US2641924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Determination of effective porosity of core samples
Assignee: ExxonMobil Oil Corp
•
Filing: 1947-09-11
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Granted: 1953-06-16
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Expires: 1967-09-11
Abstract
No abstract record available.
Inventors
- 👤 Paul P Reichertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:56
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/08; G01N15/088; G01N15/0886
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
THE METHOD OF EVALUATING THE POROSITY OF AN EARTH CORE SAMPLE WHICH COMPRISES PLACING THE CORE SAMPLE IN A CLOSED CHAMBER, EVACUATING THE CHAMBER, PLACING A BODY OF LIQUID MERCURY IN THE CHAMBER IN SUCH A MANNER THAT THE MERCURY ENVELOPS THE CORE SAMPLE, SUBJECTING THE BODY OF MERCURY TO A STEPWISE SERIES OF INCREMENTAL INCREASES OF PRESSURE, AFTER EACH OF SAID INCREMENTS OF PRESSURE INCREASE MEASURING THE DECREASE IN VOLUME OF THE BODY OF LIQUID MERCURY IN CONTACT WITHT THE CORE AFFECTED BY THE ENTRANCE OF MERCURY INTO THE PORES OF THE CORE WHEREBY THE RELATIVE AMOUNT OF PORES OF A PLURALITY OF SIZE RANGES IN THE CORE SAMPLE MAY BE DETERMINED.
Claim 2
Independent Claim
113 words
THE METHOD OF EVALUATING THE POROSITY OF AN EARTH CORE SAMPLE WHICH COMPRISES PLACING THE CORE SAMPLE IN A CLOSED CHAMBER, EVACUATING THE CHAMBER, PLACING A BODY OF LIQUID MERCURY IN THE CHAMBER IN SUCH A MANNER THAT THE MERCURY ENVELOPS THE CORE SAMPLE, SUBJECTING THE BODY OF MERCURY TO A STEPWISE SERIES OF INCREMENTAL INCREASES OF PRESSURE, AFTER EACH OF SAID INCREMENTS OF PRESSURE INCREASE MEASURING THE DECREASE IN VOLUME OF THE BODY OF LIQUID MERCURY IN CONTACT WITHT THE CORE AFFECTED BY THE ENTRANCE OF MERCURY INTO THE PORES OF THE CORE WHEREBY THE RELATIVE AMOUNT OF PORES OF A PLURALITY OF SIZE RANGES IN THE CORE SAMPLE MAY BE DETERMINED.
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) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |