Browsing Studentoppgaver (TN-IKM / TN-IMBM) by Author "Jonassen, Inger Lise Gjeraldstveit"
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Evaluation of a top hole full return drilling system applying a concentric dual drill string and an integrated pump
Jonassen, Inger Lise Gjeraldstveit (Masteroppgave/UIS-TN-IKM/2017;, Master thesis, 2017-06-14)This thesis evaluates the possibility for a full mud return, top hole drilling system, applying a concentric dual drill string and an integrated pump. Top holes are usually drilled without mud return, leaving the cuttings ...