最先注入的段塞通常是用来调节储层的水前置液。
The first slug injected is usually a water preflush, used to condition the reservoir.
采用了基岩酸化、前置液酸压裂、胶凝酸酸压裂和加砂压裂等工艺措施。
The technology measures of bed rock aciding, preflush and gelling acid fracturing, as well as sand fracturing etc. are used.
乳化酸酸化酸液由前置液、乳化酸、后置液、KFT反应液和顶替液组成。
Acidizing fluid of emulsified acid consists of preflush, emulsion, after-pad, KFT reaction fluid and displacement fluid.
试验结果表明，将理论模型与现场试验有机结合，用于计算前置液用量是一种有效方法。
The experimental results suggest that it is an effective method to calculate ahead fluid volume to combine the theoretical mode with field tests.
在油气井注水泥作业中，常常需要在水泥浆与泥浆之间注入一段具有特殊技术性能流体，这段流体就称为前置液。
During the primary cementing process, usually we pump some fluid with special technical performance between mud and cement slurries. It is called ahead fluid.
压裂设计中，前置液用量是一个重要施工参数，它直接影响着裂缝形态、压裂改造效果，甚至决定压裂施工的成败。
For fracturing design, ahead fluid volume is an important operation parameter, which directly influences fracture morphology, fracture results or even results the success or failure of the operation.
应用常规的地面压裂施工压力资料和前置液阶段的瞬时停泵压力测试等资料，初步探讨了求取储层原位岩石力学参数的新方法。
The rock mechanics parameters, such as Yangs modulus and Poisson's ratio, are determined on the basis of surface fracturing treatment pressure and instantaneous shut-in pressure during PAD stage.
用该方法研制开发的普通酸压、前置液酸压、泡沫酸酸压等设计软件已广泛用于现场酸压施工设计，取得了显著的技术经济效果。
A generally applicable calculation method of design of various types of acid facturing technology is set forth. In the light of this method, softwares for design of common acid fracturing, preflush …
用该方法研制开发的普通酸压、前置液酸压、泡沫酸酸压等设计软件已广泛用于现场酸压施工设计，取得了显著的技术经济效果。
A generally applicable calculation method of design of various types of acid facturing technology is set forth. In the light of this method, softwares for design of common acid fracturing, preflush …
应用推荐