Wells – Processes – Cleaning or unloading well
Reexamination Certificate
2006-12-14
2009-06-16
Bagnell, David J (Department: 3672)
Wells
Processes
Cleaning or unloading well
C166S242100, C166S169000
Reexamination Certificate
active
07546878
ABSTRACT:
An apparatus for deployment of a reagent downhole includes a housing configured to move in a borehole; a chamber for storing the reagent, wherein the chamber is disposed in the housing and has one or more outlets for dispensing the reagent; a piston configured to move in the chamber; and a trigger mechanism. A method for deploying a reagent downhole includes disposing a tool downhole, wherein the tool comprises a canister storing the reagent, wherein the canister includes a housing configured to move in a borehole, a chamber for storing the reagent, wherein the chamber is disposed in the housing and has one or more outlets for dispensing the reagent, a piston configured to move in the chamber, and a trigger mechanism; and activating the trigger mechanism to move the piston to deploy the reagent.
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Co-pending U.S. Appl. No. 11/610,600, filed Dec. 14, 2006 entitled, “Fluid Loss Control Agent with Triggerable Removal Machanism” by Hoeffer et al.
Krush Robert
Prado Martin
Sharma Ashish
Bagnell David J
Edmonds PC
Kurka James L.
Sayre James
Schlumberger Technology Corporation
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