Well casing fill apparatus and methods

Details Well casing fill apparatus and methods Well casing fill apparatus and methods

E - Fixed Constructions

21

B

E21B 33/05 (2006.01) E21B 21/10 (2006.01) E21B 33/16 (2006.01) E21B 34/14 (2006.01)

Patent

CA 2190448

Improved well casing fill apparatus and methods for filling a casing string with well bore fluid while running the string into a well bore and then cementing the casing in the well bore are provided. A well casing fill apparatus of this invention is basically comprised of a tubular housing having a well bore fluid fill port extending through a wall thereof and a closing sleeve slidably disposed in the tubular housing between an upper open position whereby the fill port is uncovered to a lower closed position whereby the closing sleeve covers the fill port. The closing sleeve includes a cementing plug landing seat thereon for receiving a cementing plug and slidably moving the closing sleeve to the closed position.

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