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Evaluation of the viability of nanoparticles in drilling fluids as additive for fluid loss and wellbore stability

Petroleum 2023年第3期9卷 342-351页

作者： albertus Retnanto Rommel Yrac Abdullah Shaat Adhika Retnanto Laith Abughaush maha al sulaiti Najla Badar Texas A&M University at Qatar Qatar Georgia Institute of Technology USA

Wellbore instability is an issue that,if left untreated,can cause wells to collapse,resulting in human,environmental,equipment,and revenue *** fluids have been used to enhance the drilling process by lubricating and cooling the drill bit,eliminating cuttings,and most importantly,by improving the stability of the well by preventing fluid ***,there has been an increase in operational demands and challenges that call for drilling fluids to be more effective,economical,sustainable,and environmentally *** shales that have infinitesimally small pores,nanoparticle additives in drilling fluids can be crucial in providing the properties that are necessary to prevent fluid loss and provide wellbore stability while meeting the operational demands of the present ***,this paper examines the use of nanoparticle additives including copper(Ⅱ)oxide(CuO),magnesium oxide(MgO),and aluminum oxide(al_(2)O_(3))where they are tested under three conditions using the permeable plugging tester(PPT),high-temperature high-pressure(HTHP)fluid loss apparatus,and API low-temperature e low-pressure(LTLP)fluid loss apparatus under concentrations of 0.03%and 0.10%.Finally,based on the results,each nanoparticle sample(particle sizes between one and 100 nm)performed well in contributing to the aim of this *** is the most effective inhibitor across all concentrations and under the three different *** contributed to reducing the fluid loss from 37.6 mL to 18.2 and 13.2 mL,which is between 52%and 65%of fluid *** MgO,it contributed to fluid loss reduction to 23.8 mL and 15 mL,which translated to 37%e60%of fluid loss *** use of al_(2)O_(3) nanoparticles resulted in a fluid loss reduction to 33.6 mL and 17.8 mL,reducing the fluid loss up to 11%,at HTHP and up to 53%at *** CuO and MgO,al_(2)O_(3) was less effective under HTHP conditions when compared to LTLP ***_(2)O_(3) did not suffer as a significant diminishing

关键词： Nanoparticles Drilling fluids Additives Fluid loss High-temperature and high-pressure

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