US3339633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyepoxide consolidation of earthern materials
Assignee: Shell USA Inc
•
Filing: 1965-07-27
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Granted: 1967-09-05
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Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 Edwin A Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:59
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/14; C09K17/18; C09K8/00; C09K8/56; E; E21; E21B; E21B43/00; E21B43/02; E21B43/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
AN IMPROVED PROCESS FOR CONSOLIDATING LOOSE EARTHERN MATERIALS CONTIGUOUS TO A PENETRATING BOREHOLE IN OILBEARING RESERVOIRS COMPRISING: (A) INJECTING INTO A PORTION OF SUCH A RESERVOIR TO BE CONSOLIDATED THROUGH A PENETRATING BOREHOLE A POLYMERIZING MIXTURE OF POLYEPOXIDES AND POLYAMINES DISPERSED IN A SOLVENT VEHICLE; (B) SUBSEQUENTLY INJECTING AT LEAST AN EQUAL VOLUME OF AN OVERFLUSHING LIQUID IN WHICH SAID SOLVENT VEHICLE IS MISCIBLE AND IN WHICH SAID POLYMERIZING MIXTURE OF POLYEPOXIDES AND POLYAMINES IS SUBSTANTIALLY IMMISCIBLE WHEREBY SAID POLYMERIZING MIXXTURE IS PARTITIONED AND SAID SOLVENT VEHICLE IS EXTRACTED FROM (C) RETAINING SAID OVERFLUSHING LIQUID WITHIN SAID PORTION OF SAID FORMATION BEING CONSOLIDATED UNTIL SAID POLYMERIZING MIXTURE HAS CURED.
Claim 2
Dependent Claim
109 words
AN IMPROVED PROCESS FOR CONSOLIDATING LOOSE EARTHERN MATERIALS CONTIGUOUS TO A PENETRATING BOREHOLE IN OILBEARING RESERVOIRS COMPRISING: (A) INJECTING INTO A PORTION OF SUCH A RESERVOIR TO BE CONSOLIDATED THROUGH A PENETRATING BOREHOLE A POLYMERIZING MIXTURE OF POLYEPOXIDES AND POLYAMINES DISPERSED IN A SOLVENT VEHICLE; (B) SUBSEQUENTLY INJECTING AT LEAST AN EQUAL VOLUME OF AN OVERFLUSHING LIQUID IN WHICH SAID SOLVENT VEHICLE IS MISCIBLE AND IN WHICH SAID POLYMERIZING MIXTURE OF POLYEPOXIDES AND POLYAMINES IS SUBSTANTIALLY IMMISCIBLE WHEREBY SAID POLYMERIZING MIXXTURE IS PARTITIONED AND SAID SOLVENT VEHICLE IS EXTRACTED FROM (C) RETAINING SAID OVERFLUSHING LIQUID WITHIN SAID PORTION OF SAID FORMATION BEING CONSOLIDATED UNTIL SAID POLYMERIZING MIXTURE HAS CURED.
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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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |