Hydra-jet slotting tool

Details Hydra-jet slotting tool Hydra-jet slotting tool

E - Fixed Constructions

21

B

166/10

E21B 29/00 (2006.01) E21B 23/00 (2006.01) E21B 29/06 (2006.01) E21B 43/114 (2006.01)

Patent

CA 1147255

ABSTRACT The present invention relates to an apparatus for controlling the rate and extent of cutting slots in flow conductors, particularly casing in wells. The apparatus is hung in the well from a pipe string, locked in position and force applied to the string. A hydraulic metering mechanism acts against the applied force to control the rate of travel of one or more jet bodies attached to the movable mandrel of the apparatus, the stroke of which determines the extent of the cut. -37-

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