But the cementing operation is very difficult because of the complicated formation pressure system.

而调整井具有地层压力系统复杂的特点，给固井施工带来很大难度。

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Therefore, the logging multifractal analysis method will take some practical significance in study of the complicated formation.

测井曲线的多重分形分析方法对于复杂地层的研究具有一定的现实意义。

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Result of application indicates that a new effective method for determining bound water volume under complicated formation conditions is provided by the model.

应用结果表明，该模型为在复杂的地层条件下求准地层束缚水体积提供了一种新的有效的方法。

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The overly-complicated codification system serves to increase the time between the formation of a claim and the time the insurance company must reimburse a physician on the claim.

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