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What is Directional Drilling?

Is a trenchless process whereby a series of rods are ‘piloted’ into the ground and guided along abore path with electronic tracking equipment providing real time roll, pitch, depth and azimuth information. The rods can be directed left, right, up and down to ensure line and grade accuracy. At the conclusion of the pilot bore, the bore path is enlarged by a reaming process. The carrier pipe is then pulled back once the reams have prepared the soil to except the carrier pipe

What kind of rig is necessary for horizontal drilling?

When new wells are planned to be drilled horizontal, the drilling rig is usually employed to drill both the vertical and horizontal portions of the wells. However, depending on the equipment requirements for the curve and lateral sections, a smaller (less costly) workover rig may be moved in after the drilling rig has completed the vertical section.

How do you determine and control the actual direction of the drilling process?

How to control well path direction is the realm of the drilling operations. Many improvements in the directional surveying and tool steering services have occurred in the past 15 years. Generally, the tighter the need for wellbore placement control, the more expensive the process.