Patent FR782462A successfully refreshed from Google Patents.
US2718930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of deep well surveying
Assignee: Individual
•
Filing: 1952-07-05
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Granted: 1955-09-27
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Expires: 1972-07-05
Abstract
No abstract record available.
Inventors
- 👤 Willis O Bazhaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/40; G01V1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A METHOD OF SEISMIC EXPLORATION FOR OIL BEARING FORMATIONS, COMPRISING CREATING A SEISMIC BLAST IN THE LOWER PORTION OF A DEEP BORE HOLE, WHEREBY A PORTION OF THE SEISMIC WAVES WILL TRAVEL SUBSTANTIALLY HORIZONTALLY AT A HEIGHT COMMENSURATE WITH A POTENTIAL OIL BEARING FORMATION, RECEIVING THE REFLECTED WAVES IN THE BORE HOLE AT A HEIGHT SUBSTANTIALLY CORRESPONDING TO THE HEIGHT OF THE SEISMIC BLAST, RECORDING THE HORZONTALLY REFLECTED WAVES, RECEIVING THE COMPONENTS OF THE REFLECTED WAVES WHICH ARE REFRACTED UP TO THE SURFACE OF THE EARTH, AND RECORDING SAID REFRACTED COMPONENTS TO DETERMINE THE DIRECTION OF REFLECTION OF THE SEISMIC WAVES.
Claim 2
Independent Claim
101 words
A METHOD OF SEISMIC EXPLORATION FOR OIL BEARING FORMATIONS, COMPRISING CREATING A SEISMIC BLAST IN THE LOWER PORTION OF A DEEP BORE HOLE, WHEREBY A PORTION OF THE SEISMIC WAVES WILL TRAVEL SUBSTANTIALLY HORIZONTALLY AT A HEIGHT COMMENSURATE WITH A POTENTIAL OIL BEARING FORMATION, RECEIVING THE REFLECTED WAVES IN THE BORE HOLE AT A HEIGHT SUBSTANTIALLY CORRESPONDING TO THE HEIGHT OF THE SEISMIC BLAST, RECORDING THE HORZONTALLY REFLECTED WAVES, RECEIVING THE COMPONENTS OF THE REFLECTED WAVES WHICH ARE REFRACTED UP TO THE SURFACE OF THE EARTH, AND RECORDING SAID REFRACTED COMPONENTS TO DETERMINE THE DIRECTION OF REFLECTION OF THE SEISMIC WAVES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |