Patent US3082823A successfully refreshed from Google Patents.
US3082823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and method for sealing porous formations
Assignee: Halliburton Co
•
Filing: 1960-03-31
•
Granted: 1963-03-26
•
Expires: 1980-03-31
Abstract
No abstract record available.
Inventors
- 👤 Wayne F Hower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:45
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/50; C09K8/502
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A METHOD OF TREATING OIL WELLS, GAS WELLS AND THE LIKE TO RESTORE LOST CIRCULATION WHICH COMPRISES THE STEPS OF FORMING A SLURRY OF BENTONITE AND A GEL-FORMINGS GUM SELECTED FROM THE GROUP CONSISTING OF NATURAL EL-FORMING GUMS AND SYNTHETIC GEL-FORMING GUMS, IN A NONAQUEOUS LIQUID CARRIER IN PROPORTIONS SUCH THAT UPON CONTACT WITH AN AQUEOUS FLUID SELECTED FROM THE GROUP CONSISTING OF FRESH WATER, SALT WATER, BRINES AND MIXTURES THEREOF A STIFF GEL-LIKE MASS IS FORMED, FORCING THE SLURRY INTO A LOST CIRCULATION FORMATION IN SAID WELL AND CONTACTING THE SLURRY THEREIN WITH THE AQUEOUS FLUID TO FORM A STIFF FLUID IMPERVIOUS GEL, THEREBY SEALING OFF THE FORMATION ARE RESTORING CIRCULATION IN THE WELL.
Claim 2
Independent Claim
115 words
A METHOD OF TREATING OIL WELLS, GAS WELLS AND THE LIKE TO RESTORE LOST CIRCULATION WHICH COMPRISES THE STEPS OF FORMING A SLURRY OF BENTONITE AND A GEL-FORMINGS GUM SELECTED FROM THE GROUP CONSISTING OF NATURAL EL-FORMING GUMS AND SYNTHETIC GEL-FORMING GUMS, IN A NONAQUEOUS LIQUID CARRIER IN PROPORTIONS SUCH THAT UPON CONTACT WITH AN AQUEOUS FLUID SELECTED FROM THE GROUP CONSISTING OF FRESH WATER, SALT WATER, BRINES AND MIXTURES THEREOF A STIFF GEL-LIKE MASS IS FORMED, FORCING THE SLURRY INTO A LOST CIRCULATION FORMATION IN SAID WELL AND CONTACTING THE SLURRY THEREIN WITH THE AQUEOUS FLUID TO FORM A STIFF FLUID IMPERVIOUS GEL, THEREBY SEALING OFF THE FORMATION ARE RESTORING CIRCULATION IN THE WELL.
References Cited (Backward Citations)
US2065512A
Cited
US2233872A
Cited
US2337296A
Cited
US2598170A
Cited
US2801077A
Cited
US2800964A
Cited
US2887159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |