US3254716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for consolidating unconsolidated subsurface formations
Assignee: Gulf Research and Development Co
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Filing: 1963-11-19
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Granted: 1966-06-07
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Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 Benny M Fitzgerald
- 👤 Paul L Terwilliger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:14
CPC Classifications
E; E21; E21B; E21B36/00; E21B43/00; E21B43/02; E21B43/025; E21B43/16; E21B43/24; E21B43/243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD OF CONSOLIDATING AN INCOMPETENT OIL-BEARING FORMATION PENETRATED BY THE BOREHOLE OF A WELL COMPRISING INJECTING DOWN THE WELL AND INTO SAID FORMATION A MIXTURE OF STEAM, CONDENSATE, AND AIR AT A TEMPERATURE IN THE RANGE OF 200* TO 500*F. FOR A CONTINUOUS PERIOD ADEQUATE TO CONVERT OIL IN THE FORMATION ADJACENT THE BOREHOLE TO COKE BONDING THE PARTICLES OF THE INCOMPETENT FORMATION INTO A STRONG PERMEABLE MASS.
Claim 2
Independent Claim
69 words
A METHOD OF CONSOLIDATING AN INCOMPETENT OIL-BEARING FORMATION PENETRATED BY THE BOREHOLE OF A WELL COMPRISING INJECTING DOWN THE WELL AND INTO SAID FORMATION A MIXTURE OF STEAM, CONDENSATE, AND AIR AT A TEMPERATURE IN THE RANGE OF 200* TO 500*F. FOR A CONTINUOUS PERIOD ADEQUATE TO CONVERT OIL IN THE FORMATION ADJACENT THE BOREHOLE TO COKE BONDING THE PARTICLES OF THE INCOMPETENT FORMATION INTO A STRONG PERMEABLE MASS.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |