Patent US3071203A successfully refreshed from Google Patents.
US3071203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical velocity well logging
Assignee: Texaco Inc
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Filing: 1959-09-28
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Granted: 1963-01-01
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Expires: 1979-09-28
Abstract
No abstract record available.
Inventors
- 👤 Kerry D Savage
- 👤 Jr Lloyd E Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:25
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/40; G01V1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
AN ACOUSTICAL VELOCITY WELL LOGGING SYSTEM COMPRISING AN ELONGATED TOOL ADAPTED TO BE PASSED THROUGH THE BORE OF A WELL, SAID TOOL HAVING FIRST, SECOND AND THIRD TRANSDUCERS POSITIONED IN FIXED SPACED APART RELATIONSHIP IN SAID TOOL, MEANS FOR TRANSMITTING ACOUSTIC PULSES AT PREDETERMINED TIME INTERVALS THROUGH A SUBSURFACE FORMATION OPPOSITE SAID TRANSDUCERS, 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, MEANS DEFINING A SINGLE ELECTRICAL CHANNEL FOR TRANSMITTING SAID FIRST, SECOND AND THIRD ELECTRIC PULSE THROUGH THE BORE OF THE WELL, MEANS COUPLED TO THE MEANS DEFINING SAID CHANNEL AT A REMOTE POINT FROM SAID TOOL FOR INDICATING SAID FIRST, SECOND AND THIRD PULSES, MEANS COUPLED TO THE MEANS DEFINING SAID CHANNEL AT A REMOTE POINT FROM SAID TOOL FOR DELETING ONE OF SAID FIRST, SECOND AND THIRD ELECTRIC PULSES AND A TIME MEASURING CIRCUIT COUPLED TO THE MEANS DEFINING SAID CHANNEL AT A REMOTE POINT FROM
Claim 2
Dependent Claim
200 words
AN ACOUSTICAL VELOCITY WELL LOGGING SYSTEM COMPRISING AN ELONGATED TOOL ADAPTED TO BE PASSED THROUGH THE BORE OF A WELL, SAID TOOL HAVING FIRST, SECOND AND THIRD TRANSDUCERS POSITIONED IN FIXED SPACED APART RELATIONSHIP IN SAID TOOL, MEANS FOR TRANSMITTING ACOUSTIC PULSES AT PREDETERMINED TIME INTERVALS THROUGH A SUBSURFACE FORMATION OPPOSITE SAID TRANSDUCERS, 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, MEANS DEFINING A SINGLE ELECTRICAL CHANNEL FOR TRANSMITTING SAID FIRST, SECOND AND THIRD ELECTRIC PULSE THROUGH THE BORE OF THE WELL, MEANS COUPLED TO THE MEANS DEFINING SAID CHANNEL AT A REMOTE POINT FROM SAID TOOL FOR INDICATING SAID FIRST, SECOND AND THIRD PULSES, MEANS COUPLED TO THE MEANS DEFINING SAID CHANNEL AT A REMOTE POINT FROM SAID TOOL FOR DELETING ONE OF SAID FIRST, SECOND AND THIRD ELECTRIC PULSES AND A TIME MEASURING CIRCUIT COUPLED TO THE MEANS DEFINING SAID CHANNEL AT A REMOTE POINT FROM
References Cited (Backward Citations)
US2651027A
Cited
US2857011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |