Internal fluid screen to prevent nozzle and port plugging
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United States of America Patent
Stats
-
Jun 29, 1982
Grant Date -
N/A
app pub date -
Sep 12, 1980
filing date -
Sep 12, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A strainer is shown for use with a downhole tool through which drilling fluid is circulated during the drilling of deep oil wells and the like. The strainer provides a plurality of narrow slots which prevent the passage of material therethrough that might be entrained with the fluid and which otherwise would plug ports or nozzles or restrict flow passages below the strainer.
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Cited Art Landscape
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