US3126958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cementing casing
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:20
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/42; C04; C04B; C04B40/00; C04B40/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A METHOD OF CEMENTING CASING IN A WELL COMPRISING THE STEPS OF INJECTING INTO SAID WELL THROUGH A FIRST CONDUIT A NON-AQUEOUS LIQUID SLURRY OF FINELY DIVIDED HYDRAULIC CEMENT, SIMULTANEOUSLY INJECTING INTO SAID WELL THROUGH A SECOND CONDUIT AN AQUEOUS LIQUID CAPABLE OF HYDRATING SAID CEMENT, THE RATIO OF SAID CEMENT TO SAID AQUEOUS LIQUID BEING SUFFICIENT TO PRODUCE A SETTABLE CEMENT COMPOSITION, INTIMATELY MIXING WITHIN SAID WELL AT A POINT ADJACENT TO THE OUTLET OF SAID CASING SAID SLURRY AND SAID AQUEOUS LIQUID TO PRODUCE A SETTABLE, READILYFLOWABLE, UNIFORM MIXTURE THEREOF, AND AS SAID SLURRY AND SAID AQUEOUS LIQUID ARE MIXED, DISPLACING THE MIXTURE THEREOF INTO THE ANNULAR SPACE BEHIND SAID CASING IN SAID WELL TO CEMENT SAID CASING IN SAID WELL.
Claim 2
Independent Claim
123 words
A METHOD OF CEMENTING CASING IN A WELL COMPRISING THE STEPS OF INJECTING INTO SAID WELL THROUGH A FIRST CONDUIT A NON-AQUEOUS LIQUID SLURRY OF FINELY DIVIDED HYDRAULIC CEMENT, SIMULTANEOUSLY INJECTING INTO SAID WELL THROUGH A SECOND CONDUIT AN AQUEOUS LIQUID CAPABLE OF HYDRATING SAID CEMENT, THE RATIO OF SAID CEMENT TO SAID AQUEOUS LIQUID BEING SUFFICIENT TO PRODUCE A SETTABLE CEMENT COMPOSITION, INTIMATELY MIXING WITHIN SAID WELL AT A POINT ADJACENT TO THE OUTLET OF SAID CASING SAID SLURRY AND SAID AQUEOUS LIQUID TO PRODUCE A SETTABLE, READILYFLOWABLE, UNIFORM MIXTURE THEREOF, AND AS SAID SLURRY AND SAID AQUEOUS LIQUID ARE MIXED, DISPLACING THE MIXTURE THEREOF INTO THE ANNULAR SPACE BEHIND SAID CASING IN SAID WELL TO CEMENT SAID CASING IN SAID WELL.
References Cited (Backward Citations)
US1057789A
Cited
US1807050A
Cited
US2075882A
Cited
US2595184A
Cited
US2801077A
Cited
US2848051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |