US3278893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reducing the effect of multiple reflections of seismic wave signals
Assignee: Pan American Petroleum Corp
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Filing: 1963-08-27
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Granted: 1966-10-11
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Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Silverman Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:19
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A METHOD OF SEISMIC PROSPECTING WHICH COMPRISES IMPRESSING ON THE EARTH A FIRST SEISMIC WAVE TO BE TRANSMITTED THROUGH THE EARTH; DETECTING THE RESULTING TRANSMITTED FIRST SEISMIC WAVE TO PROVIDE A FIRST DETECTED SIGNAL; DERIVING A SECOND SEISMIC WAVE FROM SAID FIRST DETECTED SIGNAL; IMPRESSING ON THE EARTH SAID SECOND SEISMIC WAVE TO BE TRANSMITTED THROUGH THE EARTH; PRODUCING A SECOND SIGNAL WHICH IS A FUNCTION OF THE FIRST AND SECOND SEISMIC WAVES AFTER EACH SUCH FIRST AND SECOND SEISMIC WAVES HAS BEEN TRANSMITTED THROUGH THE EARTH; AND EMPLOYING SAID SECOND SIGNAL IN THE DETERMINATION OF GEOLOGICAL STRUCTURE.
Claim 2
Independent Claim
98 words
A METHOD OF SEISMIC PROSPECTING WHICH COMPRISES IMPRESSING ON THE EARTH A FIRST SEISMIC WAVE TO BE TRANSMITTED THROUGH THE EARTH; DETECTING THE RESULTING TRANSMITTED FIRST SEISMIC WAVE TO PROVIDE A FIRST DETECTED SIGNAL; DERIVING A SECOND SEISMIC WAVE FROM SAID FIRST DETECTED SIGNAL; IMPRESSING ON THE EARTH SAID SECOND SEISMIC WAVE TO BE TRANSMITTED THROUGH THE EARTH; PRODUCING A SECOND SIGNAL WHICH IS A FUNCTION OF THE FIRST AND SECOND SEISMIC WAVES AFTER EACH SUCH FIRST AND SECOND SEISMIC WAVES HAS BEEN TRANSMITTED THROUGH THE EARTH; AND EMPLOYING SAID SECOND SIGNAL IN THE DETERMINATION OF GEOLOGICAL STRUCTURE.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |