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地层自然造斜规律的利用 被引量:9

APPLICATION OF FORMATION NATURANL BUILD-LAW
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摘要 通过川西南地区实钻电测井料与地震资料的统计和对比,水灾较深入地研究了川西南地层的自然选料规律,并从地层学和力学的角度讨论了地层自然造斜的作用机理,提出了常规钻井条件下定量预测井村的方法及简便计算公式.研究认为,在倾斜地层中钻探,通过定量预测井料仿,将传统的按在眼布并改为沿地层自然选料的相反方向移动适当距离来确定并位,从而靠地层自然造科规律定向中靶是完全可行的,通过川西南4口井的实钻试验,获得满意的中靶效果和良好的经济效益。 篎rom the statistic and comporison of electric logging inclination in the actual wells drilled and theseimic data in the south west area of Sichuan, the formation natural building law in this area is thoroughly studied, and from the view point of stratigraphic and mechanics, the action and mechanism ofthe formation natural building is discussed, and the method for predicting well deviation and easy calculating equation are proposed. The studies consider that the driIiing in the inclincd formation, throughthe quantitative prediction of deviation value, it is quite possible to orientate the well bore tox'ard thetarget relying on the formation natural bui1ding law by changing the determination of weI1 location ac-cording to the traditional 1ocation of verical well into moving the we11 to an appropriate distance alongthe oppesite direction of formation natural building. From the drilling practices of 4 wells in south westarea of Sichuan, the turget is satisfactorily reached and good economic effect is obtuined
作者 宋华清
机构地区 四川石油管理局
出处 《石油钻采工艺》 CAS CSCD 北大核心 1994年第1期17-23,共7页 Oil Drilling & Production Technology
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