Patent US2583284A successfully refreshed from Google Patents.
US2583284A
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Method for determining a parameter of earth formations penetrated by a borehole
Assignee: Gulf Research and Development Co
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Filing: 1950-04-20
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Granted: 1952-01-22
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Expires: 1970-04-20
Abstract
No abstract record available.
Inventors
- 👤 Malcolm R J Wyllie
- 👤 Gordon A Hogg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:22
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/24; G01N33/241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A METHOD OF DETERMINING A CHARACTERISTIC OF A POROUS MEDIUM WHICH COMPRISES OBTAINING FRAGMENTARY SAMPLES OF SAID MEDUIM, SATURATING SAID FRAGMENTS WITH AN ELECTRICALLY-CONDUCTING LIQUID, MEASURING THE ELECTRICAL RESISTANCE OF A QUANTITY OF SAID SATURATED FRAGMENTS, AND MEASURING THE ELECTRICAL RESISTANCE OF THE SAID LIQUID DISPLACED BY SAID QUANTITY OF FRAGMENTS WHEN IMMERSED THEREIN AND HAVING THE SAME ELECTRICAL CONFIGURATION AS IN SAID FIRST MEASUREMENT, WHEREBY THE RATIO OF THE FIRST SAID RE-
Claim 2
Independent Claim
73 words
A METHOD OF DETERMINING A CHARACTERISTIC OF A POROUS MEDIUM WHICH COMPRISES OBTAINING FRAGMENTARY SAMPLES OF SAID MEDUIM, SATURATING SAID FRAGMENTS WITH AN ELECTRICALLY-CONDUCTING LIQUID, MEASURING THE ELECTRICAL RESISTANCE OF A QUANTITY OF SAID SATURATED FRAGMENTS, AND MEASURING THE ELECTRICAL RESISTANCE OF THE SAID LIQUID DISPLACED BY SAID QUANTITY OF FRAGMENTS WHEN IMMERSED THEREIN AND HAVING THE SAME ELECTRICAL CONFIGURATION AS IN SAID FIRST MEASUREMENT, WHEREBY THE RATIO OF THE FIRST SAID RE-
References Cited (Backward Citations)
US1860397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |