US3076762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acidizing of wells
Assignee: Halliburton Co
•
Filing: 1960-06-20
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Granted: 1963-02-05
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Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Walter R Dill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:17
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/60; C09K8/62; C09K8/72; Y; Y10; Y10S; Y10S507/00; Y10S507/933
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
26 words
AN ACIDIZING FLUID CONSISTING ESSENTIALLY OF: A WELL TREATING ACID OF THE TYPE USED IN ACIDIZING WELLS TO INCREASE THE PRODUCTION THEREOF AND SOLID CARBON DIOXIDE.
Claim 2
Dependent Claim
26 words
AN ACIDIZING FLUID CONSISTING ESSENTIALLY OF: A WELL TREATING ACID OF THE TYPE USED IN ACIDIZING WELLS TO INCREASE THE PRODUCTION THEREOF AND SOLID CARBON DIOXIDE.
Claim 3
Independent Claim
86 words
A METHOD OF ACIDIZING LIMESTONE AND OTHER EARTHEN FORMATIONS, COMPRISING THE STEPS OF: (A) DISPERSING A QUANTITY OF CARBON DIOXIDE, IN THE FORM SELECTED FROM THE GROUP CONSISTING OF SOLID CARBON DIOXIDE AND LIQUID CARBON DIOXIDE, INTO A WELL TREATTING ACID OF THE TYPE USED IN ACIDIZING WELLS TO INCREASE THE PRODUCTION THEREOF, WHEREBY A RETARDED ACIDIZING FLUID IS OBTAINED; AND (B) INTRODUCING THE ACIDIZING FLUID COMPRISING SAID ACID AND SAID DISPERSED FORM OF CARBON DIOXIDE INTO A WELL BORE FOR ACIDIZING THE EARTHEN FORMATION THEREIN.
Claim 4
Independent Claim
86 words
A METHOD OF ACIDIZING LIMESTONE AND OTHER EARTHEN FORMATIONS, COMPRISING THE STEPS OF: (A) DISPERSING A QUANTITY OF CARBON DIOXIDE, IN THE FORM SELECTED FROM THE GROUP CONSISTING OF SOLID CARBON DIOXIDE AND LIQUID CARBON DIOXIDE, INTO A WELL TREATTING ACID OF THE TYPE USED IN ACIDIZING WELLS TO INCREASE THE PRODUCTION THEREOF, WHEREBY A RETARDED ACIDIZING FLUID IS OBTAINED; AND (B) INTRODUCING THE ACIDIZING FLUID COMPRISING SAID ACID AND SAID DISPERSED FORM OF CARBON DIOXIDE INTO A WELL BORE FOR ACIDIZING THE EARTHEN FORMATION THEREIN.
References Cited (Backward Citations)
US2053285A
Cited
US2050933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |