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Deep Hole Driectional Drilling Rig ZDY12000LD

ZDY12000LD drill rig is specifically designed to drill especially long directional drilling borehole in explosive underground environments. It is MA certified and currently operating in Chinese regularly drilling sub-horizontal direction holes in excess of 2000 meters.

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Product Details


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 Application scope

ZDY12000LD drill rig is specifically designed to drill especially long directional drilling borehole in explosive underground environments. It is MA certified and currently operating in Chinese regularly drilling sub-horizontal direction holes in excess of 2000 meters.

■ Structural characteristics 

When combined with our real-time survey tools (MWD), modular electrical connected cable assembly (MECCA) drill rod, mud pump crawler, directional drill bits and downhole motor, the system has the ability to track, guide and precise control borehole trajectory to accomplish the most challenging drilling requirements.2311.jpg

ZDY12000LD drill rig has a compact footprint mounted on tracks. Integrated drill unit combined with a feed frame that tilt can be adjusted from -10 degree to +20 degree. With features of high rotary torque (the rated torque is 12000N.m) and powerful push/pull force (max push/pull force is 250kN), the drill is capable for precise directional drilling operations in excess of 2000 meters. A maximum depth of 2311 meters borehole with 15 sidetracks was accomplished in Nov, 2017 Baode Coal Mine, Shenhua Group, one of the largest underground coal mines in the world. We believe this is the new depth record of underground sub-horizontal in-seam directional drilling.

Application of the rig includes directional drilling operations for gas drainage, water detection or discharge, grout injection, exploration of geological structure, detection of seam thickness, water injection into coal seam, etc. Technical parameters are listed in following table.

■ Technical specification

Type

ZDY12000LD

Rated torque (Nm)

12000~3000

Rotary speed (r/min)

50~150

Braking torque (Nm)

2000

Max push/pull force (kN)

250

Feed-frame tilt angle (°)

-10~20 degrees

Dimension (L×W×H)/m

4.2×1.6×1.9


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