Patent US3329207A successfully refreshed from Google Patents.
US3329207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fracturing into a cavity
Assignee: ConocoPhillips Co
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Filing: 1965-03-12
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Granted: 1967-07-04
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Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 D Arey A Shock
- 👤 Eddie C French
- 👤 William L Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:05
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/28; E21B43/283
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A METHOD OF EXTENDING A CAVITY FORMED UNDERGROUND IN A SALT FORMATION, SAID SALT FORMATION LYING BETWEEN TWO INSOLUBLE LAYERS, SAID METHOD COMPRISING PREPARING A FRACTURING WELL A PREDETERMINED DISTANCE AND DIRECTION FROM SAID CAVITY, PRESSURING SAID CAVITY TO AT LEAST THE PRESSURE OF THE HYDROSTATIC HEAD EQUAL TO THE DEPTH OF SAID CAVITY BELOW THE EARTH''S SURFACE AND LESS THAN THAT PRESSURE WHICH WOULD INITATE FRACTURE FROM SAID CAVITY, AND THEREAFTER INITIATING A FRACTURE FROM SAID FRACTURING WELL IN THE DIRECTION OF SAID CAVITY, AND CON-
References Cited (Backward Citations)
US2850270A
Cited
US3012764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |