Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate
2008-05-09
2009-11-17
Bates, Zakiya W. (Department: 3676)
Wells
Processes
Perforating, weakening, bending or separating pipe at an...
C166S055200, C166S280200, C166S308400
Reexamination Certificate
active
07617872
ABSTRACT:
In one embodiment, a system includes a cased wellbore disposed in a formation of interest. The system includes an emulsion positioned in the wellbore at a depth of the formation of interest. The emulsion includes an oil external phase and an aqueous internal phase. The oil external phase includes particles having calcium hydroxide. The aqueous internal phase includes insoluble silica particles. The system further includes a perforating tool that generates perforation tunnels through the cased wellbore into the formation of interest. The system further includes a well flow control device that shuts in the wellbore for a specified period of time. The emulsion breaks during contact with the formation in the perforation tunnels, and the calcium hydroxide and silica particles form a cementitious material that consolidates the perforation tunnels.
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England Kevin W.
Kubala Gregory
Sullivan Philip F.
Bates Zakiya W.
Cate David
Greene Rachel E.
Nava Robin
Schlumberger Technology Corporation
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