Abstract
Filtration volume of drilling fluid is directly associated with the amount of formation damage in hydrocarbon reservoirs. Many different additives are added to the drilling fluid in order to minimize the filtration volume. Nanoparticles have been utilized recently to improve the filtration properties of drilling fluids. Up to now, no model has yet been presented to investigate the effect of nanoparticles on filtration properties of drilling fluids. The impact of various nanoparticles is investigated in this study. Artificial neural network is used as a powerful tool to develop a novel approach to predict the effect of various nanoparticles on filtration volume. Model evaluation is performed by calculating the statistical parameters. The obtained results by the model and the experimental results are in an excellent agreement with average absolute relative error of 2.6636%, correlation coefficient (R2) of 0.9928, and mean square error of 0.4797 for overall data. The statistical results showed that the proposed model is able to predict the amount of filtration volume with high precision. Furthermore, the sensitivity analysis on the input parameters demonstrated that nanoparticle concentration has the highest effect on filtration volume and should be considered by researchers during process optimization.
Highlights
The first stage in the petroleum industry to access a hydrocarbon reservoir is the drilling operation
Drilling fluids are responsible to carry out many different functions during the drilling process as controlling the formation hydrostatic pressure, preventing collapse of wellbore surface, transferring cuttings to the surface, suspending cuttings and additives, preventing formation damage by forming good mudcake on the wellbore surface, lubricating and cooling the bit and drilling string, and so on
The effect of additives and human must be added to the usual problems that are encountered during the drilling process that affect the drilling fluid properties
Summary
The first stage in the petroleum industry to access a hydrocarbon reservoir is the drilling operation. Drilling fluids are responsible to carry out many different functions during the drilling process as controlling the formation hydrostatic pressure, preventing collapse of wellbore surface, transferring cuttings to the surface, suspending cuttings and additives, preventing formation damage by forming good mudcake on the wellbore surface, lubricating and cooling the bit and drilling string, and so on. These fluids should be designed and manufactured well in such a specific characterization in order to handle the above functions. The effect of additives and human must be added to the usual problems that are encountered during the drilling process that affect the drilling fluid properties
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