Speaker | Jerry Codling, Senior Technical Advisor, Halliburton Landmark

Jerry Codling is a Senior Technical Advisor with Halliburton Landmark, and has worked at Landmark for over 23 years on directional drilling and well budgeting applications. A mining engineer and geophysicist, he has previously worked with directional drilling and survey companies, developing survey technology. He has published three papers on this subject, and is an active participant with the Industry Steering Committee on Wellbore Survey Accuracy (ISCWSA), which is affiliated with the Society of Petroleum Engineers (SPE) Wellbore Positioning Technical Section.


  • Observe the latest developments in directional survey uncertainty modeling
  • Understand the importance of having quality directional survey data and the correct survey tool assignments
  • Understand some of the myths regarding the accuracy of directional survey modeling ​


  • Operating company drilling engineers and managers
  • Directional drilling company wellbore positioning specialists        
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