Patent US3345137A successfully refreshed from Google Patents.
US3345137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geochemical method of prospecting for petroleum
Assignee: Chevron USA Inc
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Filing: 1965-09-24
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Granted: 1967-10-03
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Expires: 1985-09-24
Abstract
No abstract record available.
Inventors
- 👤 Clayton D Mcauliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:48
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/18; G01N33/1826; G01N33/1833; G01V; G01V9/00; G01V9/007; Y; Y10; Y10T; Y10T436/00; Y10T436/21; Y10T436/212
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A METHOD OF DETERMINING THE PRESENCE OF A SUBTERRANEAN DEPOSIT OF PETROLEUM BY ANALYZING SAMPLES FOR THE PRESENCE THEREIN OF MINUTE QUANTITIES OF HYDROCARBONS COMPRISING COLLECTING A PLURALILTY OF WATER SAMPLES FROM LATERALLY SPACED-APART SURCACE AND NEAR-SURFACE LOCATIONS OF THE EARTH, ANALYZING EACH OF SAID SAMPLES FOR THE PRESENCE OF HYDROCARBONS CONTAINING FROM TWO THROUGH SEVEN CARBON ATOMS, PLOTTING SEPARATELY ON A MAP AT A POSITION CORRESPONDING TO THE LOCATION OF THE EARTH ABOVE WHERE EACH SAMPLE WAS COLLECTED THE TOTAL CONCENTRATION OF HYDROCARBONS HAVING FROM TWO THROUGH FIVE CARBON ATOMS AND THE TOTAL CONCENTRATION OF HYDROCARBONS HAVING SIX AND SEVEN CARBON ATOMS AND DRILLING AN EXPLORATORY WELL AT A LOCATION OF THE EARTH CORRESPONDING TO A LOCATION ON SAID MAP WHERE ANOMALOUS HIGHS IN BOTH HYDROCARBONS HAVING FROM 2 TO 5 CARBON ATOMS AND HYDROCARBONS HAVING 6 TO 7 CARBON ATOMS OCCUR.
Claim 2
Independent Claim
143 words
A METHOD OF DETERMINING THE PRESENCE OF A SUBTERRANEAN DEPOSIT OF PETROLEUM BY ANALYZING SAMPLES FOR THE PRESENCE THEREIN OF MINUTE QUANTITIES OF HYDROCARBONS COMPRISING COLLECTING A PLURALILTY OF WATER SAMPLES FROM LATERALLY SPACED-APART SURCACE AND NEAR-SURFACE LOCATIONS OF THE EARTH, ANALYZING EACH OF SAID SAMPLES FOR THE PRESENCE OF HYDROCARBONS CONTAINING FROM TWO THROUGH SEVEN CARBON ATOMS, PLOTTING SEPARATELY ON A MAP AT A POSITION CORRESPONDING TO THE LOCATION OF THE EARTH ABOVE WHERE EACH SAMPLE WAS COLLECTED THE TOTAL CONCENTRATION OF HYDROCARBONS HAVING FROM TWO THROUGH FIVE CARBON ATOMS AND THE TOTAL CONCENTRATION OF HYDROCARBONS HAVING SIX AND SEVEN CARBON ATOMS AND DRILLING AN EXPLORATORY WELL AT A LOCATION OF THE EARTH CORRESPONDING TO A LOCATION ON SAID MAP WHERE ANOMALOUS HIGHS IN BOTH HYDROCARBONS HAVING FROM 2 TO 5 CARBON ATOMS AND HYDROCARBONS HAVING 6 TO 7 CARBON ATOMS OCCUR.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |