Dart launching system for sub-sea cementing head or sub-sea...

Details Dart launching system for sub-sea cementing head or sub-sea... Dart launching system for sub-sea cementing head or sub-sea...

E - Fixed Constructions

21

B

E21B 33/05 (2006.01) E21B 33/043 (2006.01) E21B 33/076 (2006.01)

Patent

CA 2061320

DART LAUNCHING SYSTEM FOR SUB-SEA CEMENTING HEAD OR SUB-SEA TOOL FOR OIL WELLS ABSTRACT The invention relates to a launching system for one or several darts (12). The system includes rotating cocks (7, 8) and an annulus (16, 18). Reliable launching. Capacity of more than two launchers. Compact, balanced and light system. Fig. l

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