E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/14 (2006.01) E21B 33/05 (2006.01) E21B 33/13 (2006.01) E21B 33/138 (2006.01) E21B 33/16 (2006.01)
Patent
CA 2396457
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.
Deeth Williams Wall Llp
Smith International Inc.
LandOfFree
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