Wells – Processes – Placing fluid into the formation
Reexamination Certificate
2007-02-22
2010-06-15
Bates, Zakiya W (Department: 3676)
Wells
Processes
Placing fluid into the formation
C166S305100, C166S308500, C166S310000
Reexamination Certificate
active
07735558
ABSTRACT:
Many methods are provided herein including, in one embodiment, a method comprising: providing a fluid that comprises an acid, crosslinked oxidized xanthan, and optionally, a base fluid; placing the fluid in a well bore penetrating a subterranean formation; and allowing the fluid to acidize at least a portion of the formation or damage contained therein. In another embodiment, herein provided is a fluid for subterranean uses comprising an acid and crosslinked, oxidized xanthan.
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Bates Zakiya W
DiTrani Angela M
Halliburton Energy Service,s Inc.
Kent Robert A.
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