Drop ball catcher apparatus

Details Drop ball catcher apparatus Drop ball catcher apparatus

2005-07-26

2005-07-26

Bagnell, David (Department: 3672)

Wells

Valves, closures or changeable restrictors

Operated by dropped element

C166S332400, C166S332800

Reexamination Certificate

active

06920930

ABSTRACT:
A drop ball catcher apparatus for use with downhole tools in oil well drilling and installation operations. A drop ball catcher apparatus is used to receive and stow a drop ball ejected from a ball-actuated downhole tool.

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