Orenburgneft: Forecasting Drilling Mud Loss through Interval Wellbore Pressure Testing
А. A. Voronin (OJSC Orenburgneft) AAVoronin@rosneft.ru Introduction Based on experience, in almost all of the wells drilled in the Orenbourg region there is a mud loss issue at various intervals, where the probability of mud loss occurring, during drilling, is approximately 50%. Frac gradient data which is included into the …