US3283813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saline water conversion by subsurface processes
Assignee: Atlantic Richfield Co
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Filing: 1965-09-22
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Granted: 1966-11-08
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Expires: 1985-09-22
Abstract
No abstract record available.
Inventors
- 👤 Eugene R Brownscombe
- 👤 Henry F Dunlap
- 👤 Loyd R Kern
- 👤 Thomas K Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:30
CPC Classifications
E; E03; E03B; E03B3/00; E03B3/06; E03B3/08; E03B3/16; E03B3/18; B; B01; B01D; B01D61/00; B01D61/02; B01D61/025; C; C02; C02F; C02F1/00; C02F1/44; C02F1/441; E21; E21B; E21B41/00; E21B41/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD FOR PRODUCING WATER HAVING A REDUCED SALT CONTENT BY A SUBSURFACE PROCESS OF REVERSE OSMOSIS COMPRISING (A) DRILLING A PLURALITY OF BOREHOLES TO A PERMEABLE SUBSURFACE FORMATION, (B) FRACTURING SAID FORMATION TO PRODUCE AT LEAST ONE FRACTURE, (C) DEPOSITING OSMOTIC MATERIAL WITHIN EACH SAID FRACTURE AS A CONTINUOUS LAYER, (D) INJECTING SALINE WATER INTO SAID FORMATION THROUGH A FIRST BOREHOLE, (E) APPLYING PRESSURE TO SAID SALINE WATER IN EXCESS
Claim 2
Independent Claim
71 words
A METHOD FOR PRODUCING WATER HAVING A REDUCED SALT CONTENT BY A SUBSURFACE PROCESS OF REVERSE OSMOSIS COMPRISING (A) DRILLING A PLURALITY OF BOREHOLES TO A PERMEABLE SUBSURFACE FORMATION, (B) FRACTURING SAID FORMATION TO PRODUCE AT LEAST ONE FRACTURE, (C) DEPOSITING OSMOTIC MATERIAL WITHIN EACH SAID FRACTURE AS A CONTINUOUS LAYER, (D) INJECTING SALINE WATER INTO SAID FORMATION THROUGH A FIRST BOREHOLE, (E) APPLYING PRESSURE TO SAID SALINE WATER IN EXCESS
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |