Inventor

KUEHNE DONALD L

US7 patents

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

CHEVRON RES & TECH

3 patents

US5363915ANov 15, 1994

Enhanced oil recovery technique employing nonionic surfactants

CHEVRON RES & TECH51 citations91

US5246072ASep 21, 1993

Method for enhancing the recovery of petroleum from an oil-bearing formation using a mixture including anionic and cationic surfactants

CHEVRON RES & TECH53 citations91

US5358045AOct 25, 1994

Enhanced oil recovery method employing a high temperature brine tolerant foam-forming composition

CHEVRON RES & TECH82 citations90

CHEVRON RES

1 patent

US4852652AAug 1, 1989

Chemical flooding with improved injectivity

CHEVRON RES31 citations90

CHEVRON USA INC

1 patent

US8022108B2Sep 20, 2011

Acid treatment of a fischer-tropsch derived hydrocarbon stream

CHEVRON USA INC9 citations76

CHEVRON USA

1 patent

US6905593B2Jun 14, 2005

Method for removing calcium from crude oil

CHEVRON USA11 citations68

DIECKMANN GUNTHER HANS

1 patent

US9028680B2May 12, 2015

Method and system for processing viscous liquid crude hydrocarbons

DIECKMANN GUNTHER HANS0 citations30