The main layer is Putaohua Formation, deposited in the transition zone from a large delta front to lake in northern Songliao Basin.
主要含油层位是葡萄花油层，沉积时期处于松辽盆地北部大型三角洲沉积体系的前缘相带到湖相的过渡带上。
In line with the single main layer, severe watered out and production reduction occurred after well pattern thickening, a new way must be used to solve the previous problems.
针对温西六区块在井网加密滚动调整后出现的主力层单一、并严重水淹、产量大幅度下降等问题，必须寻求一种新的方法来解决上述出现的开采矛盾。
The in-version result can reflect the transverse variation of the main layer of PI2, PI3, it provides the technique guarantee for drilling the first ladder horizontal well successfully.
反演结果能明显反映出主力油层葡I2、葡I3层的横向变化，为成功完钻大庆第一口阶梯状水平井提供了有利技术保证。
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