US3208525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recompletion of wells
Assignee: ExxonMobil Upstream Research Co
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Filing: 1962-06-25
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Granted: 1965-09-28
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Expires: 1982-06-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Caldwell
- 👤 Warren E Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:52
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/136; C; C09; C09K; C09K8/00; C09K8/50; C09K8/504; C09K8/506; C09K8/508; C09K8/5086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A METHOD OF RECOMPLETING A WELL HAVING A WELL CASING, AT A SELECTED EARTH FORMATION PENETRATED BY THE WELL CASING ABOVE THE LEVEL OF A PREVIOUSLY PRODUCED EARTH FORMATION, COMPRISING: ANCHORING A SUPPORT PLUG IN THE BORE OF THE CASING AT A LEVEL IN THE CASING BELOW SAID SELECTED EARTH FORMATION; FORMING A MIXTURE OF EPOXY RESIN, SILICA FLOUR FILLER THEREFOR, A CATALYTIC HARDENER FOR SAID RESIN, AND AN ORGANOFUNCTIONAL SILANE SELECTED FROM THE GROUP CONSISTING OF 2-AMINOETHYL AMINOPROPYL TRIMETHOXY SILANE, 2-AMINOETHYL 2-AMINOPROPYL TRIETHOXY SILANE, 2-AMINOETHYL AMINOPROPYL TRIETHYLENEOXIDE SILANE, 2-AMINOETHYL AMINOPROPYL TRIPROPYLENEOXIDE SILANE, TRICHLOROMETHYLSILANE, DICHLORODIMETHYLSILANE, TRICHLOROETHYLSILANE, TRICHLOROPROPYLSILANE, AMYL SILICON TRICHLORIDE, TRICHLORO DODECYLSILANE, TRICHLORO HEXADECYLSILANE, CHLOROTRIMETHYL SILANE, TRICHLOROPHENYLSILANE, TRICHLOROCYCLOHEXYLSILANE, TRICHLOROVINYLSILANE, AND DICHLORODIPHENYLSILANE IN THE AMOUNT OF BETWEEN .05% AND 10% BY WEIGHT OF RESIN; DEPOSITING SAID MIXTURE ON SAID SUPPORT PLUG; AND PERFORATING SAID CASING AFTER A TIME INTERVAL OF AT LEAST TWO HOURS FROM DEPOSITION OF SAID MIXTURE.
Claim 2
Independent Claim
148 words
A METHOD OF RECOMPLETING A WELL HAVING A WELL CASING, AT A SELECTED EARTH FORMATION PENETRATED BY THE WELL CASING ABOVE THE LEVEL OF A PREVIOUSLY PRODUCED EARTH FORMATION, COMPRISING: ANCHORING A SUPPORT PLUG IN THE BORE OF THE CASING AT A LEVEL IN THE CASING BELOW SAID SELECTED EARTH FORMATION; FORMING A MIXTURE OF EPOXY RESIN, SILICA FLOUR FILLER THEREFOR, A CATALYTIC HARDENER FOR SAID RESIN, AND AN ORGANOFUNCTIONAL SILANE SELECTED FROM THE GROUP CONSISTING OF 2-AMINOETHYL AMINOPROPYL TRIMETHOXY SILANE, 2-AMINOETHYL 2-AMINOPROPYL TRIETHOXY SILANE, 2-AMINOETHYL AMINOPROPYL TRIETHYLENEOXIDE SILANE, 2-AMINOETHYL AMINOPROPYL TRIPROPYLENEOXIDE SILANE, TRICHLOROMETHYLSILANE, DICHLORODIMETHYLSILANE, TRICHLOROETHYLSILANE, TRICHLOROPROPYLSILANE, AMYL SILICON TRICHLORIDE, TRICHLORO DODECYLSILANE, TRICHLORO HEXADECYLSILANE, CHLOROTRIMETHYL SILANE, TRICHLOROPHENYLSILANE, TRICHLOROCYCLOHEXYLSILANE, TRICHLOROVINYLSILANE, AND DICHLORODIPHENYLSILANE IN THE AMOUNT OF BETWEEN .05% AND 10% BY WEIGHT OF RESIN; DEPOSITING SAID MIXTURE ON SAID SUPPORT PLUG; AND PERFORATING SAID CASING AFTER A TIME INTERVAL OF AT LEAST TWO HOURS FROM DEPOSITION OF SAID MIXTURE.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |