustable bent housing for directional drilling |
— |
2002-05-28 |
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Articulated directional drilling motor assembly |
Alan Martyn Eddison |
1998-03-17 |
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Downhole adjustable stabilizer |
Alan Martyn Eddison |
1993-01-26 |
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Directional drilling methods and apparatus |
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1992-08-18 |
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Downhole adjustable bent assemblies |
— |
1992-06-02 |
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Hydraulic drilling jar |
— |
1991-07-23 |
