Patent US3194312A successfully refreshed from Google Patents.
US3194312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for completing oil wells and the like
Assignee: Individual
•
Filing: 1962-02-08
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Granted: 1965-07-13
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Expires: 1982-02-08
Abstract
No abstract record available.
Inventors
- 👤 George A Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:41
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/13; E21B33/14; E21B33/12; E21B33/124; E21B33/1243
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A METHOD OF COMPLETING A WELL, THE STEPS OF LOWERING TUBULAR STRING WITH A PLURALITY OF LONGITUDINALLY SPACED PACKING JACKETS ATTACHED THERETO AND SPACED RADIALLY THEREFROM INTO THE WELL, ENGAGING AND SUBSTANTIALLY COVERING SPACED MULTIPLE LEVEL PRODUCING FORMATIONS IN THE WELL EXTERIORLY OF THE STRING AND AROUND THE STRING WITH SAID PACKING JACKET AND WHILE THE STRING IS POSITIONED IN THE WELL, FORCING CEMENT DOWNWARDLY THROUGH THE STRING AND THEN UPWARDLY EXTERIORLY OF THE STRING AND BETWEEN THE STRING AND SAID PACKING JACKETS COVERED FORMATIONS TO CEMENT THE STRING ABOVE AND BELOW AND OPPOSITE
Claim 2
Dependent Claim
95 words
IN A METHOD OF COMPLETING A WELL, THE STEPS OF LOWERING TUBULAR STRING WITH A PLURALITY OF LONGITUDINALLY SPACED PACKING JACKETS ATTACHED THERETO AND SPACED RADIALLY THEREFROM INTO THE WELL, ENGAGING AND SUBSTANTIALLY COVERING SPACED MULTIPLE LEVEL PRODUCING FORMATIONS IN THE WELL EXTERIORLY OF THE STRING AND AROUND THE STRING WITH SAID PACKING JACKET AND WHILE THE STRING IS POSITIONED IN THE WELL, FORCING CEMENT DOWNWARDLY THROUGH THE STRING AND THEN UPWARDLY EXTERIORLY OF THE STRING AND BETWEEN THE STRING AND SAID PACKING JACKETS COVERED FORMATIONS TO CEMENT THE STRING ABOVE AND BELOW AND OPPOSITE
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |