Operational Situations: Drilling was executed below overbalanced drilling (OBD) circumstances, where the hydrostatic pressure in the drilling mud column deliberately exceeds the formation pore stress. When the dip angle in the fracture is 0.five, the coincidence degree from the indoor and field drilling fluid lost control effectiveness is bigger https://directory-2020.com/listings1205824/not-known-facts-about-circulation-loss-prevention