Cementing plug
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 12, 1988
Grant Date -
N/A
app pub date -
Sep 4, 1986
filing date -
Sep 4, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A wiper for a wellbore plug which is rigid for breaking off breakaway members and wellbore plug having a first wiper flexible enough to bypass breakaway members and a second wiper rigid enough for breaking off the bypassed members.
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