Wells – Wiper
Reexamination Certificate
2006-04-18
2006-04-18
Bagnell, David (Department: 3672)
Wells
Wiper
C166S311000, C166S202000
Reexamination Certificate
active
07028769
ABSTRACT:
Several well bore clean-out apparatus' are disclosed that provides a method of cleaning a well bore while the apparatus' are being deployed into a well forcing well bore fluid into a work string and for moving solids to the surface. A method of cleaning multiple diameters of well casings is also disclosed. A method of circulating or reverse circulating the well at anytime during the deployment of the apparatus' is disclosed.
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Bagnell David
Rosenblatt Steve
Smith Matthew J.
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