Previous Article Next Article Table of Contents Geothermics, Vol.72, 371-371, 2018 DOI10.1016/j.geothermics.2017.12.011 Export Citation Development of a trip time for bit exchange simulator for drilling time estimation (vol 71, pg 24, 2018) Lee SS, Kim KY, Seo JW Please enable JavaScript to view the comments powered by Disqus.