US3368191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous marine seismic exploration with multiple subsurface coverage
Assignee: Mobil Oil AS
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Filing: 1965-12-29
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Granted: 1968-02-06
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Expires: 1985-12-29
Abstract
No abstract record available.
Inventors
- 👤 Frank J Mcdonal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:05
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/38; G01V1/3808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
THE METHOD OF OBTAINING M-FOLD SUBSURFACE COVERAGE WITH A CONTINUOUSLY MOVING MARINE SEISMIC EXPLORATION SYSTEM INCLUDING A REPETITIVE SEISMIC SOURCE AND A PLURALITY OF HYDROPHONE STATIONS ARRANGED IN A SPREAD, EACH OF SAID HYDROPHONE STATIONS BEING CONNECTED IN A SEPARATE RECORDING CHANNEL, COMPRISING THE STEPS OF: (A) FIRING SAID SEISMIC SOURCE AT REPETITIVE TIME INTERVALS T FOR TRAVEL OF SEISMIC ENERGY DOWNWARDLY TO A PLURALITY OF SUBSURFACE REFLECTING ELEMENTS ON VARIUS SUBSURFACE HORIZONS, (B) DETECTING AT N OF SAID PLURALITY OF HYDROPHONE STATIONS, EACH BEING OF LENGH X, THE ENERGY REFLECTED FROM SAID SUBSURFACE ELEMENTS (WHERE M/N IS AN INTEGER), (C) RECORDING SEPARATELY SIGNALS REPRESENTATIVE OF THE ENERGY RECEIVED AT EACH OF SAID N HYDROPHONE STATIONS DURING THE TIME INTERVALS BETWEEN THE FIRING OF SAID SEISMIC SOURCE, AND (D) MOVING SAID SEISMIC SOURCE AT A UNIFORM VELOCITY V SUCH THAT
Claim 2
Independent Claim
140 words
THE METHOD OF OBTAINING M-FOLD SUBSURFACE COVERAGE WITH A CONTINUOUSLY MOVING MARINE SEISMIC EXPLORATION SYSTEM INCLUDING A REPETITIVE SEISMIC SOURCE AND A PLURALITY OF HYDROPHONE STATIONS ARRANGED IN A SPREAD, EACH OF SAID HYDROPHONE STATIONS BEING CONNECTED IN A SEPARATE RECORDING CHANNEL, COMPRISING THE STEPS OF: (A) FIRING SAID SEISMIC SOURCE AT REPETITIVE TIME INTERVALS T FOR TRAVEL OF SEISMIC ENERGY DOWNWARDLY TO A PLURALITY OF SUBSURFACE REFLECTING ELEMENTS ON VARIUS SUBSURFACE HORIZONS, (B) DETECTING AT N OF SAID PLURALITY OF HYDROPHONE STATIONS, EACH BEING OF LENGH X, THE ENERGY REFLECTED FROM SAID SUBSURFACE ELEMENTS (WHERE M/N IS AN INTEGER), (C) RECORDING SEPARATELY SIGNALS REPRESENTATIVE OF THE ENERGY RECEIVED AT EACH OF SAID N HYDROPHONE STATIONS DURING THE TIME INTERVALS BETWEEN THE FIRING OF SAID SEISMIC SOURCE, AND (D) MOVING SAID SEISMIC SOURCE AT A UNIFORM VELOCITY V SUCH THAT
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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |