Inventor

WALSER DOUG

US4 patents

⚠️ This page may combine multiple inventors who share the name “WALSER DOUG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BJ SERVICES CO

2 patents

US7210528B1May 1, 2007

Method of treatment subterranean formations using multiple proppant stages or mixed proppants

BJ SERVICES CO144 citations97

US7472751B2Jan 6, 2009

Method of treating subterranean formations using mixed density proppants or sequential proppant stages

BJ SERVICES CO59 citations96

BRANNON HAROLD DEAN

1 patent

US8127850B2Mar 6, 2012

Method of treating subterranean formations using sequential proppant stages

BRANNON HAROLD DEAN54 citations96

BAKER HUGHES INC

1 patent

US7918277B2Apr 5, 2011

Method of treating subterranean formations using mixed density proppants or sequential proppant stages

BAKER HUGHES INC61 citations96