Inventor
NYGAARD KRIS J
US11 patents
⚠️ This page may combine multiple inventors who share the name “NYGAARD KRIS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EXXONMOBIL UPSTREAM RES CO
5 patentsUS6543538B2Apr 8, 2003
Method for treating multiple wellbore intervals
EXXONMOBIL UPSTREAM RES CO461 citations98
US6394184B2May 28, 2002
Method and apparatus for stimulation of multiple formation intervals
EXXONMOBIL UPSTREAM RES CO363 citations98
US7059407B2Jun 13, 2006
Method and apparatus for stimulation of multiple formation intervals
EXXONMOBIL UPSTREAM RES CO117 citations97
US6672405B2Jan 6, 2004
Perforating gun assembly for use in multi-stage stimulation operations
EXXONMOBIL UPSTREAM RES CO84 citations97
US6520255B2Feb 18, 2003
Method and apparatus for stimulation of multiple formation intervals
EXXONMOBIL UPSTREAM RES CO189 citations97
TOLMAN RANDY C
4 patentsUS8490685B2Jul 23, 2013
Method and apparatus associated with stimulation treatments for wells
TOLMAN RANDY C31 citations88
US9945218B2Apr 17, 2018
Sytems and methods for re-completing multi-zone wells
TOLMAN RANDY C3 citations72
US9963960B2May 8, 2018
Systems and methods for stimulating a multi-zone subterranean formation
TOLMAN RANDY C3 citations70
US9765592B2Sep 19, 2017
Systems and methods for secondary sealing of a perforation within a wellbore casing
TOLMAN RANDY C1 citations51