APPLYING RESPONSE SURFACE METHODOLOGY TO DETECT VARIABLES THAT HAVE A SIGNIFICANT IMPACT ON BIT HORSEPOWER AND IMPACT FORCE
DOI:
https://doi.org/10.11113/aej.v15.22388Keywords:
Hydraulic optimization, bit hydraulic, bit optimization, bit horsepower, impact forceAbstract
Bit hydraulics as jet velocity of nozzles (Vn), pressure loss of bit (dPb), Hydraulic horsepower of bit (HHP), hydraulic horsepower of bit per square inches (HSI), jet impact force (Fj), and total flow area of nozzles (TFA), are integral to drilling, especially in soft rocks like shale. The poor bit hydraulic design makes it hard to clean the bottom of the hole; This can lead to "balling" when cuttings build up on the bit face and slow or stop drilling in extreme cases. This study investigates the optimization of drilling operations in soft rock formations, focusing on maximizing bit horsepower and jet impact force for enhanced drilling efficiency. Through a statistical analysis of ten wells in the X-field, controlled and uncontrolled drilling parameters are evaluated for their impact on achieving these optimization goals. Response surface methodology is employed to develop mathematical models that address key questions regarding the effects of these parameters on the two-bit criteria. The study aims to determine the influence of both controlled and uncontrolled parameters on maximizing bit horsepower and jet impact force simultaneously. Results from the analysis reveal insights into which parameters are more effective in driving the optimization process. By identifying optimal values of drilling operation parameters, this study provides valuable insights for achieving maximum performance in drilling operations, thereby minimizing issues such as balling and improving overall drilling efficiency.
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