US3102992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simultaneous plural spacing acoustical logging
Assignee: Texaco Inc
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Filing: 1959-09-28
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Granted: 1963-09-03
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Expires: 1979-09-28
Abstract
No abstract record available.
Inventors
- 👤 Kerry D Savage
- 👤 Roy P Mazzagatti
- 👤 Herzog Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:22
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/40; G01V1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
AN ACOUSTICAL VELOCITY WELL LOGGING SYSTEM COMPRISING AN ELONGATED TOOL ADAPTED TO BE PASSED THROUGH THE BOREHOLE OF A WELL, SAID TOOL HAVING FIRST, SECOND AND THIRD TRANSDUCERS POSITIONED IN FIXED SPACED APART RELATIONSHIP IN SAID TOOL, SAID TRANSDUCERS BEING MOUNTED FOR ACOUSTIC COMMUNICATION WITH MATERIAL INCLUDING A SUBSURFACE FORMATION OPPOSITE SAID TOOL, MEANS FOR TRANSMITTING ACOUSTIC PULSES AT PREDETERMINED TIME INTERVALS THROUGH A SUBSURFACE FORMATION OPPOSITE SAID TOOL, MEANS FOR PRODUCING A FIRST ELECTRIC PULSE AT THE OCCURRENCE OF A GIVEN ONE OF SAID ACOUSTIC PULSES AT SAID FIRST TRANSDUCER, MEANS FOR PRODUCING A SECOND ELECTRIC PULSE UPON THE ARRIVAL OF SAID GIVEN ACOUSTIC PULSE AT SAID SECOND TRANSDUCER, MEANS FOR PRODUCING A THIRD ELECTRIC PULSE UPON THE ARRIVAL OF SAID GIVEN ACOUSTIC PULSE AT SAID THIRD TRANSDUCER, A SINGLE INSULATED CONDUCTOR, MEANS FOR APPLYING SAID FIRST, SECOND AND THIRD ELECTRIC PULSES TO ONE END OF SAID SINGLE CONDUCTOR, FIRST AND SECOND TIME MEASURING CIRCUITS, MEANS COUPLED TO THE OTHER END OF SAID SINGLE INSULATED CONDUCTOR FOR APPLYING A DIFFERENT PAIR SELECTED FROM SAID FIRST, SECOND AND THIRD ELECTRIC PULSES TO EACH OF SAID TIME MEASURING CIRCUITS SO AS TO MEASURE THE TIME INTERVAL BETWEEN THE RESPECTIVE PULSES OF THE SELECTED PAIRS OF SAID ELECTRIC PULSES.
Claim 2
Dependent Claim
207 words
AN ACOUSTICAL VELOCITY WELL LOGGING SYSTEM COMPRISING AN ELONGATED TOOL ADAPTED TO BE PASSED THROUGH THE BOREHOLE OF A WELL, SAID TOOL HAVING FIRST, SECOND AND THIRD TRANSDUCERS POSITIONED IN FIXED SPACED APART RELATIONSHIP IN SAID TOOL, SAID TRANSDUCERS BEING MOUNTED FOR ACOUSTIC COMMUNICATION WITH MATERIAL INCLUDING A SUBSURFACE FORMATION OPPOSITE SAID TOOL, MEANS FOR TRANSMITTING ACOUSTIC PULSES AT PREDETERMINED TIME INTERVALS THROUGH A SUBSURFACE FORMATION OPPOSITE SAID TOOL, MEANS FOR PRODUCING A FIRST ELECTRIC PULSE AT THE OCCURRENCE OF A GIVEN ONE OF SAID ACOUSTIC PULSES AT SAID FIRST TRANSDUCER, MEANS FOR PRODUCING A SECOND ELECTRIC PULSE UPON THE ARRIVAL OF SAID GIVEN ACOUSTIC PULSE AT SAID SECOND TRANSDUCER, MEANS FOR PRODUCING A THIRD ELECTRIC PULSE UPON THE ARRIVAL OF SAID GIVEN ACOUSTIC PULSE AT SAID THIRD TRANSDUCER, A SINGLE INSULATED CONDUCTOR, MEANS FOR APPLYING SAID FIRST, SECOND AND THIRD ELECTRIC PULSES TO ONE END OF SAID SINGLE CONDUCTOR, FIRST AND SECOND TIME MEASURING CIRCUITS, MEANS COUPLED TO THE OTHER END OF SAID SINGLE INSULATED CONDUCTOR FOR APPLYING A DIFFERENT PAIR SELECTED FROM SAID FIRST, SECOND AND THIRD ELECTRIC PULSES TO EACH OF SAID TIME MEASURING CIRCUITS SO AS TO MEASURE THE TIME INTERVAL BETWEEN THE RESPECTIVE PULSES OF THE SELECTED PAIRS OF SAID ELECTRIC PULSES.
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |