Inventor · disambiguated record
Darryl A. Bourgoyne
Also filed as: BOURGOYNE DARRYL · BOURGOYNE DARRYL A
7 granted patents·1 pending application·1,097 citations·filing 1998–2015
91Inventor score
Technology areasE21B
Top patents by PatentIndex Score
8 records- 0198US7258171B2Internal riser rotating control headWEATHERFORD LAMB·Filed 2005·Granted Aug 21, 2007·116 cites·177 claims
- 0296US7159669B2Internal riser rotating control headWEATHERFORD LAMB·Filed 2002·Granted Jan 9, 2007·169 cites·154 claims
- 0396US6470975B1Internal riser rotating control headWEATHERFORD LAMB·Filed 2000·Granted Oct 29, 2002·211 cites·36 claims
- 0494US6913092B2Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drillingWEATHERFORD LAMB·Filed 2001·Granted Jul 5, 2005·131 cites·34 claims
- 0592US6263982B1Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drillingWEATHERFORD HOLDING U S INC·Filed 1999·Granted Jul 24, 2001·169 cites·30 claims
- 0691US6138774AMethod and apparatus for drilling a borehole into a subsea abnormal pore pressure environmentWEATHERFORD HOLDING U S INC·Filed 1998·Granted Oct 31, 2000·251 cites·18 claims
- 0781US7448454B2Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drillingWEATHERFORD LAMB·Filed 2004·Granted Nov 11, 2008·50 cites·42 claims
- 0835US2016017684A1Locking system for a blowout preventer functionBOURGOYNE DARRYL·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →