US3244229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of fluids from unconsolidated formations
Assignee: Pan American Petroleum Corp
•
Filing: 1963-04-12
•
Granted: 1966-04-05
•
Expires: 1983-04-12
Abstract
No abstract record available.
Inventors
- 👤 Karol L Hujsak
- 👤 William G Bearden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:07
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A METHOD OF FORMING A FIXED FILTER PACK ADJACENT AN INCOMPETENT OIL-PRODUCING ZONE PENETRATED BY A WELL, COMPRISING PLACING A GROUND HYDRAULIC CEMENT CLINKER SELECTED FROM A GROUP CONSISTING OF CALCIUM SILICATE, CALCIUM ALUMINATE, ANDHIGH ALUMINA CEMENTS IN CONTACT WITH THE PORTION OF SAID ZONE EXPOSED TO SAID WELL, SAID CLINKER HAVING A PARTICLE SIZE RANGING FROM ABOUT -10 TO ABOUT +40 MESH, ALLOWING THE PARTICLES OF SAID CLINKER TO BOND TOGETHER BY MEANS OF HYDRATION AT THE POINTS OF CONTACT TO FORM A RIGID OIL-PERMEABLE PACK, AND PRODUCING OIL FROM SAID ZONE THROUGH SAID PACK INTO SAID WELL SUBSTANTIALLY FREE FROM ABRASIVE SOLIDS.
Claim 2
Independent Claim
104 words
A METHOD OF FORMING A FIXED FILTER PACK ADJACENT AN INCOMPETENT OIL-PRODUCING ZONE PENETRATED BY A WELL, COMPRISING PLACING A GROUND HYDRAULIC CEMENT CLINKER SELECTED FROM A GROUP CONSISTING OF CALCIUM SILICATE, CALCIUM ALUMINATE, ANDHIGH ALUMINA CEMENTS IN CONTACT WITH THE PORTION OF SAID ZONE EXPOSED TO SAID WELL, SAID CLINKER HAVING A PARTICLE SIZE RANGING FROM ABOUT -10 TO ABOUT +40 MESH, ALLOWING THE PARTICLES OF SAID CLINKER TO BOND TOGETHER BY MEANS OF HYDRATION AT THE POINTS OF CONTACT TO FORM A RIGID OIL-PERMEABLE PACK, AND PRODUCING OIL FROM SAID ZONE THROUGH SAID PACK INTO SAID WELL SUBSTANTIALLY FREE FROM ABRASIVE SOLIDS.
References Cited (Backward Citations)
US1645719A
Cited
US1896212A
Cited
US2217215A
Cited
US2365033A
Cited
US2652117A
Cited
US2786531A
Cited
US2933135A
Cited
US2941594A
Cited
US2896714A
Cited
US2985238A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |