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Inventor

Ralph J. Korstad

Inventor
Austin, TX, US

Overview

6→
Patents
1978–1983
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
4,366,863'Enhanced oil recovery operations'19834,194,562'Method for preconditioning a subterranean oil-bearing formation prior to in-situ combustion'19804,166,502'High vertical conformance steam drive oil recovery method'19794,166,501'High vertical conformance steam drive oil recovery method'19794,166,503'High vertical conformance steam drive oil recovery method'19794,124,071'High vertical and horizontal conformance viscous oil recovery method'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1983Patents assigned to TEXACO INC (6)· patent assignee history
1978Based in Bellaire, TX, US· patent location history
1979–1983Based in Austin, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TEXACO INC61978–1983
Locations
LocationPatentsSpan
Austin, Texas, US51979–1983
Bellaire, Texas, US11978