Cementing plug
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 17, 1994
Issued Date -
N/A
app pub date -
Mar 29, 1993
filing date -
Oct 16, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Cementing plugs for use in the cementing of casing in oil and gas wells. The cementing plugs are well-suited for use with a polycrystalline diamond compact drill bit.
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