US2833352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for completing wells
Assignee: Pan American Petroleum Corp
•
Filing: 1954-04-23
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Granted: 1958-05-06
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Expires: 1974-04-23
Abstract
No abstract record available.
Inventors
- 👤 Jr John M Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:30
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A METHOD OF COMPLETING A WELL WHICH PENETRATES A HIGH PRESSURE FORMATION AND CONTAINS DIRTY FLUIDS, SAID WELL CONTAINING A CASING THROUGH SAID FORMATION, COMPRISING LOWERING AND OPEN-ENDED SCREEN LINER ASSEMBLY INTO SAID WELL ON A CONDUIT, AND SCREEN LINER ASSEMBLY INCLUDING A TUBULAR SCREEN, TEMPORARILY SUSPENDING SAID SCREEN LINER ASSEMBLY IN SAID WELL ABOVE SAID FORMATION, DISPLACING SAID DIRTY FLUIDS OUT OF SAID CASING OPPOSITE SAID FORMATION WITH A CLEAN FLUID, LOWERING A CASING PERFORATOR THROUGH SAID CONDUIT AND SAID SCREEN LINER ASSEMBLY, PERFORATING A SECTION OF SAID CASING AT THE ELEVATION OF SAID FORMATION, AND THEN PLACING SAID SCREEN LINER ASSEMBLY IN
Claim 2
Independent Claim
104 words
A METHOD OF COMPLETING A WELL WHICH PENETRATES A HIGH PRESSURE FORMATION AND CONTAINS DIRTY FLUIDS, SAID WELL CONTAINING A CASING THROUGH SAID FORMATION, COMPRISING LOWERING AND OPEN-ENDED SCREEN LINER ASSEMBLY INTO SAID WELL ON A CONDUIT, AND SCREEN LINER ASSEMBLY INCLUDING A TUBULAR SCREEN, TEMPORARILY SUSPENDING SAID SCREEN LINER ASSEMBLY IN SAID WELL ABOVE SAID FORMATION, DISPLACING SAID DIRTY FLUIDS OUT OF SAID CASING OPPOSITE SAID FORMATION WITH A CLEAN FLUID, LOWERING A CASING PERFORATOR THROUGH SAID CONDUIT AND SAID SCREEN LINER ASSEMBLY, PERFORATING A SECTION OF SAID CASING AT THE ELEVATION OF SAID FORMATION, AND THEN PLACING SAID SCREEN LINER ASSEMBLY IN
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |