Ball injecting apparatus for wellbore operations

Details Ball injecting apparatus for wellbore operations Ball injecting apparatus for wellbore operations

E - Fixed Constructions

21

B

E21B 33/068 (2006.01) E21B 33/134 (2006.01)

Patent

CA 2625766

Apparatus is provided injecting drop balls into a wellbore, such as for actuating downhole tools. A ball magazine adapted for storing drop balls, in two or more transverse ball chambers, is axially movable in a magazine housing mounted at a transverse port to a fluid passage in fluid communication with the wellbore. The magazine is serially actuable for aligning a first and subsequent chambers with the transverse port for injecting stored balls to the wellbore. An indicator, such as a rod extending from the magazine housing, can be used to indicate the relative location of the chamber and transverse port. The apparatus can be used in a system and methodology for actuating two or more downhole tools spaced at intervals along the wellbore.

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