Patent US3076176A successfully refreshed from Google Patents.
US3076176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
First break controlled inverse seismic filtering
Assignee: ExxonMobil Oil Corp
•
Filing: 1957-06-27
•
Granted: 1963-01-29
•
Expires: 1977-06-27
Abstract
No abstract record available.
Inventors
- 👤 Philip L Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:49
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/30; G01V1/303
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A SYSTEM FOR PRODUCING A VELOCITY PROFILE TYPE FUNCTION FROM A SEISMIC REFLECTION FUNCTION IN WHICH A DIRECT WAVE COMPONENT AND REFLECTION COMPONENTS APPEAR AT SUCCESSIVELY LATER POINTS ALONG A TIME SCALE WHICH COMPRISES MEANS FOR GENERATING A SIGNAL REPRESENTATIVE OF SAID SEISMIC REFLECTION FUNCTION, A FILTER CONNECTED TO SAID LAST NAMED MEANS AND HAVING AN IMPULSE RESPONSE SUBSTANTIALLY THE INVERSE OF THE WAVEFORM OF SAID DIRECT WAVE COMPONENT, AND MEANS CONNECTED TO THE OUTPUT OF SAID FILTER FOR REGISTERING SAID SIGNAL AFTER PASSAGE THROUGH SAID FILTER.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |