E Effectiveness and efficiency in drilling activities can be achieved when it is carried out in a short time and is able to penetrate a predetermined depth. Drill bit highly influences drilling activities both in terms of characteristics, performance, and hydraulics because it will affect the success and efficiency of drilling. In Well G, Field D, especially 12¼” and 8½”, an analysis and evaluation of the performance and hydraulics of the PDC drill bit was carried out.In analyzing the performance of drill bit, Specific Energy (SE) method which is broken down into Mechanical Specific Energy (MSE) and Drilling Specific Energy (DSE) is used. This method showed the efficiency of drilling activities with the aim of evaluating and optimizing drilling performance. Drilling activities can be categorized as efficient when the energy exerted by the bit is minimun while producing high ROP. Cutting lifting is also a crucial factor which was later analyzed using CTR (Cutting Transport Ratio) method.Hydraulic analysis was carried out on both trajectories and the result showed that the pressure exerted by the nozzle was not optimal, the 12¼” was 44,159% and the 8½” was 35,255%. To tackle this problem, optimization was carried out using the BHHP method so that on the 12¼” became 61,377%, and on the 8½” route it became 78,335%. The study continued with MSE and DSE analysis where the MSE value before and after optimization was equivalent because it did not consider the optimized hydraulic factors. On the 12¼”, the range for MSE value was 6.803,33 psi to 59.238,60 psi, and for the 8½” had a range of value from 4.618,47 psi to 76.765,43 psi. The DSE value after optimization decreased due to the hydraulic factor. With that being said, the 12¼” initial DSE value before optimization was 6.217,25 psi to 58.710,36 psi and after optimization, it dropped to 5.587,19 psi to 21.030,29 psi. On the 8½”, the initial DSE value ranged from 2.664,61 psi to 75.200,73 psi and after optimization became 1.203,54 psi to 74.030,68 psi. Both trajectories showed a good performance of cutting lifting proved by the result of CTR calculation where the CTR value for the 12¼” had the minimum value of 71,001% and for the 8½” the minimum CTR value was 62,080%.