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→Horizontal wellbore
==Horizontal wellbore==
==Horizontal wellbore==
[[file:wellbore-trajectory_fig8.png|300px|thumb|{{figure number|8}}Build rates for classification of horizontal wells.]]
A ''horizontal well'' is a special type of directional well. At a predetermined depth, the well is kicked off and, the angle is built to a 90 ° inclination. The major reasons for horizontal drilling are
A ''horizontal well'' is a special type of directional well. At a predetermined depth, the well is kicked off and, the angle is built to a 90 ° inclination. The major reasons for horizontal drilling are