PERFORMANCE CASE

An oil field block in Russia is a typical ultra-low permeability oil reservoir. The reservoir sediment type in this block is mainly sandy debris flow and turbidity current deposition. The reservoir physical properties are poor. The pore type is mainl...

In 2020, when drilling fluid mud was used in several high-temperature oil wells in a Russian oil field, problems such as large flow resistance and high friction coefficient of the filter cake occurred. It was inconvenient to use and the drilling cost...

 In 2020, an oil field in western China detected that the H2S content in two oil wells seriously exceeded the standard. One of the wells had a H2S content of 576ppm and required the use of a certain amount of sulfur removal agent to reduce the H...