Patent US3195633A successfully refreshed from Google Patents.
US3195633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing fresh water or petroleum from underground reservoir formations without contamination of underlying heavier liquid
Assignee: Individual
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Filing: 1960-08-26
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Granted: 1965-07-20
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Expires: 1980-08-26
Abstract
No abstract record available.
Inventors
- 👤 Charles E Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:45
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A METHOD OF REMOVING A LIGHTER LIQUID FROM AN UNDERGROUND RESERVOIR FORMATION IN WHICH SAID LIGHTER LIQUID OVERLIES A HEAVIER LESS DESIRABE LIQUID, WITH A NORMAL STATIC INTERFACE BETWEEN SAID LIGHTER AND HEAVIER LIQUIDS, COMPRISING: PROVIDING A WELL WHICH PENETRATES THE RESERVOIR STRATUM SATURATED WITH THE LIGHTER LIQUID AND A SUBSTANTIAL DISTANCE BELOW SAID NORMAL STATIC LIQUID AND A SAID STRATUM SATURATED WITH THE HEAVIER LIQUID; DIVIDING SAID WELL INTO LOWER, INTERMEDIATE, AND MAIN UPPER CHAMBERS, BY SEALING SAID WELL AT TWO SPACED LOCATIONS, WITH THE TOP OF SAID LOWER CHAMBER BEING AT ABOUT THE LEVEL OF SAID STATIC INTERFACE, WITH A PASSAGEWAY BETWEEN SAID LOWER AND INTERMEDIATE CHAMBERS; CIRCULATING A PORTION OF HEAVIER LIQUID INTO SAID MIDDLE CHAMBER OF THE WELL AND THENCE THROUGH SAID PASSAGEWAY INTO SAID LOWER WELL CHAMBER, AND INJECTING SAID PORTION OF HEAVIER LIQUID OUTWARDLY FROM SAID LOWER WELL CHAMBER AT A SUBSTANTIAL DISTANCE BELOW SAID NORMAL STATIC INTERFACE; AND REMOVING TO THE SURFACE THE LIGHTER LIQUID PASSING FROM THE RESERVOIR FORMATION INTO THE MAIN UPPER CHAMBER OF THE WELL.
Claim 2
Independent Claim
175 words
A METHOD OF REMOVING A LIGHTER LIQUID FROM AN UNDERGROUND RESERVOIR FORMATION IN WHICH SAID LIGHTER LIQUID OVERLIES A HEAVIER LESS DESIRABE LIQUID, WITH A NORMAL STATIC INTERFACE BETWEEN SAID LIGHTER AND HEAVIER LIQUIDS, COMPRISING: PROVIDING A WELL WHICH PENETRATES THE RESERVOIR STRATUM SATURATED WITH THE LIGHTER LIQUID AND A SUBSTANTIAL DISTANCE BELOW SAID NORMAL STATIC LIQUID AND A SAID STRATUM SATURATED WITH THE HEAVIER LIQUID; DIVIDING SAID WELL INTO LOWER, INTERMEDIATE, AND MAIN UPPER CHAMBERS, BY SEALING SAID WELL AT TWO SPACED LOCATIONS, WITH THE TOP OF SAID LOWER CHAMBER BEING AT ABOUT THE LEVEL OF SAID STATIC INTERFACE, WITH A PASSAGEWAY BETWEEN SAID LOWER AND INTERMEDIATE CHAMBERS; CIRCULATING A PORTION OF HEAVIER LIQUID INTO SAID MIDDLE CHAMBER OF THE WELL AND THENCE THROUGH SAID PASSAGEWAY INTO SAID LOWER WELL CHAMBER, AND INJECTING SAID PORTION OF HEAVIER LIQUID OUTWARDLY FROM SAID LOWER WELL CHAMBER AT A SUBSTANTIAL DISTANCE BELOW SAID NORMAL STATIC INTERFACE; AND REMOVING TO THE SURFACE THE LIGHTER LIQUID PASSING FROM THE RESERVOIR FORMATION INTO THE MAIN UPPER CHAMBER OF THE WELL.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |