Coil tubing injector apparatus and method
AssigneeCoil Solutions, Inc.
InventorCecil C. Hassard
Life of this patent
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Abstract
A coiled tubing injector apparatus for inserting and/or removing coiled tubing from a well head comprising a first injector column and a second injector column forming a central pathway within a frame. The first and second injector columns each comprise an inner and outer band, the outer band containing a plurality of rolling elements for engaging the coiled tubing and the inner band creating drive force to energize the outer band. The inner band further comprises a wear plate designed to sustain the majority of wear for less costly maintenance and repair of injection heads.
Claims13
A method of using a coiled tubing injector apparatus for inserting and removing coiled tubing from a wellhead, comprising:
- utilizing a first and second band of opposed gripping members to grip said coiled tubing in a central pathway;
- utilizing a first and second inner chain to drive said first and second bands;
- utilizing each of a first and second skate plate to define a channel and a plurality of recesses along both sides of said channel;
- utilizing a wear plate sized to fit within said channel of each said skate plate, said wear plate further comprising a plurality of openings, wherein said plurality of recesses and said plurality of openings align when said wear plate is inserted into said channel of each said skate plate;
- and
- utilizing a plurality of clamps to fasten each said wear plate to said skate plate, wherein a first end of said plurality of clamps fits within said plurality of recesses and a second end of said plurality of clamps defines a tongue for insertion in said plurality of openings.
Dependencies are inferred from the claim text.