Inventor · disambiguated record
Kris J. Nygaard
Also filed as: NYGAARD KRIS J
11 granted patents·1 pending application·1,381 citations·filing 1990–2019
93Inventor score
Top patents by PatentIndex Score
12 records- 0198US6543538B2Method for treating multiple wellbore intervalsEXXONMOBIL UPSTREAM RES CO·Filed 2001·Granted Apr 8, 2003·461 cites·46 claims
- 0297US7059407B2Method and apparatus for stimulation of multiple formation intervalsEXXONMOBIL UPSTREAM RES CO·Filed 2005·Granted Jun 13, 2006·117 cites·2 claims
- 0397US6394184B2Method and apparatus for stimulation of multiple formation intervalsEXXONMOBIL UPSTREAM RES CO·Filed 2001·Granted May 28, 2002·363 cites·68 claims
- 0496US6520255B2Method and apparatus for stimulation of multiple formation intervalsEXXONMOBIL UPSTREAM RES CO·Filed 2002·Granted Feb 18, 2003·189 cites·52 claims
- 0589US6957701B2Method and apparatus for stimulation of multiple formation intervalsEXXONMOBILE UPSTREAM RES COMPA·Filed 2002·Granted Oct 25, 2005·75 cites·48 claims
- 0687US6672405B2Perforating gun assembly for use in multi-stage stimulation operationsEXXONMOBIL UPSTREAM RES CO·Filed 2002·Granted Jan 6, 2004·84 cites·50 claims
- 0783US8490685B2Method and apparatus associated with stimulation treatments for wellsTOLMAN RANDY C·Filed 2006·Granted Jul 23, 2013·31 cites·31 claims
- 0877US5040560AMethod and apparatus for controlled modification of fluid flowGLEZER ARI·Filed 1990·Granted Aug 20, 1991·54 cites·12 claims
- 0968US9945218B2Sytems and methods for re-completing multi-zone wellsTOLMAN RANDY C·Filed 2013·Granted Apr 17, 2018·3 cites·13 claims
- 1067US9963960B2Systems and methods for stimulating a multi-zone subterranean formationTOLMAN RANDY C·Filed 2013·Granted May 8, 2018·3 cites·34 claims
- 1158US9765592B2Systems and methods for secondary sealing of a perforation within a wellbore casingTOLMAN RANDY C·Filed 2013·Granted Sep 19, 2017·1 cites·36 claims
- 1242US2020141201A1Carrier Device for Downhole TransportEXXONMOBIL UPSTREAM RES CO·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →