US2890752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New squeeze cement proces and slurry
Assignee: BJ Service Inc
•
Filing: 1956-09-05
•
Granted: 1959-06-16
•
Expires: 1976-09-05
Abstract
No abstract record available.
Inventors
- 👤 Billie L Crone
- 👤 Garland L White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:25
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/50; C09K8/502; C04; C04B; C04B24/00; C04B24/24; C04B24/28; C04B28/00; C04B28/02; C04B28/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN IMPROVED METHOD FOR LOW PRESSURE SQUEEZE CEMENTING OF OIL AN GAS WELLS WHICH COMPRISES PUMPING INTO THE WELL IN WHICH BOTH WATER PRODUCING AND OIL OR GAS PRODUCING ZONES ARE EXPOSED, A CEMENT SLURRY COMPRISILNG A LIQUID HYDROCAREBON CONTAINING SUFFICIENT ALKALI METAL SOAP TO FORM A GEL, CEMENT, CALCIUM CHLORIDE, AND A CONDENSATION PRODUCT OF A SUBSTITUENT PHENOL AND ETHYLENE OXIDE, WHEREBY SAID SLURRY CONTACTS AND SETS IN SAID WATER PRODUCING ZONE, AND REMOVING BY SWABBING ON ALLOWING THE WELL TO PRODUCE THE SLURRY PORTIO WHICH HAS NOT SET.
Claim 2
Dependent Claim
90 words
AN IMPROVED METHOD FOR LOW PRESSURE SQUEEZE CEMENTING OF OIL AN GAS WELLS WHICH COMPRISES PUMPING INTO THE WELL IN WHICH BOTH WATER PRODUCING AND OIL OR GAS PRODUCING ZONES ARE EXPOSED, A CEMENT SLURRY COMPRISILNG A LIQUID HYDROCAREBON CONTAINING SUFFICIENT ALKALI METAL SOAP TO FORM A GEL, CEMENT, CALCIUM CHLORIDE, AND A CONDENSATION PRODUCT OF A SUBSTITUENT PHENOL AND ETHYLENE OXIDE, WHEREBY SAID SLURRY CONTACTS AND SETS IN SAID WATER PRODUCING ZONE, AND REMOVING BY SWABBING ON ALLOWING THE WELL TO PRODUCE THE SLURRY PORTIO WHICH HAS NOT SET.
References Cited (Backward Citations)
US1491427A
Cited
US1772999A
Cited
US1773001A
Cited
US2065512A
Cited
US2654674A
Cited
US2782857A
Cited
US2769498A
Cited
US2776713A
Cited
US2806530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |