![]() ![]() LECTURER NAME: MS NUR AILIE SOFYIANA SERASAĪSIA PACIFIC UNIVERSITY OF TECHNOLOGY & INNOVATIONįACULTY OF COMPUTING, ENGINEERING & TECHNOLOGY SCHOOL Optimum drilling conditions are achieved using either the maximum horsepower criterion or the hydraulic jet impact force criterion.īIT HYDRAULICS ANALYSIS FOR EFFICIENT HOLE CLEANING During a drilling operation, optimization of hydraulic horsepower at the drill bit is adopted to enhance bottom hole cleaning and to increase the rate of penetration. Drill cuttings in the wellbore cause wear and tear to the drill string and this reduces the rate of penetration therefore, there is a need for efficient bottom hole cleaning. in fact, has suggested a different optimum may exist for each nozzle size. However, presently used criteria have been unable to account for these improved drill rates. Several authors have described improved drill rates with extended or blanked nozzle bits. Nozzle configuration appears to have an effect on penetration rate. Last but not less this assignment was helpful l for students to get knowledge about drilling hydraulics. The nozzle areas of hydraulics horsepower for surface casing was 0.27 〖in〗^2, and for the intermediate casing are 0.23〖in〗^2 and 0,17〖in〗^2, and the last optimum nozzle area for the production which has been calculated is 0.2〖in〗^2. From the given data the optimum mud flow rates and the nozzle sizes should be designed for drilling at various depths until the end of the section. However, in this project, the student learned how to deal with errors and converted to the advantage and overcome with better results. Furthermore, this project helps to solve the challenges that faced the petroleum engineer in real life. This project was helpful for the student to get knowledge in general about the petroleum engineer and how to calculate the pressure loss of the system as well as the section of the optimum nozzle for the drill bit this assignment will help a lot the drilling engineer in future. ![]()
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