Non-Newtonian fluid flow in rough-walled fractures: A brief review

摘要

Non-Newtonian fluids are common in drilling and oil production.Examples include drilling fluids,heavy oils and fluids used in hydraulic fracturing.A review of the state of the art indicates that our current knowledge of non-Newtonian fluid flow in rough-walled fractures is fragmented,and many assumptions used in numerical simulations are not properly justified.This is unlike Newtonian fluid flow in fractures where a considerable progress has been made over the last 30 years.Open questions and topics that need further investigation are identified based on the review.