US3213411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of obtaining reverse path time tie between seismic signals
Assignee: Phillips Petroleum Co
•
Filing: 1962-01-12
•
Granted: 1965-10-19
•
Expires: 1982-01-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Loring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:07
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/36; G01V1/362; G01V2210/00; G01V2210/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
144 words
A METHOD OF CORRELATING FIRST AND SECOND SEISMIC RECORDS, EACH COMPRISING A PLURALITY OF SEISMIC SIGNALS, TO OBTAIN A REVERSE PATH TIME TIE, COMPRISING CORRECTING THE PLURALITY OF SEISMIC SIGNALS IN EACH OF SAID RECORDS FOR ANGULRITY OF PATH DIFFERENCES, GENERATING A TIME SIGNAL FOR EACH OF SAID RECORDS, EACH SAID TIME SIGNAL COMPRISING A SERIES OF PIPS, APPLYING TO EACH TIME SIGNAL THE SAE CORRECTION FOR ANGULARITY OF PATHS AS APPLIED TO A FIRST ONE OF THE PLURALITY OF SEISMIC SIGNALS OF THE RESPECTIVE ONE OF SAID RECORDS TO OBTAIN FIRST AND SECOND CORRECTED TIME SIGNALS, SAID FIRST ONE OF THE PLURALITY OF SEISMIC SIGNALS OF THE FIRST RECORD REPRESENTING THE REVERSE PATH OF SAID FIRST ONE OF THE PLURALITY OF SEISMIC SIGNAL OF THE SECOND RECORD, AND COMPARING SAID FIRST AND SECOND CORRECTED TIME SIGNAL TO OBTAIN A REVERSE PATH TIME TIE.
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |