E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 34/12 (2006.01) E21B 33/12 (2006.01) E21B 33/129 (2006.01)
Patent
CA 2071721
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 non- metallic components may include but are not limited to the center mandrel, slips, slip wedges, slip supports and housings, spacer rings, valve housings and valve components. Methods of drilling 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.
Berscheidt Kevin T.
Company Halliburton
Hushbeck Donald F.
Jacobi Rick D.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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