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- W2368693296 abstract "Extended reach well drilling fluid system (BH-ERD system) is a high-performance water base drilling fluid system that combines organic salt brine of high density and high inhibition as base fluid with other additives.The formula of combined organic salt and main additives are determined in the lab;organic salt dosage is 15%～20%,of which all performance indexes are superior to those of conventional potassium salt polymer drilling fluids both at home and abroad.The system has been applied to 12 wells in artificial islands of Chenghai Block One and Two of Dagang Oilfield, with maximum displacement being 3567.55m, maximum deviation being 95.23°, and maxim horizontal displacement to vertical depth (HD/VD) ratio being 2.57,and zero accidents and trouble during drilling.It helps resolve the technical problems like wellbore stability,hole cleaning,and pipe sticking, etc., breaking the monopoly of foreign drilling fluid technology companies,and bringing about significant economic and social results.Now technological specifications for drilling fluid design and wellsite operation of extend reach wells have been worked out,achieving the goal of low cost and localization,and laying technical basis for further application." @default.
- W2368693296 created "2016-06-24" @default.
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- W2368693296 date "2011-01-01" @default.
- W2368693296 modified "2023-09-23" @default.
- W2368693296 title "Study and Application of Extended Reach Well Drilling Fluid System" @default.
- W2368693296 hasPublicationYear "2011" @default.
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