Inventor · disambiguated record
Espen Dahl
Also filed as: DAHL ESPEN
10 granted patents·52 citations·filing 2012–2024
85Inventor score
Technology areasE21B
Top patents by PatentIndex Score
10 records- 0191US8678097B1System and method for circumferentially aligning a downhole latch subsystemHALLIBURTON ENERGY SERV INC·Filed 2013·Granted Mar 25, 2014·18 cites·11 claims
- 0289US10590741B2Dual bore co-mingler with multiple position inner sleeveHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Mar 17, 2020·11 cites·18 claims
- 0388US9951573B2Whipstock and deflector assembly for multilateral wellboresHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Apr 24, 2018·13 cites·19 claims
- 0484US11708747B2Open-hole pressure tight multilateral junctionHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Jul 25, 2023·2 cites·20 claims
- 0582US9140081B2System for circumferentially aligning a downhole latch subsystemHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Sep 22, 2015·7 cites·13 claims
- 0672US12497865B2Multilateral junctionHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Dec 16, 2025·0 cites·19 claims
- 0757US12006797B2Multilateral junctionHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Jun 11, 2024·0 cites·12 claims
- 0854US8967266B2Protection of casing lowside while milling casing exitPARLIN JOSEPH DEWITT·Filed 2012·Granted Mar 3, 2015·1 cites·23 claims
- 0950US12326060B2Wellbore anchor including one or more activation chambersHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Jun 10, 2025·0 cites·17 claims
- 1046US10927630B2Casing exit joint with guiding profiles and methods for useHALLIBURTON ENERGY SERVICES INC·Filed 2016·Granted Feb 23, 2021·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →