Downhole tool apparatus with non-metallic components and methods of drilling thereof
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United States of America Patent
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Dec 21, 1993
Issued Date -
N/A
app pub date -
Jun 21, 1991
filing date -
Apr 26, 1990
priority date (Note) -
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status (Latency Note)
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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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