Overview

Field operations begin by flying equipment to a project site, and setting up drill locations. As each drill completes a hole, the helicopter moves it to its next location as part of a highly choreographed procedure often using 4 to 6 drills, and a strategically positioned drill crew. Only experience and exact planning can dictate drill moves to minimize helicopter time and efficiently utilize personnel and equipment. Shot hole depths vary from job to job, but generally are between 20-60 feet. A full crew using a complete compliment of drills can average from 25-30+ holes a day at 60 foot, to 50-60+ holes a day at 20 foot.