Patent US3317890A successfully refreshed from Google Patents.
US3317890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overwater seismic exploration method and apparatus
Assignee: Phillips Petroleum Co
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Filing: 1965-03-22
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Granted: 1967-05-02
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Expires: 1985-03-22
Abstract
No abstract record available.
Inventors
- 👤 Jr William A Hensley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:40
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/38; G01V1/3808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN IMPROVED METHOD FOR WATER-BORNE SEISMIC EXPLORATION COMPRISING PULLING A SERIES OF SECTIONS OF SEISMIC DETECTORS THROUGH THE WATER, ALL OF SAID SECTIONS BEING OF EQUAL LENGTH AND THE TOTAL NUMBER OF SAID SECTIONS IN SAID SERIES BEING EQUAL TO A WHOLE EVEN INTEGER, ALTERNATELY CREATING SEISMIC SIGNALS AT A FIXED DISTANCE FROM EITHER END OF SAID SERIES AS IT IS PULLED THROUGH SAID WATER, SAID FIXED DISTANCE BEING X, SUCH THAT X-Y(I), Y IS THE LENGTH OF ONE OF SAID SECTIONS AND I IS A WHOLE INTEGER THAT CAN BE DIVIDED INTO THE SAID TOTAL NUMBER OF SECTIONS IN SAID SERIES TO GIVE A WHOLE EVEN INTEGER, EACH SEISMIC SIGNAL BEING CREATED AFTER SAID SERIES HAS BEEN PULLED SAID FIXED DISTANCE THROUGH SAID WATER FOLLOWING THE NEXT PRECEDING CREATED SEISMIC SIGNAL, DETECTING THE REFLECTED SEISMIC SIGNALS WITH SAID SERIES AND RECORDING AND COMPOSITING SAME.
Claim 2
Dependent Claim
145 words
AN IMPROVED METHOD FOR WATER-BORNE SEISMIC EXPLORATION COMPRISING PULLING A SERIES OF SECTIONS OF SEISMIC DETECTORS THROUGH THE WATER, ALL OF SAID SECTIONS BEING OF EQUAL LENGTH AND THE TOTAL NUMBER OF SAID SECTIONS IN SAID SERIES BEING EQUAL TO A WHOLE EVEN INTEGER, ALTERNATELY CREATING SEISMIC SIGNALS AT A FIXED DISTANCE FROM EITHER END OF SAID SERIES AS IT IS PULLED THROUGH SAID WATER, SAID FIXED DISTANCE BEING X, SUCH THAT X-Y(I), Y IS THE LENGTH OF ONE OF SAID SECTIONS AND I IS A WHOLE INTEGER THAT CAN BE DIVIDED INTO THE SAID TOTAL NUMBER OF SECTIONS IN SAID SERIES TO GIVE A WHOLE EVEN INTEGER, EACH SEISMIC SIGNAL BEING CREATED AFTER SAID SERIES HAS BEEN PULLED SAID FIXED DISTANCE THROUGH SAID WATER FOLLOWING THE NEXT PRECEDING CREATED SEISMIC SIGNAL, DETECTING THE REFLECTED SEISMIC SIGNALS WITH SAID SERIES AND RECORDING AND COMPOSITING SAME.
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |