Wells – Processes – Placing or shifting well part
Reexamination Certificate
2005-06-21
2005-06-21
Thompson, Kenneth (Department: 3672)
Wells
Processes
Placing or shifting well part
C166S185000, C166S191000, C166S194000, C166S306000, C166S318000
Reexamination Certificate
active
06907936
ABSTRACT:
A tubing string assembly is disclosed for fluid treatment of a wellbore. The tubing string can be used for staged wellbore fluid treatment where a selected segment of the wellbore is treated, while other segments are sealed off. The tubing string can also be used where a ported tubing string is required to be run in in a pressure tight condition and later is needed to be in an open-port condition.
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Fehr Jim
Themig Daniel Jon
Bennett Jones LLP
Packers Plus Energy Services Inc.
Thompson Kenneth
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