Blar i UiS Brage på emneord "12 1/4" overburden drilling"
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Implementation of managed pressure drilling on Valhall – detailed design analysis
(Masteroppgave/UIS-TN-IPT/2015;, Master thesis, 2015-06-15)Due to reservoir depletion and compaction the overburden on the Valhall feld has become signifcantly weaker over the years. This has led to challenges with wellbore stability and lost circulation during drilling and liner ...