US2830957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion breaking in crude oil desalting operations
Assignee: Phillips Petroleum Co
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Filing: 1954-09-27
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Granted: 1958-04-15
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Expires: 1974-09-27
Abstract
No abstract record available.
Inventors
- 👤 Hubert F Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:09
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD FOR CONTINUOUSLY BREAKING AN AQUEOUS CRUDE OIL EMULSION COMPRISING CONTINOUSLY INTRODUCING CRUDE OIL CONTAINING SAID EMULSION INTO A SETTLING ZONE. CONTINUOUSLY WITHDRAWING EMULSION FROM AN INTERMEDIATE LEVEL OF SAID ZONE, ADDING AN EMULSION BREAKING AGENT TO THE WITHDRAWN EMULSION, ADDING THE MIXTURE OF WITHDRAWN EMULSION AND EMULSION BREAKING AGENT TO THE ORIGIINAL CRUDE OIL CONTAINING SAID EMULSION BEFORE INTRODUCING INTO SAID ZONE, AND REMOVING EMULSION-FREE CRUDE OIL AND AN AQUEOUS PHASE FROM SAID SETTLING ZONE AS SEPARATE PRODUCTS OF THE PROCESS.
Claim 2
Independent Claim
83 words
A METHOD FOR CONTINUOUSLY BREAKING AN AQUEOUS CRUDE OIL EMULSION COMPRISING CONTINOUSLY INTRODUCING CRUDE OIL CONTAINING SAID EMULSION INTO A SETTLING ZONE. CONTINUOUSLY WITHDRAWING EMULSION FROM AN INTERMEDIATE LEVEL OF SAID ZONE, ADDING AN EMULSION BREAKING AGENT TO THE WITHDRAWN EMULSION, ADDING THE MIXTURE OF WITHDRAWN EMULSION AND EMULSION BREAKING AGENT TO THE ORIGIINAL CRUDE OIL CONTAINING SAID EMULSION BEFORE INTRODUCING INTO SAID ZONE, AND REMOVING EMULSION-FREE CRUDE OIL AND AN AQUEOUS PHASE FROM SAID SETTLING ZONE AS SEPARATE PRODUCTS OF THE PROCESS.
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) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |