US3340499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital seismic recording
Assignee: Pan American Petroleum Corp
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Filing: 1966-02-07
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Granted: 1967-09-05
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Charles F Hadley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:01
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/24; G01V1/247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A METHOD OF FIELD RECORDING SEISMIC SIGNALS WHICH COMPRISES (A) REPRODUCING A CONTROL SIGNAL; (B) CONTROLLING A SEISMIC GENERATOR WITH SAID CONTROL SIGNAL TO IMPRESS A SEISMIC WAVE INTO THE EARTH; (C) DETECTING REFLECTIONS FROM THE SEISMIC WAVE IMPARTED INTO THE EARTH BY SAID SEISMIC GENERATOR; (D) CONVERTING THE DETECTED REFLECTIONS TO DIGITAL DATA; (E) REPRODUCIBLY RECORDING SAID DIGITAL DATA; (F) REPEATING STEPS (A), (B), (C) AND (D) AT A SUBSEQUENT TIME TO OBTAIN SUBSEQUENT DIGITAL DATA; (G) REPRODUCING THE PREVIOUSLY RECORDED DIGITAL DATA DURING STEP (F); (H) ADDING THE SUBSEQUENT DIGITAL DATA AS IT IS OBTAINED TO THE REPRODUCED DIGITAL DATA AS IT IS REPRODUCED IN STEP (G) TO OBTAIN A SUMMED SIGNAL; (I) AND RECORDING THE SUMMED SIGNAL.
Claim 2
Independent Claim
120 words
A METHOD OF FIELD RECORDING SEISMIC SIGNALS WHICH COMPRISES (A) REPRODUCING A CONTROL SIGNAL; (B) CONTROLLING A SEISMIC GENERATOR WITH SAID CONTROL SIGNAL TO IMPRESS A SEISMIC WAVE INTO THE EARTH; (C) DETECTING REFLECTIONS FROM THE SEISMIC WAVE IMPARTED INTO THE EARTH BY SAID SEISMIC GENERATOR; (D) CONVERTING THE DETECTED REFLECTIONS TO DIGITAL DATA; (E) REPRODUCIBLY RECORDING SAID DIGITAL DATA; (F) REPEATING STEPS (A), (B), (C) AND (D) AT A SUBSEQUENT TIME TO OBTAIN SUBSEQUENT DIGITAL DATA; (G) REPRODUCING THE PREVIOUSLY RECORDED DIGITAL DATA DURING STEP (F); (H) ADDING THE SUBSEQUENT DIGITAL DATA AS IT IS OBTAINED TO THE REPRODUCED DIGITAL DATA AS IT IS REPRODUCED IN STEP (G) TO OBTAIN A SUMMED SIGNAL; (I) AND RECORDING THE SUMMED SIGNAL.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |