Patent US3325192A successfully refreshed from Google Patents.
US3330375A
Expired / Lapsed
US
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Multi-mode acoustic well logging
Assignee: Marathon Oil Co
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Filing: 1966-02-16
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Granted: 1967-07-11
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Expires: 1986-02-16
Abstract
No abstract record available.
Inventors
- 👤 James E White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:32
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/40; G01V1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A WELL LOGGING SYSTEM INCLUDING ELECTRO-ACOUSTIC TRANSDUCER MEANS FOR TRANSMITTING AND RECEIVING SIGNALS, A METHOD OF DETERMINING THE VELOCITIES OF AT LEAST THE SHEAR AND COMPRESSIONAL MODE WAVES PROPAGATING IN A FORMATION, COMPRISING: (A) GENERATING A PERIODIC, ACOUSTIC WAVE FORM AND PROPAGATING SAME THROUGH THE FORMATION, SUCH PROPAGATION OCCURRING IN AT LEAST THE SHEAR AND COMPRESSIONAL MODES, (B) SENSING THE AMPLITUDE OF THE PROPAGATED WAVEFORM, AND (C) TUNING THE FREQUENCY AND WAVELENGTH OF THE SYSTEM TO DETERMINE THE VALUES OF THESE PARAMETERS THAT PRODUCE AMPLITUDE PEAKS IN AT LEAST THE SHEAR AND COMPRESSIONAL MODES, WHEREBY THEIR VELOCITIES MAY BE DETERMINED FROM THE EQUATION,
Claim 2
Dependent Claim
104 words
IN A WELL LOGGING SYSTEM INCLUDING ELECTRO-ACOUSTIC TRANSDUCER MEANS FOR TRANSMITTING AND RECEIVING SIGNALS, A METHOD OF DETERMINING THE VELOCITIES OF AT LEAST THE SHEAR AND COMPRESSIONAL MODE WAVES PROPAGATING IN A FORMATION, COMPRISING: (A) GENERATING A PERIODIC, ACOUSTIC WAVE FORM AND PROPAGATING SAME THROUGH THE FORMATION, SUCH PROPAGATION OCCURRING IN AT LEAST THE SHEAR AND COMPRESSIONAL MODES, (B) SENSING THE AMPLITUDE OF THE PROPAGATED WAVEFORM, AND (C) TUNING THE FREQUENCY AND WAVELENGTH OF THE SYSTEM TO DETERMINE THE VALUES OF THESE PARAMETERS THAT PRODUCE AMPLITUDE PEAKS IN AT LEAST THE SHEAR AND COMPRESSIONAL MODES, WHEREBY THEIR VELOCITIES MAY BE DETERMINED FROM THE EQUATION,
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |