US3220476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for fluid pressure vibratory fracture of formations and fluid recovery therefrom
Assignee: Individual
•
Filing: 1963-10-11
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Granted: 1965-11-30
•
Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Brandon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:22
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/003; E21B28/00; E21B43/25; E21B43/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
THE METHOD OF FRACTURING A PRODUCTIVE RELATIVELY BRITTLE STRATUM PENETRATED BY A WELL BORE WHEREIN A RELATIVELY DEFORMABLE NON-PRODUCTIVE STRATUM IS IN OPERATIVE PRESSURE TRANSMITTING AND VIBRATION TRANSMITTING RELATION WITH SAID BRITTLE STATUM, WHICH COMPRISES PACKING OFF SAID WELL BORE TO CONFINE A FACE OF SAID DEFORMABLE STRATUM REMOTE AND ISOLATED FROM SAID BRITTLE STRATUM, SUPPLYING PRESSURE FLUID THROUGH SAID WELL BORE TO SAID CONFINED FACE,
Claim 2
Independent Claim
66 words
THE METHOD OF FRACTURING A PRODUCTIVE RELATIVELY BRITTLE STRATUM PENETRATED BY A WELL BORE WHEREIN A RELATIVELY DEFORMABLE NON-PRODUCTIVE STRATUM IS IN OPERATIVE PRESSURE TRANSMITTING AND VIBRATION TRANSMITTING RELATION WITH SAID BRITTLE STATUM, WHICH COMPRISES PACKING OFF SAID WELL BORE TO CONFINE A FACE OF SAID DEFORMABLE STRATUM REMOTE AND ISOLATED FROM SAID BRITTLE STRATUM, SUPPLYING PRESSURE FLUID THROUGH SAID WELL BORE TO SAID CONFINED FACE,
References Cited (Backward Citations)
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US2670801A
Cited
US2547778A
Cited
US2866509A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |