E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/06 (2006.01) E21B 19/10 (2006.01) E21B 19/22 (2006.01)
Patent
CA 2507116
A variable ram for coiled tubing comprises a pair of opposing rams (34), each ram having a ram body with a vertical channel (46) formed therein; a pair of opposing pins (42, 44) within each ram head (34), the pins extending into the channel (46); and a toothed gripper (48, 50, 52, 54) having a hole therein (49) sized to mount over its respective pin (42, 44).
L'invention concerne une mâchoire réglable pour tubes en spirale comprenant une paire de mâchoires opposées (34), chaque mâchoire étant pourvue d'un corps dans lequel est formé un canal vertical (46); une paire de tiges opposées (42, 44) dans chaque tête (34) de mâchoire, lesdites tiges s'étendant dans le canal (46); et un élément (48, 50, 52, 54) de préhension denté comprenant un orifice (49) destiné à être monté sur la tige correspondante (42, 44).
Jones Don
Mcwhorter David
Ledgley Law
Varco I/p Inc.
LandOfFree
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