Top filling tubing

Details Top filling tubing Top filling tubing

2011-07-12

2011-07-12

Neuder, William P (Department: 3672)

Wells

Processes

Cleaning or unloading well

C166S374000, C166S090100

Reexamination Certificate

active

07975766

ABSTRACT:
A method of top-filling a drill pipe string comprises injecting fluid into the upper end of the string. Apparatus for use in top-filling a drill pipe string comprises an injector adapted to co-operate with the upper end of a drill pipe string, whereby fluid may be pumped through the injector and into the string.

REFERENCES:
patent: 6173777 (2001-01-01), Mullins
patent: 2003/0217843 (2003-11-01), Mullins
patent: 2005/0000695 (2005-01-01), LaFleur

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