2009•Drilling Fluid & Completion FluidRequires access

The Ultra High Temperature Water Base Drilling Fluid Technology for Well Bishen-1

Chen Xinan

Abstract

Well Bishen-1,located in Tanghe county of Henan Province,is a key exploration well with a completion depth of 6,005 m,and a Downhole temperature of 236 ℃.Two water base drilling fluids for use at temperatures of 220 ℃ and 245 ℃ were designed and used in field drilling operation.The application of these two drilling fluids was successful in the well Bishen-1 drilling operation.

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Key concepts: Drilling fluid, Drilling, Petroleum engineering, Geology, Base (topology), Well drilling, Completion (oil and gas wells), Mechanical engineering