Patent US3302101A successfully refreshed from Google Patents.
US3302101A
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Electrode system having a potential electrode embedded within a current electrode for measuring the electrical resistivity of a porous rock sample
Assignee: ExxonMobil Upstream Research Co
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Filing: 1964-03-26
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Granted: 1967-01-31
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Expires: 1984-03-26
Abstract
No abstract record available.
Inventors
- 👤 Charles R Glanville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:55
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
APPARATUS FOR MEASURING THE ELECTRICAL RESISTIVITY OF A POROUS ROCK SAMPLE AT SIMULATED SUBSURFACE PRESSURES COMPRISING A PRESSURE CELL, MEANS FOR SUPPLYING SIMULATED RESERVOIR PRESSURES TO THE INTERIOR OF SAID PRESSURE CELL, MEANS FOR MOUNTING SAID SAMPLE WITHIN THE CELL, A FIRST ELECTRODE PAIR POSITIONED WITHIN SAID CELL FOR ESTABLISHING CONTACT WITH ONE END OF SAID SAMPLE, A SECOND ELECTRODE PAIR WITHIN SAID CELL POSITIONED TO CONTACT THE OTHER END OF SAID SAMPLE, EACH OF SAID ELECTRODE PAIRS COMPRISING A CURRENT ELECTRODE AND A POTENTIAL ELECTRODE, EACH OF SAID
Claim 2
Dependent Claim
89 words
APPARATUS FOR MEASURING THE ELECTRICAL RESISTIVITY OF A POROUS ROCK SAMPLE AT SIMULATED SUBSURFACE PRESSURES COMPRISING A PRESSURE CELL, MEANS FOR SUPPLYING SIMULATED RESERVOIR PRESSURES TO THE INTERIOR OF SAID PRESSURE CELL, MEANS FOR MOUNTING SAID SAMPLE WITHIN THE CELL, A FIRST ELECTRODE PAIR POSITIONED WITHIN SAID CELL FOR ESTABLISHING CONTACT WITH ONE END OF SAID SAMPLE, A SECOND ELECTRODE PAIR WITHIN SAID CELL POSITIONED TO CONTACT THE OTHER END OF SAID SAMPLE, EACH OF SAID ELECTRODE PAIRS COMPRISING A CURRENT ELECTRODE AND A POTENTIAL ELECTRODE, EACH OF SAID
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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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |