Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate
2005-06-14
2005-06-14
Neuder, William (Department: 3672)
Wells
Processes
Cementing, plugging or consolidating
C166S075150, C166S177500
Reexamination Certificate
active
06904970
ABSTRACT:
A cementing manifold is disclosed that preferably includes: modular housings that can be stacked together and interconnected to add multi-dart or multi-sphere capability; identical, interchangeable valves; internal bypass capability; a minimum number of protrusions into the pressure containing components; and no externally mounted welded or threaded components.A cementing swivel is also disclosed that preferably includes connections that are formed integrally to the housing, redundant cement connections, angled cement ports, and seal assemblies that do not require individual placement of each seal.
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Conley & Rose, P.C.
Neuder William
Smith International Inc.
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