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fracturing
相关语句
  压裂
    DESIGN AND MECHANICAL ANALYSIS OF THE FRACTIONAL FLOW FRACTURING STRING IN A HORIZONTAL WELLX
    水平井分流压裂管柱设计与力学分析
短句来源
    Development of the Surface Monitoring Instrument for Hydraulic Fracturing Based on Virtual Instrument
    基于虚拟仪器的压裂施工地面监测仪的研制
短句来源
    Methods for Intelligent Control in the Process of Hydraulic Fracturing Operation
    水力压裂施工过程中智能化控制方法研究
短句来源
    Application of the Fuzzy Neural Network System in the Development of Oil Fracturing Proppant
    模糊神经网络在石油压裂支撑剂研制中的应用
短句来源
    Design of Based on Profibus in Fracturing Network Autocontrol System
    基于Profibus总线的压裂机组网络控制系统设计
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  “fracturing”译为未确定词的双语例句
    The Coupled Mathematical model of Fracturing Water Dissolve Mining for Salt Deposit
    盐类矿床致裂水溶开采的耦合控制方程
短句来源
    REMOTE SENSING-ROCK MECHANICS (VIII)—— TIR OMENS OF ROCK FRACTURING
    遥感-岩石力学(VIII)——论岩石破裂的热红外前兆
短句来源
    Based on the fundamental experiments on remote sensing-rock mechanics,the thermal infrared radiation (TIR) omens of rock fracturing are systematically analyzed and studied.
    在总结多年遥感-岩石力学基础实验研究的基础上,对岩石破裂的热红外前兆进行了系统总结与分析,包括:前兆表现形式及其类型、前兆的时间及空间特征、前兆的机理等。
短句来源
  相似匹配句对
    Purpose To provide reliablemethod for successful fracturing.
    目的为实施成功压裂提供可靠方法。
短句来源
    Methods for Intelligent Control in the Process of Hydraulic Fracturing Operation
    水力压裂施工过程中智能化控制方法研究
短句来源
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  fracturing
Hydraulic fracturing in an inhomogeneous reservoir
      
A method of estimating the change in well productivity resulting from the hydraulic fracturing of a finite reservoir, piecewise-homogeneous in the horizontal and vertical directions, with an arbitrary number of cracks is proposed.
      
A correction coefficient that enables these estimates to take into account the effect of capillary trapping of mud and fracturing fluid filtrate is derived [1, 2].
      
The electric signals produced by fracturing rods made of different metals immersed in a high-temperature jet of combustion products are measured.
      
The ultrastructure of UMB cells has been studied using ultrathin sections and freeze-fracturing.
      
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Method Using nervous net expert system, this paper predicts the results of well andlayer fracturing and acidizing in different reservoirs and blocks. Purpose To provide reliablemethod for successful fracturing. Result The application of this system in blocks Miao 5and 7 in Horqin oil field of inner Mongolia shows that it is good at choosing well and layerfor fracturing and result evaluating. Conclusion Nervous net expert system can summarizethe influence factors for well and layer fracturing...

Method Using nervous net expert system, this paper predicts the results of well andlayer fracturing and acidizing in different reservoirs and blocks. Purpose To provide reliablemethod for successful fracturing. Result The application of this system in blocks Miao 5and 7 in Horqin oil field of inner Mongolia shows that it is good at choosing well and layerfor fracturing and result evaluating. Conclusion Nervous net expert system can summarizethe influence factors for well and layer fracturing and acidizing results of different reservoirsor blocks. It can also correctly Judge the extent of well and layer fracturing and acidizing,can predict the productivity, and it is especially effective on fracturing in low permeabilityheavy oil reservoir.

方法应用神经网络专家系统,对不同油气藏、区块的井层压裂酸化效果进行预测。目的为实施成功压裂提供可靠方法。结果该系统在内蒙古科尔沁油田庙5、庙7块的应用表明,该专家系统能较好进行压裂的选井选层及效果评价。结论神经网络专家系统能对不同油气藏或区块的井、层压裂酸化效果总结出其影响因素.正确判断井、层适合压裂酸化的程度及产能预测,尤其对低渗、稠油油层的压裂具有很好的效果。

Because the hydraulic fracturing operations are almost finished in the perforated wells and the fracturing fluid is pumped into through these perforations to complete the fracturing operation,the different perforation parameters would inevitably produce varying effects on the operating results.Through analyzing the influence of the perforation parameters(perforating density,perforation diameter,phase and perforatingregime)on fracturing operation pressures and how to affect the mechanism...

Because the hydraulic fracturing operations are almost finished in the perforated wells and the fracturing fluid is pumped into through these perforations to complete the fracturing operation,the different perforation parameters would inevitably produce varying effects on the operating results.Through analyzing the influence of the perforation parameters(perforating density,perforation diameter,phase and perforatingregime)on fracturing operation pressures and how to affect the mechanism of producing initital fractures by these parameters when the fracturing is being carried out,an optimum perforation design method for prefracturing wells is proposed and the perforation design criteria being of widely applicable value are provided also.In this method,the interaction among various operations is considered,which is beneficial to decrease formation breakdown pressure,to increase the success ratio of fracturing operation and to raise the technical management level of the operation.Through application in field,it is shown that this method is effective.

水力压裂施工几乎都是在射孔井上完成,并通过孔眼泵入压裂液,完成压裂施工。因而不同的射孔参数必然会对施工效果产生不同程度的影响。文中通过射孔参数(包括孔密、孔径、相位和射孔方式)对压裂施工压力的影响分析和射孔参数如何影响压裂时初始裂缝产生的机理分析,提出了对欲压裂施工井的射孔优化设计方法,并提供了具有广泛适用价值的射孔设计准则。该方法考虑了不同施工作业间的相互影响,有利于降低地层的破裂压力,增加压裂施工的成功率,提高作业的工艺管理水平。现场应用表明该方法是行之有效的。

The fractional flow fracturing operation in horizontal well is for the first time in China and the design and mechanical analysis of fracturing string is one of the key technical problems in the fracturing operation.Under the action of borehole curvature,an initial bending of the fracturing string in a horizontal well is produced along the borehole,then a deformation of the bent fracturing string will be produced again under the comprehensive action of the temperature,sole weight,inner...

The fractional flow fracturing operation in horizontal well is for the first time in China and the design and mechanical analysis of fracturing string is one of the key technical problems in the fracturing operation.Under the action of borehole curvature,an initial bending of the fracturing string in a horizontal well is produced along the borehole,then a deformation of the bent fracturing string will be produced again under the comprehensive action of the temperature,sole weight,inner and outer pressures and locally concentrated force,and then the deformed fracturing string will be certainly contacted with the casing inner wall.Such contact state shows a random distribution along well depth and around borehole,being a nonlinear problem of random multidirectional contact friction.This problem can be solved by use of “Multidirectional contact friction gap element method”.By taking the fractional flow fracturing string engineering of a horizontal well in Daqing oil field as an example,a forced deformation calculation is carried out,which gives out the contact friction state of the fracturing string with the casing inner wall,the string bottom deformation,the wellhead load and the inner force and stress at any section of the string under various operating conditions,so as to provide a reliable theoretical basis for the design and operation of the fracturing string.Through testing in field,it is shown the relative errors of the theoretical calculation values of the wellhead loads with their measured ones are less than 13%,which can fully meet the engineering′s demand,and a large scale fractional flow fracturing operation was successfully carried out in the horizontal well.

国内对水平井进行分流压裂施工尚属首次,压裂管柱设计及力学分析是压裂施工的关键技术问题之一。水平井压裂管柱在井眼曲率作用下随井身产生初始弯曲,弯曲后的压裂管柱在温度、自重、内外压力和局部集中力的综合作用下再次产生变形,变形后的压裂管柱必将与套管内壁产生接触,这种接触状态随井深和井眼圆周方向随机分布,是一种随机的多向接触摩擦非线性问题。文中将运用“多向接触摩擦间隙元法”对这一问题求解,并结合大庆油田水平井分流压裂管柱工程实例,进行了受力变形计算,给出了不同工作状况下压裂管柱与套管内壁的接触摩擦状态、管柱下端变形、井口载荷以及管柱任一截面处的内力和应力,为压裂管柱的设计和施工提供了可靠的理论依据。经现场试验表明,井口载荷的理论计算值与实测值的相对误差均在13%以内,完全满足于工程的需要,并在水平井中成功地实施了大型分流压裂作业。

 
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