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产能计算
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  productivity calculation
     PROBLEMS CONCERNING THE PRODUCTIVITY CALCULATION OF HORIZONTAL WELL AND BRANCH HORIZONTAL WELL
     水平井与分支水平井产能计算的几个问题
短句来源
     On the basis of traditional calculation methods of gas well productivity, equations for un-steady state flow of gas wells and Laplace transform, a productivity calculation method for gas wells at various production stages and under different formation pressures were studied.
     在详细研究前人有关气井产能的计算方法基础上,从气体不稳定渗流方程入手,根据Laplace变换原理,得出了气井在不同生产阶段和不同地层压力条件下的产能计算方法。
短句来源
     PRODUCTIVITY CALCULATION METHOD OF FRACTURED HORIZONTAL WELLS IN LOW PERMEABILITY OIL OR GAS FIELD
     低渗透油气藏压裂水平井产能计算方法
短句来源
     On the basis of researching the empirical formulas of productivity calculation of the oil & gas well completion both in China and broad, and several common completion methods in shallow gas pool of east Sichuan gas field, the mathematical model for predicting completion productivity has been established.
     在分析研究目前国内外油气井完井产能计算经验公式的基础上,针对四川气田东部浅层气藏常用的几种完井方式,建立了该地区完井产能预测的数学模型。
短句来源
     Analysis of inflow per formance is necessary for gas engineering,nodal system analysis,productivity calculation and gas production allocation.
     凝析气井流入动态分析是气藏工程研究、节点分析及产能计算与配产不可缺少的一部分。
短句来源
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  production capacity calculation
     PRODUCTION CAPACITY CALCULATION OF COMBINED DISTRIBUTION OF HORIZONTAL AND VERTICAL WELLS
     水平井与直井联合布井的产能计算
短句来源
  “产能计算”译为未确定词的双语例句
     Calculation and analysis of the true productivity of a well of low permeable reservoirs of deformation medium
     变形介质低渗透油藏油井真实产能计算与分析
短句来源
     A Computation Method for Productivity of Super-Radius Hydraulic Horizontal Wells and Analysis of Factors on It
     超短半径水力水平井产能计算方法及影响因素分析
短句来源
     The analysis and calculation of oil well productivity with perforating completion is of great importance in oil field development and production.
     射孔完井后的油井产能计算和分析是油田开发与开采中的重要环节. 为了研究各种射孔参数对油井产能的影响.
短句来源
     The Productivity Formula Calculation and Effective Analysis on Water-Power Deep Perforation Well.
     水力深穿透射孔井产能计算方法及开发效果分析
短句来源
     DERIVATION OF PRODUCTIVITY FORMULAE OF A FISHBONE WELL
     鱼骨型水平井产能计算公式推导
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  productivity calculation
The formulas to be used for the ethanol productivity calculation in the case of free and agar immobilized cells are given.
      
Firstly, productivity calculation is different from efficiency calculation in the sense that the former compares actual data points while the latter expresses hypothetical productivity improvement.
      
The cost of labor is not included in the productivity calculation, so increasesin the cost of labor could eliminate the productivity gains.
      


The analysis and calculation of oil well productivity with perforating completion is of great importance in oil field development and production. A 3-D perforation model was developed with finite element method, and an engineering method of well perforation productivity calculation with nine parameters was established by using nonlinear regression. The result was compared with that of other authors. Influence sensitivity of the parameters on well productivities was studied. The ordering of parameters was also...

The analysis and calculation of oil well productivity with perforating completion is of great importance in oil field development and production. A 3-D perforation model was developed with finite element method, and an engineering method of well perforation productivity calculation with nine parameters was established by using nonlinear regression. The result was compared with that of other authors. Influence sensitivity of the parameters on well productivities was studied. The ordering of parameters was also given, which is useful in quantitative analysis.

射孔完井后的油井产能计算和分析是油田开发与开采中的重要环节.为了研究各种射孔参数对油井产能的影响.本文以有限元法为基础建立了油井射孔的三维、多孔眼模型.进而应用非线性回归的方法建立了计算油井产能的公式.并编制了系统软件.对9种射孔参数的影响进行了分析研究.并与国外的研究结果进行了分析对比.此外.对每一个影响因素对产率比的敏感性进行了分析.得出各参数在射穿污染带与未射穿污染带及高污染与低污染等不同情况下对产率比的影响程度排序.

Some problems of multiwellbore horizontal well flow is solved by using the pseudo-3D analytical method. The calculation formulas in plane and in vertical cross section are derived. By use of the principle of equivalent flow resistance the solution of a 3D problem was obtained. The isopotential and flow line figure is given. A new method for calculating horizontal well productivity is established. It can decribe the fundamental flow law. It can be also successfully used as an effective tool for analysis of reservoir...

Some problems of multiwellbore horizontal well flow is solved by using the pseudo-3D analytical method. The calculation formulas in plane and in vertical cross section are derived. By use of the principle of equivalent flow resistance the solution of a 3D problem was obtained. The isopotential and flow line figure is given. A new method for calculating horizontal well productivity is established. It can decribe the fundamental flow law. It can be also successfully used as an effective tool for analysis of reservoir engineering for flow of multiwellbore horizontal wells.

对一种较新的水平井布井的方式——多井底水平井的渗流问题.运用拟三维方法进行分析.得出了在平面上和剖面上的解析解.再运用等值渗流阻力法得出了含三维空间的解和二维空间中的流场变化.提出了产能计算公式.其综合公式能更完善地反映渗流的基本规律.所提出的方法对于水平井油藏工程研究提供了基本分析手段.

In this paper, four methods for calculating the productivity of horizontal wells were reviewed, and the modified equations were given for the horizontal wells with anistropy of reservoir permeability, well eccentricity and formation damage. The factors affecting the productivity, such as reservoir thickness, horizontal well length, the anisotropy ratio of reservoir permeability, well eccentricity and formation damage on the productivity of horizontal wells were quantitatively an3lyzed by means of some calculation...

In this paper, four methods for calculating the productivity of horizontal wells were reviewed, and the modified equations were given for the horizontal wells with anistropy of reservoir permeability, well eccentricity and formation damage. The factors affecting the productivity, such as reservoir thickness, horizontal well length, the anisotropy ratio of reservoir permeability, well eccentricity and formation damage on the productivity of horizontal wells were quantitatively an3lyzed by means of some calculation example and field data. It is shown from the analyzed results that formation damage is generally the major factor affecting productivity of horizontal wells. However, other influence factors should not be ignored in many cases.

本文综述了水平井产能的4种计算方法,并给出了当储层存在着渗透率各向异性、井偏心或地层损害时修正的产能计算公式。通过计算实例和现场数据定量地评价了储层厚度、水平段长度、储层渗透率各向异性指数、偏心距和地层损害等对水平井产能的影响。分析结果表明,以上影响因素之间是相互关联的。总体来看,地层损害是影响水平井产能的主要因素。

 
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