Detailed Product Description Drilling rig 750HP-3000HP;off shore and on shore drilling rig and rig components.All type of Petroleum drilling rig from 2000m-9000m Different configurations ... and styles including digital control VF rig,mechanical rotary table rig ,electromechanical rig,DCrig,mechanical rig,trailer drilling rig.Drilling rig parts and tool:crown block,main ...