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''Directional drilling'' refers to any method employed to hit a predetermined subsurface target. One application of directional drilling is the development of offshore fields. Field development costs are reduced by directionally drilling many wells from one (or more) platforms. Other applications for directional drilling include the following:
''Directional drilling'' refers to any method employed to hit a predetermined subsurface target. One application of directional drilling is the development of [[offshore rig|offshore fields]]. Field development costs are reduced by directionally drilling many wells from one (or more) platforms. Other applications for directional drilling include the following:
* Building a surface location away from the bottom hole location to avoid cultural or topographic restrictions
* Building a surface location away from the bottom hole location to avoid cultural or topographic restrictions