US2609052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of well bores
Assignee: Union Oil Company of California
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Filing: 1948-03-12
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Granted: 1952-09-02
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Expires: 1968-03-12
Abstract
No abstract record available.
Inventors
- 👤 Basil P Kantzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:37
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/138
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A METHOD FOR SEALING PERMEABLE UNDERGROUND STRATA WHICH COMPRISES POSITIONING A THERMO-SETTING RESIN-FORMING LIQUID AROUND A HEATER POSITIONED OPPOSITE THE STRATA TO BE SEALED APPLYING HEAT SELECTIVELY TO THE ANNULAR PORTION OF SAID LIQUID BETWEEN SAID HEATER AND SAID STRATA TO CAUSE SOLIDIFICATION TO FORM AN INFUSIBLE AND INSOLUBLE SOLID WITHOUT SUBSTANTIAL HEATING OF THOSE PORTIONS OF SAID LIQUID ABOVE AND BELOW SAID HEATER, STOPPING THE APPLICATION OF HEAT, AND REMOVING THE HEATER AND THE REMAINING PORTION OF UNSOLIDIFIED LIQUID.
Claim 2
Independent Claim
80 words
A METHOD FOR SEALING PERMEABLE UNDERGROUND STRATA WHICH COMPRISES POSITIONING A THERMO-SETTING RESIN-FORMING LIQUID AROUND A HEATER POSITIONED OPPOSITE THE STRATA TO BE SEALED APPLYING HEAT SELECTIVELY TO THE ANNULAR PORTION OF SAID LIQUID BETWEEN SAID HEATER AND SAID STRATA TO CAUSE SOLIDIFICATION TO FORM AN INFUSIBLE AND INSOLUBLE SOLID WITHOUT SUBSTANTIAL HEATING OF THOSE PORTIONS OF SAID LIQUID ABOVE AND BELOW SAID HEATER, STOPPING THE APPLICATION OF HEAT, AND REMOVING THE HEATER AND THE REMAINING PORTION OF UNSOLIDIFIED LIQUID.
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) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |