Blar i NTNU Open på forfatter "Heskestad, Øyvind"
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Utfordringer med pustende brønner under boreoperasjoner
Heskestad, Øyvind (Master thesis, 2010)Wellbore breathing, also known as ballooning, observed while drilling has often been mistakenly interpreted as an influx of formation fluid or the loss of drilling fluids. This misinterpretation leads to costly well control ...