Sidetrack

In the context of horizontal wells, an additional wellbore drilled away from an original vertical or horizontal wellbore is a sidetrack. A sidetracking operation may be done intentionally or may occur accidentally. A multilateral or multilevel well will have multiple intentional sidetracks drilled to provide multiple productive laterals.

Simple vertical profile of a horizontal well, illustrating basic terms.

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See also

• Bend
• Build rate
• Extended-reach wells
• Geosteering
• Heel
• Kickoff point
• Lateral
• Logging while drilling
• Measurement while drilling
• Multilevel well
• Multilateral well
• Horizontal well
• Toe
• Total measured length

External links

find literature about Sidetrack

• Original content in Datapages
• Find the book in the AAPG Store