US3318448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid separating and cleaning method and apparatus
Assignee: Individual
•
Filing: 1963-09-06
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Granted: 1967-05-09
•
Expires: 1983-09-06
Abstract
No abstract record available.
Inventors
- 👤 William E Fryer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:29
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/34; E21B43/35; B; B01; B01D; B01D17/00; B01D17/02; B01D17/0208; B01D17/04; B01D17/042; B01D21/00; B01D21/009; B01D21/02; B01D21/30; B01D21/302; B01D21/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
THAT METHOD OF PLACING CRUDE OIL SEPARATOR APPARATUS IN OPERATION INITIALLY WHICH COMPRISES FLOODING WITH WATER ALL INTERIOR SURFACES TO BE CONTACTED BY CONTAMINATED CRUDE OIL TO BE SUBJECTED TO CLEANING TREATMENT, HEATING SAID WATER TO A TEMPERATURE APPROXIMATING NORMAL OPERATING TEMPERATURE FOR SAID APPARATUS THEREBY ASSURING THAT THE APPARATUS SURFACES ARE FIRST WETTED WITH HOT WATER, AND GRADUALLY INTRODUCING DIRTY OIL TO THE UPPER PORTION OF THE APPARATUS TO FLOAT THE OIL ON SAID WATER AND FORM AN OIL-WATER INTERFACE WHILE LOWERING THE WATER LEVEL BY WITHDRAWING WATER FROM THE BOTTOM PORTION AT A RATE COORDINATED WITH THE RATE OF CRUDE OIL INTRODUCTION UNTIL THE OIL-WATER INTERFACE BETWEEN OIL FLOATING ON THE WATER HAS FALLEN TO THE DESIRED OPERATING LEVEL FOR NORMAL USE OF SAID APPARATUS.
Claim 2
Dependent Claim
180 words
A CONTINUOUSLY OPERATING CRUDE OIL SEPARATOR APPARATUS HAVING AN ELONGATED TUBULAR SHELL HAVING WALLS AND CLOSED AT ITS ENDS AND SUPPORTED WITH ITS AXIS DISPOSED HORIZONTALLY, MEANS FOR MAINTAINING THE LOWER PORTIONS OF SAID SHELL FLOODED WITH WATER AND THE UPPER PORTIONS THEREOF FLOODED WITH OIL TO FORM AN OIL-WATER INTERFACE, FINNED STEAM HEATING PIPES EXTENDING HORIZONTALLY THROUGH THE TOP PORTION OF SAID SHELL ABOVE THE NORMALLY-PREVAILING OIL-WATER INTERFACE AND CONNECTED WITH HEADER MEANS THEREFOR IN ONE END OF THE SHELL, CLEAN OIL SKIMMING WEIR MEANS ACROSS THE OTHER END OF SAID SHELL WITH ITS UPPER EDGE CLOSE TO THE TOP THEREOF, SAID SHELL HAVING AN OIL AND SAND COLLECTING SUMP AND HAVING UPWARDLY DIVERGING WALLS MERGING AT THEIR UPPER PORTIONS THEREOF WITH THE LOWER PORTION OF THE WALLS OF SAID SHELL, SAID DIVERGING WALLS SLOPING AT AN ANGLE IN EXCESS OF THE ANGLE OF REPOSE OF SUBMERGED SAND THEREIN WHEREBY SUBSTANTIALLY ALL SAND SETTLING OUT OF SAID CRUDE OIL GRAVITATES READILY ALONG SAID SLOPING WALLS DIRECTLY INTO SAID SUMP, AND MEANS FOR WITHDRAWING OIL AND WATER FROM SAID SUMP.
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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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |