US2742575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geochemical exploration method
Assignee: ExxonMobil Oil Corp
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Filing: 1952-07-14
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Granted: 1956-04-17
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Expires: 1972-07-14
Abstract
No abstract record available.
Inventors
- 👤 Ellis E Bray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:24
CPC Classifications
G; G01; G01V; G01V9/00; G01V9/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
THE METHOD OF GEOCHEMICAL EXPLORATION FOR A SUBTERRANEAN PETROLEUM RESERVOIR COMPRISING COLLECTING EARTH SAMPLES FROM AN EXPLORATION ZONE, OBTAINING AN EXTRACT FROM EACH OF SAID EARTH SAMPLES CONTAINING ANY HYDROCARBONS AND ORGANIC DERIVATIVES THEREOF WHICH MAY HAVE BEEN PRESENT IN SAID EARTH SAMPLES, TRANSMITTING THROUGH EACH OF SAID EXTRACTS INFRARED RADIATION HAVING A RANGE OF WAVE LENGTHS WHICH INCLUDES THE WAVE LENGTHS OF 12.35$.10 MICRONS AND 13.40$.10 MICRONS, AND DETERMINING THE EXTENT OF ABSORPTION OF THE INFRARED RADIATION OVER A RANGE OF WAVE LENGTHS WHICH INCLUDES AT LEAST THE WAVE LENGTH OF 12.35$.10 MICRONS AND OVER A RANGE OF WAVE LENGTHS WHICH INCLUDES AT LEAST THE WAVE LENGTH OF 13.40$.10 MICRONS TRANSMITTED THROUGH EACH OF SAID EXTRACTS.
Claim 2
Independent Claim
117 words
THE METHOD OF GEOCHEMICAL EXPLORATION FOR A SUBTERRANEAN PETROLEUM RESERVOIR COMPRISING COLLECTING EARTH SAMPLES FROM AN EXPLORATION ZONE, OBTAINING AN EXTRACT FROM EACH OF SAID EARTH SAMPLES CONTAINING ANY HYDROCARBONS AND ORGANIC DERIVATIVES THEREOF WHICH MAY HAVE BEEN PRESENT IN SAID EARTH SAMPLES, TRANSMITTING THROUGH EACH OF SAID EXTRACTS INFRARED RADIATION HAVING A RANGE OF WAVE LENGTHS WHICH INCLUDES THE WAVE LENGTHS OF 12.35$.10 MICRONS AND 13.40$.10 MICRONS, AND DETERMINING THE EXTENT OF ABSORPTION OF THE INFRARED RADIATION OVER A RANGE OF WAVE LENGTHS WHICH INCLUDES AT LEAST THE WAVE LENGTH OF 12.35$.10 MICRONS AND OVER A RANGE OF WAVE LENGTHS WHICH INCLUDES AT LEAST THE WAVE LENGTH OF 13.40$.10 MICRONS TRANSMITTED THROUGH EACH OF SAID EXTRACTS.
References Cited (Backward Citations)
US2321900A
Cited
US2500213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |