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Method and apparatus for effecting the permanent completion of a well

Assignee: Shell USA Inc
•
Filing: 1962-11-09
•
Granted: 1965-11-23
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Expires: 1982-11-09
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Abstract

No abstract record available.

Inventors

  • 👤 Ward Louie Howard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 08:17
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)

US2693854A Cited
US2703619A Cited
US2796130A Cited
US2906342A Cited
US2916092A Cited
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

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