For further information email info@mitchellservices.com.au or call +61 (0) 7 3722 7222 www.mitchellservices.com.au Client: Glencore (Oaky Creek Coal Mine) Service: Underground directional drilling Location: Tieri, Queensland, Australia Project Challenges: • Thin coal seam drilling • Horizontal goaf drilling • Hole size reamed to 6” in stone horizon • 1,200m+ hole depth Approach and Equipment Used: • 1 x Boart Longyear LM90 • Directional drilling and guidance equipment Client Outcomes: • Maximise gas drainage • Safe drilling practices • Drilling strategy refinement for cost effectiveness CASE STUDY – HGH AND RIDER SEAM DRILLING GLENCORE – OAKY CREEK COAL MINE

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