Wells – With eduction pump or plunger
Reexamination Certificate
2005-11-22
2005-11-22
Tsay, Frank S. (Department: 3672)
Wells
With eduction pump or plunger
C166S105500
Reexamination Certificate
active
06966367
ABSTRACT:
The present invention generally relates to an apparatus and method for removing hydrocarbons and other material from a wellbore. In one aspect, a method of drilling a sub-sea wellbore is provided. The method includes circulating a drilling fluid through a drill string from a surface of the sea to a drill bit in the wellbore. The method further includes pumping the fluid and drill cuttings from the sea floor to the surface with a multiphase pump having at least two plungers operating in a predetermined phase relationship. In another aspect, a fluid separator system having a first and a second plunger assembly is provided. The fluid separator system includes at least one fluid line for removing a fluid portion from the at least one plunger assembly and at least one gas line for removing gas from the first and a second plunger assembly.
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U.K. Search Report, Application No. GB0413486.2, dated Sep. 1, 2004.
Butler Bryan V.
Chitty Gregory H.
Moyes Peter B.
Nott Darcy
Saponja Jeffrey C.
Moser Patterson & Sheridan LLP
Tsay Frank S.
Weatherford / Lamb, Inc.
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