US3285064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for defining reservoir heterogeneities
Assignee: ExxonMobil Upstream Research Co
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Filing: 1965-11-03
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Granted: 1966-11-15
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Expires: 1985-11-03
Abstract
No abstract record available.
Inventors
- 👤 Robert A Greenkorn
- 👤 Carlton R Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:37
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/08; E; E21; E21B; E21B15/00; E21B15/02; E21B43/00; E21B49/00; E21B49/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD FOR EVALUATING A FLUID-BEARING SUBTERRANEAN FORMATION PENETRATED BY A PLURALITY OF WELLS WHICH COMPRISES GENERATING A PRESSURE TRANSIENT WITHIN THE FORMATION BY INTRODUCING A SEQUENCE OF FLUID FLOW-RATE CHANGES AT ONE OF SAID WELLS, AND MEASURING PRESSURE CHANGES CAUSED BY SAID SEQUENCE AT ANOTHER OF SAID WELLS, WITH A SENSITIVITY OF AT LEAST 0.01 P.S.I., AS A FUNCTION OF TIME.
Claim 2
Independent Claim
62 words
A METHOD FOR EVALUATING A FLUID-BEARING SUBTERRANEAN FORMATION PENETRATED BY A PLURALITY OF WELLS WHICH COMPRISES GENERATING A PRESSURE TRANSIENT WITHIN THE FORMATION BY INTRODUCING A SEQUENCE OF FLUID FLOW-RATE CHANGES AT ONE OF SAID WELLS, AND MEASURING PRESSURE CHANGES CAUSED BY SAID SEQUENCE AT ANOTHER OF SAID WELLS, WITH A SENSITIVITY OF AT LEAST 0.01 P.S.I., AS A FUNCTION OF TIME.
References Cited (Backward Citations)
US2207281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |