Patent US3856482A successfully refreshed from Google Patents.
US3856482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degassing of brine
Assignee: OCCIDENTIAL ELECTROCHEMICALS Corp
•
Filing: 1972-12-18
•
Granted: 1974-12-24
•
Expires: 1992-12-18
Abstract
Abstract Brine coming to the earth''s surface can contain substances other than salt in water; occasionally of particular interest is gas contained in the brine, especially natural gas or methane or ethane. As the brine reaches the surface of the earth, the presence of this gas is visibly apparent and gives the brine a cloudy appearance. This gas is typically well dispersed through the brine initially as very minute incipient gas bubbles that will accumulate and separate from the brine, given sufficient time. A method is herein provided for quickly and efficiently clarifying the brine by passing the cloudy brine through a filter zone providing a pressure drop across the zone of greater than about 20 p.s.i.g.
Inventors
- 👤 Fortune R La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:14
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/28; B; B01; B01D; B01D19/00; B01D19/0031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
THE METHOD OF CLARIFYING BRINE CLOUDED BY VERY FINELY DIVIDED AND SUBSTANTIALLY UNIFORMLY DISPERSED INCIPIENT GAS BUBBLES, WHICH METHOD COMPRISES: A. PASSING THE CLOUDED BRINE INTO A FIBROUS FILTER ELEMENT DISPOSED WITHIN A FILTER ZONE, SAID ELEMENT HAVING A FIBER DENSITY SUFFICIENT TO PROVIDE A PRESSURE DROP FOR SAID BRINE ACROSS SAID FILTER ELEMENT OF NOT SUBSTANTIALLY BELOW ABOUT 20 P.S.I.G., AND CONTAINING IN THE ELEMENT NATURAL FIBERS, SYNTHETIC FIBERS, OR BOTH MAINTAINED IN SAID FILTER ZONE AT LEAST IN PART BY RESIN BINDING, WHEREIN SAID FIBERS ATE SELECTED FROM THE GROUP CONSISTING OF NATURAL WOOL, CELLULOSE, AND RAYON, AND SAID FIBERS ARE BOUND TOGETHER BY A SYNTHETIC, WATER-INSOLUBLE RESIN; B. WITHDRAWING FLOWING, CLARIFIED AND GAS-DEPLETED BRINE FROM THE DOWNSTREAM REGION OF SAID FILTER ZONE, SAID CLARIFIED BRINE BEING AT A PRESSURE OF NOT SUBSTANTIALLY LESS THAN ABOUT 20 P.S.I.G. BELOW THE PRESSURE OF SAID CLOUDED BRINE ENTERING SAID FILTER ELEMENT; AND C. PERMITTING PASSAGE OF GAS FROM SAID ZONE AND AWAY FROM THE RESULTING CLARIFIED BRINE FLOWING AWAY FROM SAID FILTER ZONE.
Claim 2
Independent Claim
173 words
THE METHOD OF CLARIFYING BRINE CLOUDED BY VERY FINELY DIVIDED AND SUBSTANTIALLY UNIFORMLY DISPERSED INCIPIENT GAS BUBBLES, WHICH METHOD COMPRISES: A. PASSING THE CLOUDED BRINE INTO A FIBROUS FILTER ELEMENT DISPOSED WITHIN A FILTER ZONE, SAID ELEMENT HAVING A FIBER DENSITY SUFFICIENT TO PROVIDE A PRESSURE DROP FOR SAID BRINE ACROSS SAID FILTER ELEMENT OF NOT SUBSTANTIALLY BELOW ABOUT 20 P.S.I.G., AND CONTAINING IN THE ELEMENT NATURAL FIBERS, SYNTHETIC FIBERS, OR BOTH MAINTAINED IN SAID FILTER ZONE AT LEAST IN PART BY RESIN BINDING, WHEREIN SAID FIBERS ATE SELECTED FROM THE GROUP CONSISTING OF NATURAL WOOL, CELLULOSE, AND RAYON, AND SAID FIBERS ARE BOUND TOGETHER BY A SYNTHETIC, WATER-INSOLUBLE RESIN; B. WITHDRAWING FLOWING, CLARIFIED AND GAS-DEPLETED BRINE FROM THE DOWNSTREAM REGION OF SAID FILTER ZONE, SAID CLARIFIED BRINE BEING AT A PRESSURE OF NOT SUBSTANTIALLY LESS THAN ABOUT 20 P.S.I.G. BELOW THE PRESSURE OF SAID CLOUDED BRINE ENTERING SAID FILTER ELEMENT; AND C. PERMITTING PASSAGE OF GAS FROM SAID ZONE AND AWAY FROM THE RESULTING CLARIFIED BRINE FLOWING AWAY FROM SAID FILTER ZONE.
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) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |