US3033761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon prospecting
Assignee: Individual
•
Filing: 1959-09-03
•
Granted: 1962-05-08
•
Expires: 1979-09-03
Abstract
No abstract record available.
Inventors
- 👤 Lewis R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:19
CPC Classifications
G; G01; G01V; G01V9/00; G01V9/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A METHOD OF PROSPECTING FOR SUBTERRANEAN DEPOSITS OF PETROLEUM, THE STEPS COMPRISING: TAKING EARATH SAMPLES AT A PLURALITY OF LOCATIONS WITHIN AN AREA TO BE PROSPECTED; TAKING ALIQUOTS OF EACT SAID SAMPLES, A GROUP OF ALIPUOTS REPRESENTING A SAID SAMPLE; AND SUBJECTING EACH OF SAID GROUPS OF ALIPQUOTS TO A TEST TO DETERMINE THE PRESENCE OF MICROBIOLOGICAL ENTITIES CAPABLE OF CONSUMING AT LEAST THREE HYDROCARBON SPECIES CHOSEN FROM THE GROUP CONSISTING OF GASEOUS HYDROCARBONS HIGHER THAT METHANE, EACH OF SAID CHOSEN HYDROCARBONS BEING TESTED SEPARATELY ON ONE OF SAID ALIQUOTS.
Claim 2
Dependent Claim
91 words
IN A METHOD OF PROSPECTING FOR SUBTERRANEAN DEPOSITS OF PETROLEUM, THE STEPS COMPRISING: TAKING EARATH SAMPLES AT A PLURALITY OF LOCATIONS WITHIN AN AREA TO BE PROSPECTED; TAKING ALIQUOTS OF EACT SAID SAMPLES, A GROUP OF ALIPUOTS REPRESENTING A SAID SAMPLE; AND SUBJECTING EACH OF SAID GROUPS OF ALIPQUOTS TO A TEST TO DETERMINE THE PRESENCE OF MICROBIOLOGICAL ENTITIES CAPABLE OF CONSUMING AT LEAST THREE HYDROCARBON SPECIES CHOSEN FROM THE GROUP CONSISTING OF GASEOUS HYDROCARBONS HIGHER THAT METHANE, EACH OF SAID CHOSEN HYDROCARBONS BEING TESTED SEPARATELY ON ONE OF SAID ALIQUOTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |