Patent US2419318A successfully refreshed from Google Patents.
Patent US2816610A successfully refreshed from Google Patents.
US2816610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Minimizing water flow into oil wells
Assignee: Phillips Petroleum Co
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Filing: 1954-08-02
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Granted: 1957-12-17
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Expires: 1974-08-02
Abstract
No abstract record available.
Inventors
- 👤 Henry B Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:55
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/607; Y; Y10; Y10S; Y10S507/00; Y10S507/935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A METHOD FOR CARRYING OUT A WATER FLOODING SECONDARY CRUDE OIL RECOVERY OPERATION FROM A CRUDE OIL AND WATER CONTAINING FORMATION WHEREIN WATER IS INJECTED THROUGH A WATER INPUT WELL AND THENCE INTO THE OIL AND WATER BEARING FORMATION, AND OIL AND WATER FLOW INTO AN OIL OUT-PUT WELL, SAID OIL AND WATER BEING PRODUCED FROM SAID OU-PUT WELL, COMPRISING, INJECTING AN AQUEOUS SOLUTION OF A WATER SOLUBLE ALKALI METAL METHYL SILICONATE INTO SAID INPUT WELL AND THENCE INTO AT LEAST THE WATER-WET PORTION OF SAID FORMATION WHEREBY THE WATER SOLUBLE ALKALI METAL METHYL SILICONATE OF SAID AQUEOUS SOLUTION CONTACTS PORT SURFACE OF THE WATER-WET PORTION OF THE FORMATION AND FORMS A DEPOSIT THEREON, AND WHILE SAID PORTION OF SAID FORMATION IS WET WITH SAID AQUEOUS SOLUTION INJECTING WATER INTO SAID FORMATION THROUGH SAID IMPUT WELL AND PRODUCING OIL AND WATER FROM SAID OUTPUT WELL IN SAID SECONDARY RECOVERY OPERATION, AND OIL AND WATER BEING PRODUCED IN A HIGHER OIL-TO-WATER RATIO THAN PRIOR TO INJECTION OF SAID AQUEOUS SOLUTION INTO SAID FORMATION.
Claim 2
Independent Claim
172 words
A METHOD FOR CARRYING OUT A WATER FLOODING SECONDARY CRUDE OIL RECOVERY OPERATION FROM A CRUDE OIL AND WATER CONTAINING FORMATION WHEREIN WATER IS INJECTED THROUGH A WATER INPUT WELL AND THENCE INTO THE OIL AND WATER BEARING FORMATION, AND OIL AND WATER FLOW INTO AN OIL OUT-PUT WELL, SAID OIL AND WATER BEING PRODUCED FROM SAID OU-PUT WELL, COMPRISING, INJECTING AN AQUEOUS SOLUTION OF A WATER SOLUBLE ALKALI METAL METHYL SILICONATE INTO SAID INPUT WELL AND THENCE INTO AT LEAST THE WATER-WET PORTION OF SAID FORMATION WHEREBY THE WATER SOLUBLE ALKALI METAL METHYL SILICONATE OF SAID AQUEOUS SOLUTION CONTACTS PORT SURFACE OF THE WATER-WET PORTION OF THE FORMATION AND FORMS A DEPOSIT THEREON, AND WHILE SAID PORTION OF SAID FORMATION IS WET WITH SAID AQUEOUS SOLUTION INJECTING WATER INTO SAID FORMATION THROUGH SAID IMPUT WELL AND PRODUCING OIL AND WATER FROM SAID OUTPUT WELL IN SAID SECONDARY RECOVERY OPERATION, AND OIL AND WATER BEING PRODUCED IN A HIGHER OIL-TO-WATER RATIO THAN PRIOR TO INJECTION OF SAID AQUEOUS SOLUTION INTO SAID FORMATION.
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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) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |