Drill pipe joint
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United States of America Patent
Stats
-
Apr 22, 1986
Grant Date -
N/A
app pub date -
Jul 24, 1985
filing date -
Aug 8, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drill pipe joint for insertion in a drill pipe comprises a body having an axial bore therethrough and comprising generally cylindrical upper and lower portions and a widened cylindrical intermediate portion at the upper end of which at least three cutouts are formed for insertion therein of removable attached members each provided with an upwardly directed internal passage connecting the bore to an interchangeable nozzle mounted in the upper end of the passage and situated on a diameter intermediate the outside diameter of the intermediate portion and that of the upper portion of the body. The joint is particularly suitable for passing through a zone in which circulation is lost and is arranged in the drill pipe string above the level of the zone of lost circulation.
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Family
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Cited Art Landscape
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