Methods and apparatus for completing a well

Details Methods and apparatus for completing a well Methods and apparatus for completing a well

2008-09-09

2008-09-09

Gay, Jennifer H (Department: 3676)

Wells

Processes

Separate steps of fracturing or attacking formation

C166S308100, C166S298000, C166S285000

Reexamination Certificate

active

11161003

ABSTRACT:
Methods and tools are described to reduce sanding including the steps of fracturing the cement sheath in a localized zone around the casing and having the fractured zone act as sand filter between the formation and openings in the casing, with the openings being best pre-formed but temporarily blocked so as to allow a conventional primary cementing of the casing. The fracturing step can also be used for remedial operation to reopen blocked formation or screens.

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International Search Report and Written Opinion for International Application No. PCT/IB2006/002683, International Filing Date: Jul. 19, 2006; Applicant's Reference: 57.0680 WO PCT.

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