Vent line system

Details Vent line system Vent line system

E - Fixed Constructions

21

B

137/129

E21B 33/035 (2006.01) E21B 21/00 (2006.01) E21B 21/08 (2006.01) E21B 21/10 (2006.01) F16K 11/065 (2006.01) F16K 11/085 (2006.01)

Patent

CA 1221603

VENT LINE SYSTEM ABSTRACT A vent line system is disclosed which is adapted for connection to a flow diverter attached to a drilling rig. The system assures that the vent line is always open for discharge of pressurized drilling fluid away from the drilling rig in one of two directions.

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