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Supported Target Lines

Geosteering

Supported Target Lines

This article covers the different types of Target Lines supported in ZoneVu

Last updated on 29 Jan, 2026

ZoneVu supports 4 different Target Line Styles (0' VS Lines, Drill to Plan, Waypoints, & Waypoints with Guidelines). Each of these Target Lines allows the user to define a Drilling Window (Up, Down, Right, Left) and visualize these Target Lines in 2D, 3D, and Map View. 

Target Lines can be drawn in the Cross-Section, defined in a table, or a combination of both. Once created, the Target Line Style and/or associated Surveys (Plan/Actual) can be changed.

0' VS Lines: 

0' VS Target Lines are defined by a TVD depth at 0' Vertical Section and a Dip from this point. The user can define the MD or VS range where the line is drawn. These Target Lines can also be multi-segment lines.

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Drill to Plan:

Drill to Plan Target Lines are tied to a specific Well Plan where a Drilling Window (Up, Down, Right, Left) is defined across a specific MD or VS range.

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Waypoints:

Waypoint Target Lines are points in space defined by a distance (MD/VS), a depth (TVD/Elevation), and a Drilling Window (Up, Down, Right, Left).

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Waypoints with Guidelines:

Waypoints with Guideline Target Lines are points in space defined by a distance (MD/VS), a depth (TVD/Elevation), a Drilling Window (Up, Down, Right, Left), and the lines connecting each point.

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