US3185249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computing seismic information
Assignee: ExxonMobil Upstream Research Co
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Filing: 1959-03-20
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Granted: 1965-05-25
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Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
- 👤 John L Shanks
- 👤 Duane E Soland
- 👤 Kay N Burns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:10
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/30; G01V1/303
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
140 words
IN A SEISMIC SYSTEM HAVING A SEISMIC SHOCK SOURCE NEAR THE EARTH''S SURFACE AND A PLURALITY OF EQUALLY SPACED SEISMIC TRANSDUCERS SPACED RADIALLY FROM A SEISMIC SHOCK SOURCE AND IN WHICH A FIRST BREAK REPRESENTING THE TIME OF INITIATION OF THE SEISMIC SHOCK IS RECORDED ON ONE CHANNEL OF A RECORDING MEDIUM AND A FIRST KICK REPRESENTING THE ARRIVAL OF ENERGY FROM SAID SEISMIC SHOCK SOURCE AT A FIRST SEISMIC TRANSDUCER IS RECORDED ON A SECOND CHANNEL; AND REPRODUCING MEANS FOR REPRODUCING INDEPENDENTLY SIGNALS REPRESENTATIVE OF THE FIRST KICKS REPRESENTING THE ARRIVAL OF ENERGY AT EACH SEISMIC TRANSDUCER, AN APPARATUS FOR DETERMINING THE THICKNESS OF THE LOW VELOCITY LAYER UNDER A SEISMIC TRANSDUCER IN WHICH THE THICKNESS IS EQUAL TO A CONSTANT MULTIPLIED BY THE TIME THE ENERGY IS IN THE LOW VELOCITY LAYER AND SUCH TIME IS EQUAL TO
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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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |