Casing cementing equipment
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United States of America Patent
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-
Jan 10, 1995
Grant Date -
N/A
app pub date -
Apr 26, 1993
filing date -
Apr 26, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Insert type floating equipment valves for use in the cementing of casing in oil and gas wells and the like which may be retained in the casing therein through the use of slips or set screws or anchors and uses either cup type or compression type sealing members.
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