用套管弹性解定义的套管地应力载荷,稍低于流变地层中套管所受最大压力。
The casing tectonic stress load defined by elastic solution is slightly less than the maximum pressure subjected by casing pipe in rheological formation.
可用来检测盐岩等流变地层中下入套管的安全性或在已知套管外载时进行套管强度设计。
The casing strength design charts presented by this paper can be used to check the safety of the casing in salt bed or help perform casing strength design when the load is known.
流经上部地层的那部分电流变得可以忽略不计。
The portion of the current confined to the surface layer becomes negligible.
中原油田地层情况复杂,漏失量大,通过对中原油田调整井地层复杂情况及漏失特点的分析,认为防漏是复杂区块调整井成功的关键,主要体现在防漏技术、配方、密度、流变性能、固控、起下钻措施等方面。
In this paper, through the analysis of complex formation and leakage features of adjustment well in Zhongyuan Oilfield, the result shows that antileakage is key to drill successfully adjustment well.
本文以流变学理论为基础,对软弱地层内隧道围岩—支护系统的时间因素问题进行了分析,对合理的支护时间作了较为全面的探讨。
The time factor problems of tunnel surrounding rock vs. supporting system in weak formation are analysed and the reasonable supporting time is broadly explored with rheological theory.
该压裂液配制简单,不需要杀菌剂和破胶剂,具有流变性能好、造缝与携砂能力强、对地层伤害小、使用方便等优点。
Other advantages of it are good rheological property, strong fracture making ability and sand carrying capacity, and little damage to formation, etc.
该压裂液配制简单,不需要杀菌剂和破胶剂,具有流变性能好、造缝与携砂能力强、对地层伤害小、使用方便等优点。
Other advantages of it are good rheological property, strong fracture making ability and sand carrying capacity, and little damage to formation, etc.
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