Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate
2005-06-02
2008-03-18
Bates, Zakiya W. (Department: 3676)
Wells
Processes
Cementing, plugging or consolidating
C166S250140, C166S300000, C175S072000
Reexamination Certificate
active
07343974
ABSTRACT:
A method for strengthening a wellbore with an exposed geological formation, the method including: determining or estimating material properties of the exposed geological formation; determining changes necessary in material properties of the exposed geologic formation to achieve desired improvements in property of the exposed geologic formation; and treating the geological formation to improve material property values by injecting a formulation that hardens in-situ to form a geosynthetic composite. In another aspect, an apparatus for utilizing the described method with minimal handling of chemicals includes is an automated in-line chemical metering and pumping apparatus that requires no large mixing tank.
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Bates Zakiya W.
Shell Oil Company
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