Inventor · disambiguated record
Douglas Glenn Durst
Also filed as: DURST DOUGLAS · DURST DOUGLAS G · DURST DOUGLAS GLENN
11 granted patents·3 pending applications·281 citations·filing 1985–2021
90Inventor score
Technology areasE21B
Files withHALLIBURTON ENERGY SERVICES INC6HALLIBURTON ENERGY SERV INC4ENVENTURE GLOBAL TECHNOLOGY2CAMCO INC1
Top patents by PatentIndex Score
14 records- 0178US8360142B2High-ratio tubular expansionENVENTURE GLOBAL TECHNOLOGY·Filed 2010·Granted Jan 29, 2013·6 cites·18 claims
- 0277US6092601AApparatus for completing a subterranean well and associated methods of using sameHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Jul 25, 2000·80 cites·23 claims
- 0375US6116344AApparatus for completing a subterranean well and associated methods of using sameHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Sep 12, 2000·72 cites·14 claims
- 0474US10502028B2Expandable reentry completion deviceHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Dec 10, 2019·2 cites·18 claims
- 0571US11078737B2Self-orienting selective lockable assembly to regulate subsurface depth and positioningHALLIBURTON ENERGY SERVICES INC·Filed 2017·Granted Aug 3, 2021·2 cites·18 claims
- 0669US6076602AApparatus for completing a subterranean well and associated methods of using sameHALLIBURTON ENERGY SERV INC·Filed 1998·Granted Jun 20, 2000·57 cites·10 claims
- 0757US11634955B2Self-orienting selective lockable assembly to regulate subsurface depth and positioningHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Apr 25, 2023·0 cites·19 claims
- 0857US6059037AApparatus for completing a subterranean well and associated methods of using sameHALLIBURTON ENERGY SERV INC·Filed 1998·Granted May 9, 2000·39 cites·25 claims
- 0948US10989006B2Creation of a window opening/exit utilizing a single trip processHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Apr 27, 2021·0 cites·20 claims
- 1043US2016194930A1Multilateral wellbore stimulationHALLIBURTON ENERGY SERVICES INC·Filed 2013·Application pending·0 cites
- 1142US4600055ATubular well tool receiving conduitCAMCO INC·Filed 1985·Granted Jul 15, 1986·13 cites·5 claims
- 1240US2011048741A1Downhole telescoping tool with radially expandable membersENVENTURE GLOBAL TECHNOLOGY·Filed 2009·Application pending·0 cites
- 1338US2019010787A1Positionable and Removable Isolation Device in a WellboreHALLIBURTON ENERGY SERVICES INC·Filed 2016·Application pending·0 cites
- 1433US6056056AWhipstock millFiled 1998·Granted May 2, 2000·10 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →