Method and apparatus for dropping a pump down plug or ball

Details Method and apparatus for dropping a pump down plug or ball Method and apparatus for dropping a pump down plug or ball

2007-05-16

2009-10-27

Dang, Hoang (Department: 3672)

Wells

Processes

Cementing, plugging or consolidating

C166S070000, C166S075150, C166S177400, C166S383000

Reexamination Certificate

active

07607481

ABSTRACT:
An improved method and apparatus for dropping a ball, plug or dart during oil and gas well operations (e.g., cementing operations) employs a specially configured valving member with curved and flat portions that alternatively direct fluid flow through a bore or opening in the valving member or around the periphery of the valving member.

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