E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/12 (2006.01) E21B 23/00 (2006.01) E21B 29/00 (2006.01)
Patent
CA 2406259
A downhole tool apparatus and methods of drilling the apparatus. The apparatus may include, but is not limited to, packers and bridge plugs utilizing non-metallic components. The material may include engineering grade plastics. The nonmetallic components may include but lire not limited to the center mandrel, slips, slip wedges, slip supports and housings, spacer rings, valve housings and valve components. Methods of driliing out the apparatus without significant variations in the drilling speed and weight applied to the drill bit may be employed. Alternative drill bit types, such as polycrystalline diamond compact (PDC) bits may also be used.
Berscheidt Kevin T.
Hushbeck Donald F.
Jacobi Rick D.
Streich Steven G.
Company Halliburton
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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