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Energistics Standards Directory

Fast access to Energistics standards

WITSML Standards


PRODML Standards


RESQML Standards


asset and data management standards


industry services




Geology Standards

  • Recommended Practices for Core Analysis, February 1998
  • Practical Well Log Standards, v2.0
  • Recommended Practices for Exploration and Production Digital Data Interchange, RP66v2
  • Energistics RP66 Organization Codes
  • Log Information Standards (LIS-79)
  • WellLogML (deprecated - see WITSML Log data object)
  • Standard Legend for Lithology (1995, donated by Shell)