US3075142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical well logging device
Assignee: ConocoPhillips Co
•
Filing: 1960-02-26
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Granted: 1963-01-22
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Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 James C Albright
- 👤 Earl W Sutton
- 👤 Donald J Timko
- 👤 Bruce F Bohor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:00
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/18; G01V3/20; G01V3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF RECORDING A PLURALITY OF RECEIVED VOLTAGES OF A PLURALITY OF SIMULTANEOUSLY OPERATED ELECTRICAL LOGGING SONDES COMPRISING, RECEIVING A FIRST AND SECOND SIGNAL FROM A FIRST SONDE, SAID FIRST AND SECOND SIGNALS CORRESPONDING TO THE RECEIVED VOLTAGES AND TRANSMITTED CURRENTS RESPECTIVELY, FORMING A FIRST RATIO FROM THE RATIO OF SAID FIRST AND SECOND VOLTAGES, RECEIVING THIRD AND FOURTH VOLTAGES, SAID THIRD AND FOURTH VOLTAGES CORRESPONDING TO THE RECEIVED VOLTAGE AND TRANSMITTED CURRENT OF A SECOND SONDE RESPECTIVELY FORMING A SECOND RATIO VOLT-
Claim 2
Independent Claim
84 words
A METHOD OF RECORDING A PLURALITY OF RECEIVED VOLTAGES OF A PLURALITY OF SIMULTANEOUSLY OPERATED ELECTRICAL LOGGING SONDES COMPRISING, RECEIVING A FIRST AND SECOND SIGNAL FROM A FIRST SONDE, SAID FIRST AND SECOND SIGNALS CORRESPONDING TO THE RECEIVED VOLTAGES AND TRANSMITTED CURRENTS RESPECTIVELY, FORMING A FIRST RATIO FROM THE RATIO OF SAID FIRST AND SECOND VOLTAGES, RECEIVING THIRD AND FOURTH VOLTAGES, SAID THIRD AND FOURTH VOLTAGES CORRESPONDING TO THE RECEIVED VOLTAGE AND TRANSMITTED CURRENT OF A SECOND SONDE RESPECTIVELY FORMING A SECOND RATIO VOLT-
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |