Mobile self-erecting directional drilling rig apparatus

Details Mobile self-erecting directional drilling rig apparatus Mobile self-erecting directional drilling rig apparatus

E - Fixed Constructions

21

B

E21B 15/04 (2006.01) E21B 7/02 (2006.01)

Patent

CA 2635503

An apparatus and method for horizontal drilling are provided. The apparatus has: (A) a thrust frame; (B) a carriage on the thrust frame; (C) a wheel truck, wherein a rearward portion of the thrust frame can be supported in a lowered position on the wheel truck; (D) a king pin for operatively connecting a forward portion of the thrust frame to a tractor; (E) a trailer-leg assembly that can be connected operatively between: (i) the forward portion of the thrust frame; and (ii) the ground; and wherein the trailer-leg assembly is capable of assisting in supporting the forward portion of the thrust frame: (a) in a raised position so a tractor can be connected for towing; and (b) in a lowered position where the forward portion of the thrust frame is in a lowered position adjacent the ground to assist in positioning the thrust frame in a position for drilling.

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