US3134436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for use in well treatment
Assignee: Dow Chemical Co
•
Filing: 1958-10-13
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Granted: 1964-05-26
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Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 James O Means
- 👤 Jr Frank H Braunlich
- 👤 Alfred R Hendrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:47
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/50; C09K8/504; C09K8/506; C09K8/508; C09K8/5086; Y; Y10; Y10S; Y10S507/00; Y10S507/935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A WELL TREATING RESINOUS COMPOSITION SETTABLE TO A SUBSTANTIALLY DRY FLUID-PERMEABLE MATERIAL WHEN INJECTED INTO INTERSTICES AND VOIDS OF AN UNCONSOLIDATED SUBTERRANEAN FORMATION TO CONVERT SAID UNCONSOLIDATED PORTIONS TO CONSOLIDATED FLUID-PERMEABLE STRUCTURES, CONSISTING ESSENTIALLY OF (1) A SECOND STAGE PHENOL-ALDEHYDE TYPE RESIN SELECTED FROM THE CLASS CONSISTING OF PHENOL-FORMALDEHYDE IN A MOLAR RATIO OF 1 PHENOL TO ABOUT 1.5 FORMALDEHYDE, CRESYLIC ACID-PARAFORMALDEHYDE IN A MOLAR RATIO OF 1 MOLE OF THE CRESOL GROUP (C6H4CH3OH) TO ABOUT 3 MOLES OF THE ALDEHYDE GROUP (CH2O), AND PHENOL-FORMALDEHYDE-RESORCINOL IN A MOLAR RATIO OF 1 PHENOL TO ABOUT 1.5 MOLES OF FORMALDEHYDE TO ABOUT 0.9 MOLE OF RESORCINOL, AND MIXTURES THEREOF AND (2) BETWEEN 50 AND 125 POUNDS OF A CELLULOSE ETHER SELECTED FROM THE CLASS CONSISTING OF METHYL CELLULOSE AND ETHYL CELLULOSE PER THOUSAND GALLONS OF THE RESIN.
Claim 2
Dependent Claim
135 words
A WELL TREATING RESINOUS COMPOSITION SETTABLE TO A SUBSTANTIALLY DRY FLUID-PERMEABLE MATERIAL WHEN INJECTED INTO INTERSTICES AND VOIDS OF AN UNCONSOLIDATED SUBTERRANEAN FORMATION TO CONVERT SAID UNCONSOLIDATED PORTIONS TO CONSOLIDATED FLUID-PERMEABLE STRUCTURES, CONSISTING ESSENTIALLY OF (1) A SECOND STAGE PHENOL-ALDEHYDE TYPE RESIN SELECTED FROM THE CLASS CONSISTING OF PHENOL-FORMALDEHYDE IN A MOLAR RATIO OF 1 PHENOL TO ABOUT 1.5 FORMALDEHYDE, CRESYLIC ACID-PARAFORMALDEHYDE IN A MOLAR RATIO OF 1 MOLE OF THE CRESOL GROUP (C6H4CH3OH) TO ABOUT 3 MOLES OF THE ALDEHYDE GROUP (CH2O), AND PHENOL-FORMALDEHYDE-RESORCINOL IN A MOLAR RATIO OF 1 PHENOL TO ABOUT 1.5 MOLES OF FORMALDEHYDE TO ABOUT 0.9 MOLE OF RESORCINOL, AND MIXTURES THEREOF AND (2) BETWEEN 50 AND 125 POUNDS OF A CELLULOSE ETHER SELECTED FROM THE CLASS CONSISTING OF METHYL CELLULOSE AND ETHYL CELLULOSE PER THOUSAND GALLONS OF THE RESIN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |