US3294166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Consolidating earth formations
Assignee: Shell USA Inc
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Filing: 1965-10-22
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Granted: 1966-12-27
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Havenaar Izaak
- 👤 Franciscus H Meys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:48
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
A METHOD FOR TREATING UNCONSOLIDATED POROUS EARTH FORMATION AND FORMING PERMEABLE CONSOLIDATED EARTH FORMATION, COMPRISING THE STEPS OF (A) PREPARING A SOLUTION COMPRISING (1) A REACTION PRODUCT OF A POLYEPOXIDE RESIN AND AN AMINE CURING AGENT INCORPORATED INTO A HYDROCARBON SOLVENT CONSISTING OF A MIXTURE OF AROMATIC AND NON-AROMATIC SATURATED HYDROCARBONS CAPABLE OF MAINTAINING THE REACTION PRODUCT IN SOLUTION FOR A PERIOD OF TIME REQUIRED TO INJECT SAID SOLUTION INTO SAID EARTH FORMATION AND TO ENSURE SUBSEQUENT SEPARATION OF THE REACTION PRODUCT FROM SAID SOLUTION, (2) THE POLYEPOXIDE RESIN HAVING MORE THAN ONE VICINAL EPOXY GROUP PER MOLECULE, AND (3) THE AMINE CURING AGENT FOR SAID POLYEPOXIDE RESIN BEING PRESENT IN AN AMOUNT SUFFICIENT TO REACT WITH AT LEAST A PORTION OF THE EPOXY GROUPS OF THE RESIN AND THE TOAL AMOUNT OF THE REACTION PRODUCT BEING BETWEEN 3 AND 50 VOLUME PERCENT OF THE SOLUTION, (B) INJECTING SAID SOLUTION INTO SAID FORMATION, AND (C) RETAINING SAID SOLUTION IN SAID FORMATION FOR A SUFFICIENT TIME TO PERMIT PARTIALLY CURED POLYEPOXIDE RESIN TO SEPARATE FROM THE SOLUTION, DEPOSIT ON THE GRAINS OF SAID UNCONSOLIDATED POROUS EARTH FORMATION, AND THEREON CURE TO A HARD, CROSS-LINKED HYDROCARBON INSOLUBLE RESIN AND THEREBY BIND THE GRAINS OF SAID FORMATION INTO A CONSOLIDATED PERMEABLE EARTH FORMATION.
Claim 2
Independent Claim
210 words
A METHOD FOR TREATING UNCONSOLIDATED POROUS EARTH FORMATION AND FORMING PERMEABLE CONSOLIDATED EARTH FORMATION, COMPRISING THE STEPS OF (A) PREPARING A SOLUTION COMPRISING (1) A REACTION PRODUCT OF A POLYEPOXIDE RESIN AND AN AMINE CURING AGENT INCORPORATED INTO A HYDROCARBON SOLVENT CONSISTING OF A MIXTURE OF AROMATIC AND NON-AROMATIC SATURATED HYDROCARBONS CAPABLE OF MAINTAINING THE REACTION PRODUCT IN SOLUTION FOR A PERIOD OF TIME REQUIRED TO INJECT SAID SOLUTION INTO SAID EARTH FORMATION AND TO ENSURE SUBSEQUENT SEPARATION OF THE REACTION PRODUCT FROM SAID SOLUTION, (2) THE POLYEPOXIDE RESIN HAVING MORE THAN ONE VICINAL EPOXY GROUP PER MOLECULE, AND (3) THE AMINE CURING AGENT FOR SAID POLYEPOXIDE RESIN BEING PRESENT IN AN AMOUNT SUFFICIENT TO REACT WITH AT LEAST A PORTION OF THE EPOXY GROUPS OF THE RESIN AND THE TOAL AMOUNT OF THE REACTION PRODUCT BEING BETWEEN 3 AND 50 VOLUME PERCENT OF THE SOLUTION, (B) INJECTING SAID SOLUTION INTO SAID FORMATION, AND (C) RETAINING SAID SOLUTION IN SAID FORMATION FOR A SUFFICIENT TIME TO PERMIT PARTIALLY CURED POLYEPOXIDE RESIN TO SEPARATE FROM THE SOLUTION, DEPOSIT ON THE GRAINS OF SAID UNCONSOLIDATED POROUS EARTH FORMATION, AND THEREON CURE TO A HARD, CROSS-LINKED HYDROCARBON INSOLUBLE RESIN AND THEREBY BIND THE GRAINS OF SAID FORMATION INTO A CONSOLIDATED PERMEABLE EARTH FORMATION.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |