Drilling mud container apparatus
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United States of America Patent
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Mar 22, 1994
Grant Date -
N/A
app pub date -
Nov 23, 1992
filing date -
Nov 23, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In accordance with an illustrative embodiment of the present invention, a container for preventing spilling of drilling mud onto the rig floor to thereby save the mud for later reuse includes a diametrically split and hinged barrel having a fixed lower seal assembly and a movable upper seal assembly which engage the outer wall of the drill pipe respectively below and above a joint connection that is to be unthreaded. Upon disconnection and upward movement, the upper seal moves upward with the pipe to totally eliminate wear which otherwise would result in seal and mud leakage.
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