The loss of mud in the formation might also reduced the mud level within the wellbore, which will decreased the hydrostatic pressure in the hole. In shale sections, this induced lesser wall assistance may possibly trigger sloughing of shales, which further more may well cause pipe sticking. To paraphrase, https://messiahncuja.ouyawiki.com/2444205/not_known_details_about_wellbore_fluid_loss