APPLICATION OF SIDETRACKING USING CASING SECTION MILL IN BURIED HILL RESERVOIR

Due to long period of development in Renglu oilfield,the bottom water moved along with large fractures and coming occured which made the production decrease and water content increase. To enance oil recovery, the directional sidetracking was adopted using K type section mill tool made in ICT compony of U S A. This paper introduced the structure of tool,selection of casing section and peition to be milled and milling condition and focused on the casing section mill techoology and anaiyzed the problems will be meet during operation.