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Shackle clamp assembly |
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2021-06-15 |
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Swivel pressure head and method of use |
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2019-02-26 |
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Drillstring swivel torque monitor |
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2012-05-08 |
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Entry swivel apparatus and method |
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2010-09-14 |
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Threaded tubular connection |
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2010-09-14 |
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Threaded tubular connection having interlocking tubular end structures |
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2008-10-14 |
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Side entry apparatus and method |
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2008-07-01 |
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Side entry apparatus and method |
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2008-05-27 |
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Side entry apparatus and method |
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2008-01-08 |
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Side entry apparatus and method |
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2007-01-30 |
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High torque and high capacity rotatable center core with ram body assemblies |
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2006-03-14 |
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Locking swivel apparatus with replaceable internal gear members |
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2006-02-07 |
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Locking swivel apparatus with a supplemental internal locking mechanism |
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2005-07-12 |
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Method and apparatus for controlling well pressure while undergoing subsea wireline operations |
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2005-07-05 |
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Torque swivel and method of using same |
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2004-09-28 |
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High torque and high capacity rotatable center core and floatable sealed body assemblies with universals ram applications and method |
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2003-11-25 |
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High torque and high capacity rotatable center core and floatable sealed body assemblies with universal RAM applications and method |
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2003-10-28 |
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Torque swivel and method of using same |
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2003-04-29 |
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Method and apparatus for controlling well pressure while undergoing wireline operations on subsea blowout preventers |
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2002-04-09 |
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System for using inert gas in oil recovery operations |
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2002-03-19 |
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System for measuring the direction and revolution of a production string |
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2001-08-21 |