Wells – Processes – Placing fluid into the formation
Reexamination Certificate
2006-08-29
2006-08-29
Thompson, Kenneth (Department: 3672)
Wells
Processes
Placing fluid into the formation
C166S177500
Reexamination Certificate
active
07096954
ABSTRACT:
A method and apparatus is provided for created multiple fractures in a subterranean formation with a single, continuous treatment operation. A plurality of burst disk assemblies are included, each having an independent burst pressure and corresponding to a specific interval to be treated, whereby the assemblies are arranged on a work or completion string such that the assembly with the lowest burst pressure is positioned at the toe, or lowest position, and subsequent assemblies have increasing burst pressures toward the heel of the string. As fluid is pumped down the string, pressure builds up to exceed the burst pressure of the first disk, allowing treatment fluid to contact the formation. Once a first interval treated or fractured, it may be isolated thereby allowing pressure to again build up in the string and burst subseqent disks.
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Boney Curtis L.
Brown J. Ernest
Weng Xiaowei
Cate David
Curington Tim
Nava Robin
Schlumberger Technology Corporation
Thompson Kenneth
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