US3338094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test pattern for multi-well survey
Assignee: ExxonMobil Upstream Research Co
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Filing: 1964-08-11
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Granted: 1967-08-29
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Expires: 1984-08-11
Abstract
No abstract record available.
Inventors
- 👤 Carlton R Johnson
- 👤 Edward G Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:13
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A PROCESS FOR DETERMINING FLUID TRANSMISSIBILITY IN A POROUS SUBTERRANEAN RESERVOIR PENETRATED BY A PLURALITY OF WELLS, WHEREIN A FLUID PRESSURE TRANSIENT IS PROPAGATED BETWEEN SUCCESSIVE WELL PAIRS AND THE TIME REQUIRED FOR EACH TRANSIENT TO TRAVERSE THE RESERVIOR BETWEEN WELLS IS DETERMINED, THE IMPROVED METHOD OF COMPLETING A SURVEY OF THE RESERVOIR WHICH COMPRISES MEASURING THE TIME REQUIRED FOR EACH TRANSIENT TO TRAVERSE THE RESERVOIR IN THREE NONCOLLINEAR DIRECTIONS FROM A PULSED WELL AND RECORDING THREE SEPARATE PRESSURE TRANSIENTS FROM THREE NONCOLLINEAR DIRECTIONS AT A RESPONDING WELL TO PERMIT THE DETERMINATION OF THE PRESENCE AND ORIENTATION OF RESERVOIR HETEROGENEITIES.
Claim 2
Dependent Claim
101 words
IN A PROCESS FOR DETERMINING FLUID TRANSMISSIBILITY IN A POROUS SUBTERRANEAN RESERVOIR PENETRATED BY A PLURALITY OF WELLS, WHEREIN A FLUID PRESSURE TRANSIENT IS PROPAGATED BETWEEN SUCCESSIVE WELL PAIRS AND THE TIME REQUIRED FOR EACH TRANSIENT TO TRAVERSE THE RESERVIOR BETWEEN WELLS IS DETERMINED, THE IMPROVED METHOD OF COMPLETING A SURVEY OF THE RESERVOIR WHICH COMPRISES MEASURING THE TIME REQUIRED FOR EACH TRANSIENT TO TRAVERSE THE RESERVOIR IN THREE NONCOLLINEAR DIRECTIONS FROM A PULSED WELL AND RECORDING THREE SEPARATE PRESSURE TRANSIENTS FROM THREE NONCOLLINEAR DIRECTIONS AT A RESPONDING WELL TO PERMIT THE DETERMINATION OF THE PRESENCE AND ORIENTATION OF RESERVOIR HETEROGENEITIES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |