Model of Direct Rotary Rig
Model No. HV-EXP341
The basic principle of operation of a rotary rig are clearlydemonstrated by this convenient size open constructionmodel. It Is mounted on a truck chasis, components andarrangement for erecting the derrick manually and showingimportant parts like Rig. mud pump, draw work -reels androtary table etc. and dummy levers for operations, The kelley drill rods and swivel etc. are given separately..
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