Patent US3346048A successfully refreshed from Google Patents.
US3346048A
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Thermal recovery method for oil sands
Assignee: Mobil Oil AS
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Filing: 1964-12-17
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Granted: 1967-10-10
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Expires: 1984-12-17
Abstract
No abstract record available.
Inventors
- 👤 Lloyd K Strange
- 👤 James E Marberry
- 👤 David S Koons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:59
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/16; E21B43/17; E21B43/24; E21B43/2401
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A METHOD FOR CREATING A FRACTURE AT ABOUT A DESIRED DEPTH IN A DEPOSIT OF OIL SANDS RESIDING IN A SUBTERRANEAN FORMATION FROM A BOREHOLE SUBJECT TO THERMAL EXPANSION,
Claim 2
Independent Claim
29 words
A METHOD FOR CREATING A FRACTURE AT ABOUT A DESIRED DEPTH IN A DEPOSIT OF OIL SANDS RESIDING IN A SUBTERRANEAN FORMATION FROM A BOREHOLE SUBJECT TO THERMAL EXPANSION,
References Cited (Backward Citations)
US2368424A
Cited
US3018095A
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US3050119A
Cited
US3211221A
Cited
US3145772A
Cited
US3196945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |