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《Geological Science and Technology Information》 2009-03
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Technique of Development with Horizontal Well in Baorao Oilfield Lin 4 Block for Marginal Stratified Reservoir

GUO Fa-jun 1,SUI Shao-zhong 2,GUO Fa-lan 3,ZHANG Yong-ping 1,YAN Ai-hua 1 (1.Exploration & Production Research Institute of Huabei Oilfield,CNPC,Renqiu Hebei 062552,China;2.Qinghai Oilfield Surveillance and Censorial Company,Dunhuang Gansu 736202,China;3.Jilin Oilfield Gas Production Factory,Songyuan Jilin 138000,China)  
Lin 4 Block is a main reservoir of Baorao Oilfield,a typical marginal stratified reservoir with low permeability,thin thickness of oil layer mainly of 3—5 m and bad physical property.As no profit can be obtained from the vertical well production,horizontal well plus vertical well were arranged and 6 horizontal wells had been drilled during 2005 to 2006,for there is some producing ability,and the main oil reservoir distribution is stable.It happened to meet 309.3 m oil layer every well with 15.6 t/d oil rate.This proves to be very effective in the development for marginal stratified reservoir with low permeability.
【CateGory Index】: TE348
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