US3142815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for analysing and processing seismic records employing a weighting coefficient
Assignee: CGG SA
•
Filing: 1959-07-14
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Granted: 1964-07-28
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Expires: 1979-07-14
Abstract
No abstract record available.
Inventors
- 👤 Picou Claude Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:55
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V2210/00; G01V2210/60; G01V2210/67
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
IN A METHOD OF OBTAINING SEISMIC DATA INVOLVING THE FIRING OF AN EXPLOSIVE CHARGE IN A GEOLOGICAL MASS AND RECEIVING WITH AN ALIGNMENT OF SEISMOMETERS THE RESULTING WAVES EMERGING FROM SAID MASS, THE METHOD OF ELEMINATING THE WAVES HAVING AN ANGLE OF EMERGENCE WHICH IS GREATER THAN A PREDETERMINED CRITICAL ANGLE COMPRISING THE STEPS OF DIVIDING THE WAVES RECEIVED BY THE RESPECTIVE SEISMOMETERS INTO THEIR SPECTRAL COMPONENTS, MODIFYING EACH COMPONENT ACCORDING TO THE RELATIVE POSITION OF THE ASSOCIATED SEISMOMETER, SPEED OF THE ASSOCIATED WAVE, FREQUENCY OF THE COMPONENT, MAGNITUDE OF SAID CRITICAL ANGLE AND SPAC-
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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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |