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Keywords hydraulic fracture;coal dust;transfinite gas; 水力压挤;瓦斯超限;煤体压裂;裂隙带;煤尘;
Keywords hydraulic fracture;modeling test;similarity theory;equational analysis;scaling laws;control equation; 水力压裂;模拟实验;相似理论;方程分析法;相似准则;控制方程;
Keywords hydraulic fracture;flow property;layer media formation;irregularity promulgation;three dimension fluid field;laminar simulation;useful research results; 关键词水力压裂;流动特征;层状介质;不规则传播;三维流场;层流模拟;流态转换;
Keywords hydraulic fracturing;microseismic wave;monitoring; 水力压裂;微地震波;监测;
Keywords Hydraulic Fracturing;Hydraulic Pressure;Fracture;Obliquity Effect;Initiation;Aperture;Permeability; 水力劈裂;水压力;裂隙;倾角效应;起劈;隙宽;渗透性;
Keywords hydraulic fracturing;mechanical layering;equilibrium fracturing; 水力压裂;机械分层;均衡改造;
Keywords hydraulic fracturing;salutatory barrier;fracture propagation;normal stress difference;pay zone;fracture toughness;experimental study; 水力压裂;突变体;裂缝延伸;法向应力差;产层;断裂韧性;实验研究;
Keywords hydraulic fracturing;facture;production performance model;numerical simulation;percolation mechanism; 水力压裂;裂缝;生产动态模型;数值模拟;渗流机理;
Keywords hydraulic fracturing;fracturing fluid ad-ditive;gelling agent;crude oil; 水力压裂;油基压裂液;胶凝剂;原油;
Keywords hydraulic fracturing;clean-fracturing fluids;viscoelasticity;surfactant;application of oil field;direction for producing;densimeter;capacity of testing; 水力压裂;清洁压裂液;粘弹性;表面活性剂;油田应用;配方;密度计;性能测试;
Studies on hydraulic fracture of high concrete gravity dam were carried out with the interface model developed. 同时，利用所建立的考虑缝面水压的接触面模型对高重力坝坝踵水力劈裂展开了初步研究。
The borehole falling and hydraulic fracture during drilling have a close relation with the distribution of stress field. 钻井过程中井眼跨塌、水力压裂裂缝的形成与应力场的分布有十分密切的关系。
Keywords Hydraulic fracturing;Proppant;Washout;Surface flow process;Hydraulics;Sand grain catcher; 水力压裂;支撑剂;冲蚀;地面流程;水力学;砂粒捕集器;
It is well known the there is a great effect on the fracture promulgation and shapes by property of fracture fluid in the hydraulic fracture during the hydraulic operations. 在水力压裂过程中,缝内流体的流动特征对裂缝的延伸和形态具有很大的影响。
The dimensionless net pressure, difference of Yang’s modulus and fracture toughness between reservoir and salutatory barrier also affected the behaviors of hydraulic fracture. 产层与突变体之间的弹性模量差异、断裂韧性差异以及缝内净压力无因次量是影响裂缝走向的重要因素。
Keywords Hydraulic Fracturing Fluid;Cannabina Gum-Based Gelling Fracturing Fluid;Magnetic Treatment;Magnetized Fracturing Fluid;Laboratory Investigation;Field Tests;Karamai Oil Field （Xinjiang）; 水基压裂液;田菁胶压裂液;磁处理;磁化压裂液;实验室研究;现场试验;克拉玛油依田（新疆）;
Actually, hydraulic fracture technology has now matured at abroad and home, but the approach of quality control over the field construction of technology needs further perfecting. 在国内外,水力压裂工艺目前已经非常成熟,但工艺现场施工这个环节的质量控制手段还有待进一步的完善。
The paper sequentially analyzed the starting-crack mechanism of hydraulic fracture bore which lies in coal delamination or lies between two coal delaminations or through many coal delaminations. 进而论文分析阐述了煤分层中钻孔、分层层面钻孔、以及穿层钻孔水力压裂的起裂机理。
The process of hydraulic fracture connection and solution mining is a complicated course, which involves hydraulic fracture expanding, convection, pervasion, quality and heat passing and so on. 对水压致裂连通溶解开采的过程及机理 ,在理论上进行了一定的分析 ,其内容主要包括 :岩盐矿层内水力裂缝的起裂扩展、盐矿物的溶解等。
At the tip end of fracture,there is very high stress and dilatancy occurs during hydraulic fracturing. 水力压裂中,由于缝内压力平衡了水平地应力,形成了产生压胀的条件,已经是石油界公认的事实。