US2799342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating oil well formations
Assignee: California Research LLC
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Filing: 1954-07-30
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Granted: 1957-07-16
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Expires: 1974-07-30
Abstract
No abstract record available.
Inventors
- 👤 Fatt Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:05
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/58; C09K8/592; E; E21; E21B; E21B43/00; E21B43/16; E21B43/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
THE METHOD OF TREATING ON OIL WELL WHICH COMPRISES INTRODUCING INTO SAID WELL A DISPERSION OF ALKALI METALS IN A LIQUID WAX SOLVENT CARRIER WHICH IS INERT TO SAID METALS, PLACING DISPERSION UNDER PRESSURE TO FORCE A PORTION OF SAID ALKALI METALS AND SAID LIQUID WAX SOLVENT CARRIER INTO AN OIL-BEARING FORMATION TO ALLOW SAID ALKALI METAL TO REACT WITH THE WATER CONTAINED WITHIN SAID FORMATION TO RAISE THE TEMPERATURE OF SAID SOLVENT, REACTING THE REMAINING PORTION OF SAID ALKALI METALS WITH WATER IN SAID OIL WELL, AND REMOVING THE REACTION PRODUCTS AND WAX SOLVENT CARRIER AND DISSOLVED WAXES FROM SAID WELL WHILE THE TEMPERATURE OF SAID PRODUCTS AND CARRIER IS ABOVE THE NORMAL TEMPERATURE OF SAID WELL.
Claim 2
Independent Claim
118 words
THE METHOD OF TREATING ON OIL WELL WHICH COMPRISES INTRODUCING INTO SAID WELL A DISPERSION OF ALKALI METALS IN A LIQUID WAX SOLVENT CARRIER WHICH IS INERT TO SAID METALS, PLACING DISPERSION UNDER PRESSURE TO FORCE A PORTION OF SAID ALKALI METALS AND SAID LIQUID WAX SOLVENT CARRIER INTO AN OIL-BEARING FORMATION TO ALLOW SAID ALKALI METAL TO REACT WITH THE WATER CONTAINED WITHIN SAID FORMATION TO RAISE THE TEMPERATURE OF SAID SOLVENT, REACTING THE REMAINING PORTION OF SAID ALKALI METALS WITH WATER IN SAID OIL WELL, AND REMOVING THE REACTION PRODUCTS AND WAX SOLVENT CARRIER AND DISSOLVED WAXES FROM SAID WELL WHILE THE TEMPERATURE OF SAID PRODUCTS AND CARRIER IS ABOVE THE NORMAL TEMPERATURE OF SAID 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) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |