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A reliable method for relative placement between wells

Operators need a reliable way to know the relative placement between two or more wells with a larger separation distance to safely drill in the same area. The RangeStar™ Rotating Magnet Well Positioning Service provides active magnetic ranging to accurately determine the position of nearby wellbores and reduce survey errors.

The RangeStar™ Rotating Magnet Well Positioning Service operates with well-to-well separation distances up to 262 ft (80 m). From the reference or target wellbore, the RangeStar™ Rotating Magnet Well Positioning Service sensors detect the magnetic field generated by magnets embedded in the specially equipped extended-gauge bit or bit sub in the drilling or pursuit well.

Applications include:

  • Stacked horizontal well pairs for steam-assisted gravity design (SAGD)
  • Infill drilling and collision avoidance
  • Wellbore intersections for well control
  • Pipeline crossings
  • Observation well placement
  • Coalbed methane degasification wells

Drilling the majority of SAGD pairs worldwide

Halliburton has deployed the RangeStar™ Rotating Magnet Well Positioning Service in more than 1,000 wells globally. 

Benefits

  • Extensive global experience in anti-collision and interception
  • Provides greater survey accuracy than conventional surveying technology
  • Allows tighter well spacing, including perpendicular approach angles

Features

  • Accurate well placement 
  • Improves collision avoidance with look-ahead capabilities
  • Eliminates influence from outside magnetic sources
  • Works at larger separation distances
  • Rated to 200°C (392°F)

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