Inventor
Russell D. Shupe
Inventor
Houston, TX, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere43%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests26%
E21BEarth or rock drilling22%
C02FTreatment of water, waste water, sewage, or sludge9%
PatentTitleYear
4,886,120'Process for secondary oil recovery utilizing propoxylated ethoxylated surfactants in seawater'19894,269,271'Emulsion oil recovery process usable in high temperature, high salinity formations'19814,175,618'High vertical and horizontal conformance thermal oil recovery process'19794,088,189'Surfactant oil recovery process usable in high temperature formations containing high salinity water'19784,077,471'Surfactant oil recovery process usable in high temperature, high salinity formations'19784,018,278'Surfactant oil recovery process usable in high temperature formations'19773,979,315'Method for treating scale'19763,975,282'Composition and method for treating scale'19763,946,814'Method for oil recovery'19763,946,813'Method for stimulating well production'19763,945,439'Method for oil recovery'19763,945,438'Method for stimulating well production'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1981Patents assigned to TEXACO INC (11)· patent assignee history
1976–1978Based in Houston, TX, US· patent location history
1979–1989Based in Ponca City, OK, US· patent location history
1989Patents assigned to CONOCO INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXACO INC | 11 | 1976–1981 |
| CONOCO INC | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 9 | 1976–1978 |
| Ponca City, OK, US | 3 | 1979–1989 |