US3129760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot caustic treatment of earth formations
Assignee: Individual
•
Filing: 1957-12-30
•
Granted: 1964-04-21
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Gambill Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:55
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/84; C09K8/845; E; E21; E21B; E21B43/00; E21B43/16; E21B43/24; E21B43/2405; E21B43/25; E21B43/26; E21B43/267
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
THE METHOD OF TREATING EARTH FORMATION TO INDUCE FRACTURES THEREIN TO PROMOTE FLOW OF OIL WHICH COMPPRISES, INJECTING INTO SUCH FORMATIONS UNDER HIGH PRESSURE SUFFICIENT TO INDUCE FRACTURE OF SAID FORMATION A LIQUID CHARACTERIZED BY ITS CARRYING SOLID ALUMINUM PARTICLES SUSPENDED THEREIN, MAINTAINING SAID PRESSURE FOR A PREDETERMINED INTERVAL OF TIME, TO CAUSE ALUMINUM PARTICLES TO ENTER SAID FORMATION, INTRODUCING THEREAFTER AN AQUEOUS CAUSTIC ALKALI SOLUTION UNDER HIGH PRESSURE TO CONTACT SAID ALUMINUM PARTICLES, THEREBY TO INDUCE AN EXOTHERMIC GAS GENERATING REACTION IN SAID EARTH FORMATION, AND, THEREAFTER, RELEASING SAID PRESSURE.
Claim 2
Independent Claim
91 words
THE METHOD OF TREATING EARTH FORMATION TO INDUCE FRACTURES THEREIN TO PROMOTE FLOW OF OIL WHICH COMPPRISES, INJECTING INTO SUCH FORMATIONS UNDER HIGH PRESSURE SUFFICIENT TO INDUCE FRACTURE OF SAID FORMATION A LIQUID CHARACTERIZED BY ITS CARRYING SOLID ALUMINUM PARTICLES SUSPENDED THEREIN, MAINTAINING SAID PRESSURE FOR A PREDETERMINED INTERVAL OF TIME, TO CAUSE ALUMINUM PARTICLES TO ENTER SAID FORMATION, INTRODUCING THEREAFTER AN AQUEOUS CAUSTIC ALKALI SOLUTION UNDER HIGH PRESSURE TO CONTACT SAID ALUMINUM PARTICLES, THEREBY TO INDUCE AN EXOTHERMIC GAS GENERATING REACTION IN SAID EARTH FORMATION, AND, THEREAFTER, RELEASING SAID PRESSURE.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |