Drilling mud container apparatus

Details Drilling mud container apparatus Drilling mud container apparatus

1992-11-23

1994-03-22

Britts, Ramon S.

Wells

Above ground apparatus

Fluid catcher around pipe coupling

166 93, 1662417, 175 84, 175208, E21B 3308

Patent

active

052955362

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.

REFERENCES:
patent: 234825 (1880-11-01), Walker
patent: 1417811 (1922-09-01), Heeter
patent: 1632889 (1927-06-01), Davis
patent: 1868794 (1932-07-01), Fuller et al.
patent: 2096882 (1937-10-01), Chernosky
patent: 2522444 (1950-09-01), Grable
patent: 4450905 (1984-05-01), Crain

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