Torque and Drag Analysis on Directional Drilling in AD-1 Well at 12.25" Hole Section Using Software

Abstract

This research discusses the analysis of the torque and drag simulation results in the AD-1 well. The main focus of this research is to find out with the addition of a depth of 1650 m in the AD-1 well using the AD-1X scenario which has the same drillstring design and operating parameter values, whether drilling can be carried out. The research plan related to the addition of depth to the AD-1 well with the AD-1X scenario is a recommendation to be given to the company because the majority of the wells in the Kalimantan field have a depth range of 2000 - 3500 m. This research begins by performing a friction factor calibration on the AD-1 well which is matched with the actual torque and drag data belonging to the offset well during drilling operations. The friction factor value calibrated is in the open hole because there are many uncertainties when drilling operations are carried out, so it is necessary to calibrate to make sure the drillstring design used and the operating parameter values can be used safely in drilling operations. The results of this study are based on the simulation results of torque and drag on the AD-1 well which is safe for drilling. However, in the scenario of adding depth to the AD-1X with drillstring design-1, it is not safe to drill. Because there is a stress failure problem in the drill pipe 5” #21.92 CS API 5D/7 - G. So the evaluation that can be given is to change the drill pipe grade from type G to type S. After replacing the drill pipe, no more problems were found in the drillstring component. So that the AD-1X well with the drillstring design-2 scenario can be drilled.