2013•Applied Mechanics and MaterialsRequires access

The Study of Deepwater Drilling Parameters Optimization

Yu Jia Zhai, Zhi Ming Wang, Quan Zhang, Qing Gao

Abstract

Calculation and optimization of hydraulic parameters remains one of major challenges when planning and drilling deepwater wells. Based on traditional drilling theory and the characteristics of deepwater drilling, the particularity of deepwater drilling hydraulic parameters design is analyzed. According to the different features of the riser segment, inclined segment and horizon segment, the method for calculating the optimum displacement is proposed in segmental way. Besides, an applicable optimization method is presented for designing deepwater drilling parameters. The predicted value exhibits good agreement with measured value in drilling field, and it has practically guiding significance to deepwater drilling hydraulic parameters design.

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Key concepts: Deepwater drilling, Drilling, Petroleum engineering, Drilling riser, Measurement while drilling, Displacement (psychology), Marine engineering, Engineering