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The kickoff point (KOP) is the location in a vertical wellbore or inclined section of a slant well where directional drilling operations commence in order to build the wellbore to the design orientation. The KOP defines the beginning of the [[build]] [[bend (curve)|curve]].

The kickoff point (KOP) is the location in a vertical wellbore or inclined section of a slant well where directional drilling operations commence in order to build the wellbore to the design orientation. The KOP defines the beginning of the [[build]] [[bend (curve)|curve]].

[[file:Mth14ch00f01.jpg|thumb|center|300px|Simple vertical profile of a horizontal well, illustrating basic terms.]]

[[file:Mth14ch00f01.jpg|thumb|center|500px|Simple vertical profile of a horizontal well, illustrating basic terms.]]

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