US3074870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for electrically separating the phases of a water-in-oil emulsion
Assignee: Carpco Kewanee Inc
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Filing: 1959-03-31
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Granted: 1963-01-22
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Expires: 1979-03-31
Abstract
No abstract record available.
Inventors
- 👤 John L Carswell
- 👤 Carpenter James Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:38
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
THE METHOD OF SEPARATING THE PHASES OF A WATER-INOIL EMULSION WHICH COMPRISES MAINTAINING A RELATIVELY DEEP BODY OF OIL AND WATER, DIRECTING A STREAM OF WATERIN-OIL EMULSION UPWARDLY FROM WITHIN SAID BODY TO THE SURFACE, OF SAID BODY, SUBJECTING THE EMULSION AT THE SURFACE OF SAID BODY TO A PLURALITY OF SPACED CORONA WIND DISCHARGES, SUBJECTING AT LEAST A PORTION OF SAID SURFACE TO AN UNDERLYING CHARGE, OPPOSITE TO THAT OF SAID CORONA WIND DISCHARGES, WHEREBY THE WATER PARTICLES OF THE WATERIN-OIL EMULSION ARE CONTACTED BY SAID CORONA WIND DISCHARGES TO ASSUME A CHARGE AND ARE DRAWN TOWARD SAID UNDERLYING CHARGE TO COALESCE, SETTLE FURTHER AND SEPARATE FROM THE OIL PHASE OF THE EMULSION, SLOWLY FLOWING THE TREATED OIL IN SAID LIQUID BODY WHILE MAINTAINING THE TREATED OIL IN A RELATIVELY QUIESCENT STATE TO PERMIT THE WATER TO SETTLE THEREFROM, WITHDRAWING THE TREATED OIL FROM THE UPPER PORTION OF SAID LIQUID BODY, AND WITHDRAWING WATER FROM THE LOWER PORTION OF SAID LIQUID BODY.
Claim 2
Independent Claim
163 words
THE METHOD OF SEPARATING THE PHASES OF A WATER-INOIL EMULSION WHICH COMPRISES MAINTAINING A RELATIVELY DEEP BODY OF OIL AND WATER, DIRECTING A STREAM OF WATERIN-OIL EMULSION UPWARDLY FROM WITHIN SAID BODY TO THE SURFACE, OF SAID BODY, SUBJECTING THE EMULSION AT THE SURFACE OF SAID BODY TO A PLURALITY OF SPACED CORONA WIND DISCHARGES, SUBJECTING AT LEAST A PORTION OF SAID SURFACE TO AN UNDERLYING CHARGE, OPPOSITE TO THAT OF SAID CORONA WIND DISCHARGES, WHEREBY THE WATER PARTICLES OF THE WATERIN-OIL EMULSION ARE CONTACTED BY SAID CORONA WIND DISCHARGES TO ASSUME A CHARGE AND ARE DRAWN TOWARD SAID UNDERLYING CHARGE TO COALESCE, SETTLE FURTHER AND SEPARATE FROM THE OIL PHASE OF THE EMULSION, SLOWLY FLOWING THE TREATED OIL IN SAID LIQUID BODY WHILE MAINTAINING THE TREATED OIL IN A RELATIVELY QUIESCENT STATE TO PERMIT THE WATER TO SETTLE THEREFROM, WITHDRAWING THE TREATED OIL FROM THE UPPER PORTION OF SAID LIQUID BODY, AND WITHDRAWING WATER FROM THE LOWER PORTION OF SAID LIQUID BODY.
References Cited (Backward Citations)
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US1578624A
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US1838847A
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US1838929A
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US2033137A
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US2033418A
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US2209798A
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US2884375A
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |