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Downhole tool movement control system and method of use |
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Downhole tool movement control system and method of use |
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Vortex plunger arrangement |
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Joshua Lee Downs, Mark Ivan Nikolic, Paul T. Snow, Vikram H. Pandya, Alex Jay Campise |
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Vortex plunger arrangement |
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Dynamic seal pad plunger arrangement |
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Plunger lift control system arrangement |
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Staging tool seal arrangement for gas wells |
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2012-06-19 |
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2000-08-01 |
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Method of rekeying roaming communication units |
Kevin Gardeck, Kevin M. Cutts |
1995-11-28 |
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Method for over the air rekeying of multiple communication groups |
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1995-01-10 |
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Boat bumper |
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1986-04-29 |