US3396107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for fracturing process
Assignee: Producers Chemical Co
•
Filing: 1964-03-13
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Granted: 1968-08-06
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Expires: 1984-03-13
Abstract
No abstract record available.
Inventors
- 👤 Hill William Armistead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:18
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/62; Y; Y10; Y10S; Y10S507/00; Y10S507/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A STABLE FRACTURING COMPOSITION FOR TREATING AN UNDERGROUND FORMATION CONTAINING A DEPOSIT CHOSEN FROM THE GROUP CONSISTING OF OIL AND GAS WHICH COMPOSITION CONSISTS OF A LIQUID-LIQUID MIXTURE OF LIQUID CARBON DIOXIDE AND WATER WHEREIN THE AMOUNT OF LIQUID CARBON DIOXIDE ADMIXED WITH THE WATER PROVIDES A CO2 GAS TO WATER RATIO, MEASURED AT 14.7 P.S.I.A. AND 8/*F., OF FROM 300 TO 1500 CUBIC FEET OF GAS PER 4I GALLON BARREL OF WATER, SAID COMPOSITION BEING BELOW THE CRITICAL TEMPERATURE AND ABOVE THE CRITICAL PRESSURE OF CARBON DIOXIDE, AND UNIFORM.
Claim 2
Dependent Claim
90 words
A STABLE FRACTURING COMPOSITION FOR TREATING AN UNDERGROUND FORMATION CONTAINING A DEPOSIT CHOSEN FROM THE GROUP CONSISTING OF OIL AND GAS WHICH COMPOSITION CONSISTS OF A LIQUID-LIQUID MIXTURE OF LIQUID CARBON DIOXIDE AND WATER WHEREIN THE AMOUNT OF LIQUID CARBON DIOXIDE ADMIXED WITH THE WATER PROVIDES A CO2 GAS TO WATER RATIO, MEASURED AT 14.7 P.S.I.A. AND 8/*F., OF FROM 300 TO 1500 CUBIC FEET OF GAS PER 4I GALLON BARREL OF WATER, SAID COMPOSITION BEING BELOW THE CRITICAL TEMPERATURE AND ABOVE THE CRITICAL PRESSURE OF CARBON DIOXIDE, AND UNIFORM.
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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) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |