Assignee
DEEP VISION LLC
US·7 granted patents·498 citations·filing 1998–2004
Top patents by PatentIndex Score
7 records- 0195US6415877B1Subsea wellbore drilling system for reducing bottom hole pressureDEEP VISION LLC·Filed 1999·Granted Jul 9, 2002·185 cites·49 claims
- 0291US6854532B2Subsea wellbore drilling system for reducing bottom hole pressureDEEP VISION LLC·Filed 2003·Granted Feb 15, 2005·84 cites·14 claims
- 0384US7114581B2Active controlled bottomhole pressure system & methodDEEP VISION LLC·Filed 2004·Granted Oct 3, 2006·55 cites·60 claims
- 0481US6527054B1Apparatus and method for the disposition of drilling solids during drilling of subsea oilfield wellboresDEEP VISION LLC·Filed 2000·Granted Mar 4, 2003·55 cites·39 claims
- 0578US6446737B1Apparatus and method for rotating a portion of a drill stringDEEP VISION LLC·Filed 2000·Granted Sep 10, 2002·52 cites·19 claims
- 0659US6173781B1Slip joint intervention riser with pressure seals and method of using the sameDEEP VISION LLC·Filed 1998·Granted Jan 16, 2001·56 cites·17 claims
- 0736US6408948B1Tubing handling for subsea oilfield tubing operationsDEEP VISION LLC·Filed 1999·Granted Jun 25, 2002·11 cites·4 claims
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