US3247902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention of emulsion formation in crude oil production
Assignee: Marathon Oil Co
•
Filing: 1962-11-13
•
Granted: 1966-04-26
•
Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Hendrik K Van Poollen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:34
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/52; C09K8/528
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE PROCESS OF PREVENTING THE FORMATION OF EMULSIONS IN HYDROCARBON FLUID PRODUCTION FROM SUBTERRANEAN HYDROCARBON-BEARING FORMATIONS COMPRISING (A) SUSPENDING PARTICLES COMPOSED SUBSTANTIALLY ENTIRELY OF EMULSION-RESOLVING AGENT, SLIGHTLY SOLUBLE IN ALL THE FORMATION LIQUIDS, IN A CARRIER FLUID; (B) INJECTING THE SUSPENSION OF EMULSION-RESOLVING AGENT IN THE CARRIER FLUID INTO A SUBTERRANEAN FORMATION THROUGH A WELL DRILLED THEREIN TO DISPERSE THE EMULSION-RESOLVING AGENT WITHIN THE FORMATION; (C) DEPOSITING THE DSPERSED EMULSION-RESOLVING AGENT WITHIN THE FORMATION; AND (D) RECOVERING THE HYDROCARBON FLUIDS FROM THE FORMATION.
Claim 2
Dependent Claim
83 words
THE PROCESS OF PREVENTING THE FORMATION OF EMULSIONS IN HYDROCARBON FLUID PRODUCTION FROM SUBTERRANEAN HYDROCARBON-BEARING FORMATIONS COMPRISING (A) SUSPENDING PARTICLES COMPOSED SUBSTANTIALLY ENTIRELY OF EMULSION-RESOLVING AGENT, SLIGHTLY SOLUBLE IN ALL THE FORMATION LIQUIDS, IN A CARRIER FLUID; (B) INJECTING THE SUSPENSION OF EMULSION-RESOLVING AGENT IN THE CARRIER FLUID INTO A SUBTERRANEAN FORMATION THROUGH A WELL DRILLED THEREIN TO DISPERSE THE EMULSION-RESOLVING AGENT WITHIN THE FORMATION; (C) DEPOSITING THE DSPERSED EMULSION-RESOLVING AGENT WITHIN THE FORMATION; AND (D) RECOVERING THE HYDROCARBON FLUIDS FROM THE FORMATION.
References Cited (Backward Citations)
US1223659A
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US1593893A
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |