Inventor

GUTHRIE CHARLES F

US4 patents

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

CHEVRON USA INC

2 patents

US7797139B2Sep 14, 2010

Optimized cycle length system and method for improving performance of oil wells

CHEVRON USA INC7 citations71

US6446721B2Sep 10, 2002

System and method for scheduling cyclic steaming of wells

CHEVRON USA INC13 citations65

CHEVRON RES & TECH

1 patent

US5260240ANov 9, 1993

Process for the demetallization of FCC catalyst

CHEVRON RES & TECH49 citations91

SCHLUMBERGER TECHNOLOGY CORP

1 patent

US7565305B2Jul 21, 2009

Apparatus and method to estimate the value of a work process and determine gaps in current and desired states

SCHLUMBERGER TECHNOLOGY CORP3 citations50