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Downhole adjustable bent sub |
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Jul 17 1989 |
Halliburton Company |
Downhole motor with an enlarged connecting rod housing |
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Jul 16 1990 |
NATIONAL OILWELL VARCO, L P |
Bendable drilling sub |
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Dec 31 1990 |
NATIONAL OILWELL VARCO, L P |
Adjustable bent sub |
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Jun 07 1990 |
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Downhole fluid motor composite torque shaft |
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Feb 18 1994 |
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Fluid powered stepping motor for rotating a downhole assembly relative to a supporting pipe string |
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Nov 28 1994 |
|
Directional drilling control method |
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May 21 1992 |
Halliburton Energy Services, Inc |
Straight/directional drilling device |
5542482, |
Nov 01 1994 |
Schlumberger Technology Corporation |
Articulated directional drilling motor assembly |
5617926, |
Aug 05 1994 |
Schlumberger Technology Corporation |
Steerable drilling tool and system |
5638910, |
Jul 26 1995 |
NATIONAL OILWELL VARCO, L P |
Downhole sub for directional drilling |
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May 24 1996 |
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Downhole drill bit drive motor assembly with an integral bilateral signal and power conduction path |
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Nov 01 1994 |
Schlumberger Technology Corporation |
Articulated directional drilling motor assembly |
5735357, |
May 10 1996 |
Radius Metier, Inc. |
Apparatus for and method of directional drilling |
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Apr 18 1997 |
Halliburton Energy Services, Inc |
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Jul 16 1996 |
Baker Hughes Incorporated |
Hydrostatic tool with electrically operated setting mechanism |
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Aug 09 1996 |
CANADIAN FRACMASTER LTD |
Orienting tool for coiled tubing drilling |
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May 21 1997 |
PEGASUS DRILLING TECHNOLOGIES, L L C |
Adjustable bend connection and method for connecting a downhole motor to a bit |
5934383, |
Jun 07 1996 |
Baker Hughes Incorporated |
Steering device for steerable drilling tool |
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Sep 26 1996 |
BP Amoco Corporation |
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Mar 15 1999 |
Schlumberger Technology Corporation |
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Apr 09 1998 |
Halliburton Energy Services, Inc |
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Aug 11 2010 |
Schlumberger Technology Corporation |
System and method for drilling a deviated wellbore |
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May 30 2012 |
B&W Mud Motors, LLC |
Drilling system, biasing mechanism and method for directionally drilling a borehole |
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Jul 20 2016 |
SMART DOWNHOLE TOOLS B.V. |
Downhole adjustable drilling inclination tool |
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AU2013399114, |
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Oct 06 2010 |
Boart Longyear Company |
Core barrel sleeve with axial grooves |
D649167, |
Oct 06 2010 |
Boart Longyear Company |
Core barrel head assembly with tapered design |
D664566, |
Oct 06 2010 |
Boart Longyear Company |
Core barrel retracting case |
D664567, |
Oct 06 2010 |
Boart Longyear Company |
Core barrel latch body |
D673182, |
Jul 29 2011 |
Nine Downhole Technologies, LLC |
Long range composite downhole plug |
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Jul 29 2011 |
Nine Downhole Technologies, LLC |
Compact composite downhole plug |
D789425, |
Dec 02 2015 |
ENTRO INDUSTRIES; ENTRO INDUSTRIES, INC |
Control panel |
D824429, |
May 10 2017 |
HOME DEPOT PRODUCT AUTHORITY, LLC |
Control housing |
EP497421, |
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EP3488070, |
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GB2442303, |
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Jul 19 2000 |
Schlumberger Technology Corporation |
Downhole adjustable bent housing for directional drilling |
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