Patent US3177940A successfully refreshed from Google Patents.
US3177940A
Expired / Lapsed
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Method for obtaining fresh water from brine
Assignee: Texaco Inc
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Filing: 1962-03-27
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Granted: 1965-04-13
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Expires: 1982-03-27
Abstract
No abstract record available.
Inventors
- 👤 Brink Karl C Ten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:03
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/10; Y; Y10; Y10S; Y10S203/00; Y10S203/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD FOR OBTAINING FRESH WATER FROM A BRINE WELL WHICH TAPS AN UNDERGROUND BRINE PRODUCING FORMATION, COMPRISING (A) BURNING COMBUSTIBLE MATERIAL IN SAID WELL AND FORMING HOT GASES WHILE MAINTAINING SAID WELL UNDER SUPER-ATMOSPHERIC PRESSURE; (B) HEATING BRINE PRODUCED FROM SAID FORMATION IN SAID WELL WITH SAID HOT GASES WHILE LIFTING SAID BRINE TO THE SURFACE OF THE EARTH WITH SAID GASES; (C) REDUCING THE PRESSURE OF SAID BRINE AT SAID SURFACE TO A SECOND PRESSURE AT WHICH WATER VAPOR IS DRIVEN OFF AT THE TEMPERATURE OF SAID BRINE; (D) CONDENSING THE WATER VAPOR THUS DRIVEN OFF TO FRESH WATER; AND (E) RECOVERING SAID FRESH WATER.
Claim 2
Independent Claim
107 words
A METHOD FOR OBTAINING FRESH WATER FROM A BRINE WELL WHICH TAPS AN UNDERGROUND BRINE PRODUCING FORMATION, COMPRISING (A) BURNING COMBUSTIBLE MATERIAL IN SAID WELL AND FORMING HOT GASES WHILE MAINTAINING SAID WELL UNDER SUPER-ATMOSPHERIC PRESSURE; (B) HEATING BRINE PRODUCED FROM SAID FORMATION IN SAID WELL WITH SAID HOT GASES WHILE LIFTING SAID BRINE TO THE SURFACE OF THE EARTH WITH SAID GASES; (C) REDUCING THE PRESSURE OF SAID BRINE AT SAID SURFACE TO A SECOND PRESSURE AT WHICH WATER VAPOR IS DRIVEN OFF AT THE TEMPERATURE OF SAID BRINE; (D) CONDENSING THE WATER VAPOR THUS DRIVEN OFF TO FRESH WATER; AND (E) RECOVERING SAID FRESH WATER.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |