Patent US2665237A successfully refreshed from Google Patents.
US2665237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prospecting
Assignee: Texaco Development Corp
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Filing: 1950-05-08
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Granted: 1954-01-05
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Expires: 1970-05-08
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Strawinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:30
CPC Classifications
G; G01; G01V; G01V9/00; G01V9/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A METHOD FOR PROSPECTING FOR SUBTERRANEAN PETROLEUM DEPOSITS CHARACTERIZED BY THE DISCHARGE OF A HYDROCARBON GAS IN THE EARTH SURFACE COMPRISING THE STEPS OF COLLECTING SOIL SAMPLES IN THE AREA BEING PROSPECTED, CONTACTING ALIQUOTS OF SAID SOIL SAMPLES UNDER INCUBATING CONDITIONS WITH A GAS MIXTURE COMPRISING A GASEOUS ALIPHATIC HYDROCARBON AND OXYGEN, SAID GAS MIXTURE BEING CAPABLE OF UTILIZATION BY HYDROCARBON-CONSUMING MICROORGANISMS WHOSE PRESENCE IS INDICATIVE OF SUB-SURFACE PETROLEUM DEPOSITS, EFFECTING SAID CONTACT IN THE PRESENCE OF A SUBSTANTIAL AMOUNT OF ADDED INORGANIC SALT NUTRIENT MEDIUM, SAID MEDIUM BEING SELECTED SO AS TO ENCOURAGE OPTIMUM GROWTH OF SAID HYDROCARBON-CONSUMING MICROORGANISMS AND EMPLOYED IN AN AMOUNT SUFFICIENT TO ELIMINATE VARIABLE OF MOISTURE AND NUTRIENT CONTENT OF SAID SOIL SAMPLES AND TO MAINTAIN THE PH OF SAID INCUBATING MIXTURE AT A LEVEL CONDUCTIVE TO OPTIMUM GROWTH OF SAID HYDROCARBON-CONSUMING MICROORGANISMS, DETERMING THE RELATIVE RATES OF HYDROCARBON GAS CONSUMPTION IN SAID GAS MIXTURE BY SAID SOIL SAMPLES UNDER SAID GROWTH CONDITIONS AND CORRELATING SAID RATES WITH THE AREA BEING PROSPECTED.
Claim 2
Independent Claim
167 words
A METHOD FOR PROSPECTING FOR SUBTERRANEAN PETROLEUM DEPOSITS CHARACTERIZED BY THE DISCHARGE OF A HYDROCARBON GAS IN THE EARTH SURFACE COMPRISING THE STEPS OF COLLECTING SOIL SAMPLES IN THE AREA BEING PROSPECTED, CONTACTING ALIQUOTS OF SAID SOIL SAMPLES UNDER INCUBATING CONDITIONS WITH A GAS MIXTURE COMPRISING A GASEOUS ALIPHATIC HYDROCARBON AND OXYGEN, SAID GAS MIXTURE BEING CAPABLE OF UTILIZATION BY HYDROCARBON-CONSUMING MICROORGANISMS WHOSE PRESENCE IS INDICATIVE OF SUB-SURFACE PETROLEUM DEPOSITS, EFFECTING SAID CONTACT IN THE PRESENCE OF A SUBSTANTIAL AMOUNT OF ADDED INORGANIC SALT NUTRIENT MEDIUM, SAID MEDIUM BEING SELECTED SO AS TO ENCOURAGE OPTIMUM GROWTH OF SAID HYDROCARBON-CONSUMING MICROORGANISMS AND EMPLOYED IN AN AMOUNT SUFFICIENT TO ELIMINATE VARIABLE OF MOISTURE AND NUTRIENT CONTENT OF SAID SOIL SAMPLES AND TO MAINTAIN THE PH OF SAID INCUBATING MIXTURE AT A LEVEL CONDUCTIVE TO OPTIMUM GROWTH OF SAID HYDROCARBON-CONSUMING MICROORGANISMS, DETERMING THE RELATIVE RATES OF HYDROCARBON GAS CONSUMPTION IN SAID GAS MIXTURE BY SAID SOIL SAMPLES UNDER SAID GROWTH CONDITIONS AND CORRELATING SAID RATES WITH THE AREA BEING PROSPECTED.
References Cited (Backward Citations)
US2349472A
Cited
US2294425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |