Wells – Processes – Placing or shifting well part
Patent
1991-06-21
1993-12-21
Novosad, Stephen J.
Wells
Processes
Placing or shifting well part
166118, 166134, 166217, 166376, 175 57, E21B 33129
Patent
active
052714683
ABSTRACT:
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 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.
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Halliburton Sales & Service Catalog No. 43, published in 1985, pp. 2561-2562; 2556-2557; 2427-2434.
Halliburton Services Sales Technical Paper S-8107 entitled "Successful Drill Out Of Shoe Joints With PDC Bits", published in Mar., 1989.
Chapter 4, Fundamentals of Drilling, by John L. Kennedy, PennWell Books, Copyright 1983.
"Molding Compounds Materials Selection Handbook", published by Fiberite Corporation, Copyright, 1986.
Berscheidt Kevin T.
Hushbeck Donald F.
Jacobi Rick D.
Streich Steven G.
Halliburton Company
Novosad Stephen J.
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