Patent US3354985A successfully refreshed from Google Patents.
US3354985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seismic prospecting method of locating a suspected fault
Assignee: Pan American Petroleum Corp
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Filing: 1966-09-22
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Granted: 1967-11-28
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Expires: 1986-09-22
Abstract
No abstract record available.
Inventors
- 👤 Neil R Sparks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:20
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A METHOD OF SEISMIC PROSPECTING DIRECTED TOWARD THE LOCATION OF A SUSPECTED FAULT IN A PARTICULAR UNDERGROUND FORMATION WHEREIN SAID UNDERGROUND FORMATION AND OVERLYING MATERIAL HAS A CRITICAL DISTANCE DC, SAID METHOD COMPRISING: (A) LOCATING A SPREAD OF SEISMIC DETECTORS AT A FIRST LOCATION IN ALIGNMENT WITH A FIRST POINT AND SAID SUSPECTED FAULT, AT LEAST ONE OF SAID DETECTORS BEING LOCATED A DISTANCE LESS THAN DC FROM SAID SHOT POINT AND AT LEAST ANOTHER OF SAID DETECTORS BEING LOCATED A DISTANCE AT LEAST AS GREAT AS DC FROM SAID SHOT POINT, (B) INITIATING A SEISMIC WAVE IN THE EARTH AT SAID FIRST POINT, (C) DETECTING THE RESULTING SEISMIC WAVE SIGNAL ARRIVING AT THE SAID SEISMIC DETECTORS, INCLUDING THE EVENT CHARACTERIZED BY REFLECTION FROM THE UPPER SURFACE OF SAID FORMATION, (D) OBTAINING A VALUE OF THE MAGNITUDE OF THE MAXIMUM AMPLITUDE OF SAID REFLECTED EVENT FOR EACH DETECTOR OF SAID SPREAD,
Claim 2
Independent Claim
151 words
A METHOD OF SEISMIC PROSPECTING DIRECTED TOWARD THE LOCATION OF A SUSPECTED FAULT IN A PARTICULAR UNDERGROUND FORMATION WHEREIN SAID UNDERGROUND FORMATION AND OVERLYING MATERIAL HAS A CRITICAL DISTANCE DC, SAID METHOD COMPRISING: (A) LOCATING A SPREAD OF SEISMIC DETECTORS AT A FIRST LOCATION IN ALIGNMENT WITH A FIRST POINT AND SAID SUSPECTED FAULT, AT LEAST ONE OF SAID DETECTORS BEING LOCATED A DISTANCE LESS THAN DC FROM SAID SHOT POINT AND AT LEAST ANOTHER OF SAID DETECTORS BEING LOCATED A DISTANCE AT LEAST AS GREAT AS DC FROM SAID SHOT POINT, (B) INITIATING A SEISMIC WAVE IN THE EARTH AT SAID FIRST POINT, (C) DETECTING THE RESULTING SEISMIC WAVE SIGNAL ARRIVING AT THE SAID SEISMIC DETECTORS, INCLUDING THE EVENT CHARACTERIZED BY REFLECTION FROM THE UPPER SURFACE OF SAID FORMATION, (D) OBTAINING A VALUE OF THE MAGNITUDE OF THE MAXIMUM AMPLITUDE OF SAID REFLECTED EVENT FOR EACH DETECTOR OF SAID SPREAD,
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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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |