US3286770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating wells
Assignee: Halliburton Co
•
Filing: 1965-05-25
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Granted: 1966-11-22
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Expires: 1985-05-25
Abstract
No abstract record available.
Inventors
- 👤 John A Knox
- 👤 Reginald M Lasater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:38
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/84; C09K8/86
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A METHOD OF TREATING NON-OIL-BEARING WATER-WET EARTHEN FORMATIONS FOR INCREASING THE FLOW RATE OF WATER THERETHROUGH, COMPRISING THE STEPS OF: (A) INJECTING INTO SAID FORMATION A WELL TREATING SOLUTION, SAID SOLUTION CONSISTING ESSENTIALLY OF: (1) A TREATING AGENT, WHICH DOES NOT FORM A PRECIPITATE UPON HYDROLYSIS WITH WATER, SELECTED FROM THE GROUP CONSISTING OF THE ORGANOHALOGENSILANES, THE ORGANOSILANE ESTERS, AND MIXTURES THEREOF, AND (2) A WATER, SOLUBLE ANHYDROUS SOLVENT WHICH IS SUBSTANTIALLY NON-REACTIVE WITH SAID TREATING AGENT; AND THEREBY RENDERING SAID FORMATION PREFERENTIALLY OILWETTABLE; AND (B) FOLLOWING WATER THROUGH THE TREATED FORMATION AT A RATE GREATER THAN THAT POSSIBLE THROUGH AN UNTREATED FORMATION OF LIKE COMPOSITION AND UNDER LIKE CONDITIONS.
Claim 2
Independent Claim
110 words
A METHOD OF TREATING NON-OIL-BEARING WATER-WET EARTHEN FORMATIONS FOR INCREASING THE FLOW RATE OF WATER THERETHROUGH, COMPRISING THE STEPS OF: (A) INJECTING INTO SAID FORMATION A WELL TREATING SOLUTION, SAID SOLUTION CONSISTING ESSENTIALLY OF: (1) A TREATING AGENT, WHICH DOES NOT FORM A PRECIPITATE UPON HYDROLYSIS WITH WATER, SELECTED FROM THE GROUP CONSISTING OF THE ORGANOHALOGENSILANES, THE ORGANOSILANE ESTERS, AND MIXTURES THEREOF, AND (2) A WATER, SOLUBLE ANHYDROUS SOLVENT WHICH IS SUBSTANTIALLY NON-REACTIVE WITH SAID TREATING AGENT; AND THEREBY RENDERING SAID FORMATION PREFERENTIALLY OILWETTABLE; AND (B) FOLLOWING WATER THROUGH THE TREATED FORMATION AT A RATE GREATER THAN THAT POSSIBLE THROUGH AN UNTREATED FORMATION OF LIKE COMPOSITION AND UNDER LIKE CONDITIONS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |