Drilling Technology Optimizes Lateral Spacing

Positional uncertainty can be modelled by 3-D EOUs at each survey point in the well path, representing a statistical distribution of where the actual survey may exist. EOUs are computed from tool codes using anti-collision software. ISCWSA's Operator's Wellbore Survey Group has published a consolidated set of tool codes to represent most surveying methodologies.
Read out the full technical paper here: https://www.helmerichpayne.com/resources/technical-publications/drilling-technology-optimizes-lateral-spacing or you can also download the PDF of the same from here: https://www.helmerichpayne.com/media/technical-publications/AOGR-April-2017_0.pdf.
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