US3219113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for effecting the permanent completion of a well
Assignee: Shell USA Inc
•
Filing: 1962-11-09
•
Granted: 1965-11-23
•
Expires: 1982-11-09
Abstract
No abstract record available.
Inventors
- 👤 Ward Louie Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:20
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/25; E21B43/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A METHOD OF INCREASING THE PRODUCTIVITY AND OF COMPLETING A CASED WELL COMPRISING: (A) SETTING A PRODUCTION PACKER IN SAID WELL ABOVE A ZONE TO BE FRACTURED; (B) INSERTING INTO THE WELL, A TUBING STRING HAVING AT THE LOWER END A TELESCOPING SECTION IN A NORMALLY RETRACTED POSITION; (C) POSITIONING THE LOWER END OF THE STRING A DISTANCE ABOVE THE PACKER LESS THAN THE LENGTH OF THE TELESCOPING SECTION; (D) SECURING THE STRING AT THE TOP OF THE WELL AND CLOSING THE TOP OF THE WELL BY INSTALLING THE CHRISTMAS TREE; (E) HYDRAULICALLY FRACTURING SAID ZONE BY PUMPING FLUID UNDER PRESSURE THROUGH THE CASING-TUBING ANNULUS INTO SAID Z3NE; AND (F) COMPLETING THE WELL BY EXTENDING THE TELESCOPING SECTION FROM ITS RETRACTED POSITION TO SEALINGLY ENGAGE THE PACKER, WHEREBY SAID WELL IS READY TO BE PRODUCED WITHOUT REQUIRING THAT THE WELL BE REOPENED.
Claim 2
Independent Claim
142 words
A METHOD OF INCREASING THE PRODUCTIVITY AND OF COMPLETING A CASED WELL COMPRISING: (A) SETTING A PRODUCTION PACKER IN SAID WELL ABOVE A ZONE TO BE FRACTURED; (B) INSERTING INTO THE WELL, A TUBING STRING HAVING AT THE LOWER END A TELESCOPING SECTION IN A NORMALLY RETRACTED POSITION; (C) POSITIONING THE LOWER END OF THE STRING A DISTANCE ABOVE THE PACKER LESS THAN THE LENGTH OF THE TELESCOPING SECTION; (D) SECURING THE STRING AT THE TOP OF THE WELL AND CLOSING THE TOP OF THE WELL BY INSTALLING THE CHRISTMAS TREE; (E) HYDRAULICALLY FRACTURING SAID ZONE BY PUMPING FLUID UNDER PRESSURE THROUGH THE CASING-TUBING ANNULUS INTO SAID Z3NE; AND (F) COMPLETING THE WELL BY EXTENDING THE TELESCOPING SECTION FROM ITS RETRACTED POSITION TO SEALINGLY ENGAGE THE PACKER, WHEREBY SAID WELL IS READY TO BE PRODUCED WITHOUT REQUIRING THAT THE WELL BE REOPENED.
References Cited (Backward Citations)
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Cited
US2703619A
Cited
US2796130A
Cited
US2906342A
Cited
US2916092A
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US2986216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |