Research progress and development suggestions of high-temperature resistant drilling fluid systems at home and abroad
Deep drilling is a necessary means of obtaining deep oil and gas resources and accurately detecting the deep earth.As the increase of the depths in deep wells and extra-deep wells,the high-temperature environment poses stricter requirements on drilling fluid systems.In recent years,new progress has been made in anti-temperature drilling fluid systems through continuous research.This paper summarizes the research and application of various high-temperature drilling fluid systems at home and abroad,and highlights the advantages and application scenarios of different systems,including high-temperature resistant water-based drilling fluid systems of high-temperature resistant polysulfide drilling fluid,high-density drilling fluid,low-density drilling fluid;high-temperature resistant oil-based drilling fluid,water-in-oil,oil-in-water and reversible oil-based drilling fluid systems;high-temperature resistant solid-free drilling fluid systems such as offshore deepwater solid-free,formate drilling fluid,foam drilling fluid,and weak gel drilling fluid;organosilicon drilling fluid systems and biomass drilling fluid systems.The future development directions is environment friendly,improved high-temperature resistance perpormance,cost reduction and enhanced multifunctionality,which requires continuous technological innovation and cooperation to promote the development and application of high-temperature drilling fluid systems in the drilling industry towards sustainability and efficiency.
high temperature resistant drilling fluidextra-deep wellresearch progressdevelopment suggestion
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