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折算压力
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  reduced pressure
     This paper researched the hydrodynamic pressure and its change characteristics in the space by means of the ion concentration of formation water, reduced pressure and its change characteristics in the plane,The result indicates that from north-east to south-west,the hydrodynamic conditions are better and better in Binbei region, the areas near the Binbei railroad are the favorable area for oil and gas to accumulate.
     利用水化学离子浓度,折算压力大小及其平面变化对滨北地区水动力强弱及其空间变化特征进行了研究,结果表明滨北地区水动力条件变化趋势为由东北向西南逐渐变弱的特点,由此推断滨州线附近应是滨北地区油气保存的有利地区。
短句来源
     The relative error of reduced pressure is less than 2% in the application of the method to gas field.
     折算压力平均相对误差小于2%。
短句来源
     For CVFE grid,reduced pressure gradient is approximated using finite difference and finite element methods simultaneously,and a new upstream weighting approach is proposed based on the signal of flow term,which is more reasonable. The final discrete form of CVFE grid is different from that of PEBI grid and finite difference method.
     CVFE网格是非正交网格 ,本文混合运用有限差分和有限元方法计算折算压力梯度 ,得到与有限差分和 PEBI网格不同的离散形式 ,提出了根据流量符号判定上游的方法 ,使模型更为合理。
短句来源
  converting pressure
     This paper,aiming at limitation of conventional method of measuring the bottom pressure of oil wells and on the basis of converting pressure through testing liquid level by echo sounder ,considered the dissolubility of gas and compressibility of oil and gas and water,adopted n section pattern and Gilbert and Podio correlation models of matching liquid distrbuting phase in pipe lines,and calculated the bottom pressure of oil wells applying the calculus.
     针对传统的测量抽油井井底压力方法的局限性 ,在用回声仪测液面折算压力的基础上 ,考虑了气体在油水中相溶解性和油气水的压缩性 ,采用与管柱中的流体分布相吻合的n段法计算模式 ,以及Gilbert相关模型和Podio相关模型 ,应用微积分方法计算油井的井底压力。
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  “折算压力”译为未确定词的双语例句
     5.Research on gas-water contact. By integrative use of static and dynamic data of gas reservoir, the three methods such as well logging, core and conversion pressure coefficient are used to gas-water contact of the gas reservoir.
     5、开展了气水界面的研究.综合利用气藏静、动态资料,采用三种方法,即测井法、岩心法、折算压力系数等三种方法确定了该气藏的气水界面。
短句来源
     The respects include the following:conversion original pressure of the formation is almost constant everywhere;
     该方法考虑的 6个方面为 :地层各处原始折算压力近似相等 ;
短句来源
     Through study of gas pressure in vertical well,the bottom pressure data is corrected in this paper.
     通过对气相垂直井筒压力研究 ,计算出井底折算压力
短句来源
     By introducing reduced reservoir pressure, the preliminary working system of the oil well can be determined based on the close relationship between the restoring speed of the static liquid surface of the well and its productivity.
     利用油井静液面恢复快慢程度与其产能的密切关系,引入油层折算压力,初步确立该油井的工作制度.
短句来源
  相似匹配句对
     pressure;
     压力;
短句来源
     The relative error of reduced pressure is less than 2% in the application of the method to gas field.
     折算压力平均相对误差小于2%。
短句来源
     Peer Pressure
     同龄压力
短句来源
     Analysis and Application of Formation Pressure Reducing Method in Deep Gas Well
     深层气井地层压力折算方法分析及应用
短句来源
     EQUIVALENT DAMAGE CONVERSION
     当量损伤折算
短句来源
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  reduced pressure
The dependences of the capillary pressure on the thickness upon the creation of reduced pressure in a film (capillary pressure isotherms) are also given.
      
The method consists of integration of the Reynolds equation over the region occupied by the film, using the boundary differential equation for the integral of the reduced pressure.
      
To determine the thickness of the film it is sufficient to know only the integral of the reduced pressure along the line of a constant gap.
      
The results are presented of the numerical investigation of the interaction of a supersonic axisymmetrical jet of a nonviscous and nonthermally conductive gas, flowing from a conical nozzle into a space with reduced pressure, with a plane obstacle.
      
Asymptotic solutions are found to problems of the dynamics of films in communication with a region of reduced pressure.
      
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This paper discusses the calculating method of flowing pressure and average reservoir pressure of gas well. Wellhead pressure is measured by means of changing the production rate of gas well (or changing production system of gas well). Cullender and Smith models are selected to calculate the Bottomhole pressure and Ressell two-rate testing well analyzing method is selected to calculate the average reservoir pressure of gas well. Using this method,the caculation result is more accurate. The relative error of...

This paper discusses the calculating method of flowing pressure and average reservoir pressure of gas well. Wellhead pressure is measured by means of changing the production rate of gas well (or changing production system of gas well). Cullender and Smith models are selected to calculate the Bottomhole pressure and Ressell two-rate testing well analyzing method is selected to calculate the average reservoir pressure of gas well. Using this method,the caculation result is more accurate. The relative error of reduced pressure is less than 2% in the application of the method to gas field.

本文讨论了通过改变气井产量(或称气井工作制度)测取井口压力资料,利用Cullender和Smith计算模型计算井底压力,选用Russell两产量试井分析方法进行资料整理,确定气层平均压力的方法。通过现场测试和编程计算证实是一种比较精确的计算方法。折算压力平均相对误差小于2%。

According to the discrete material balance equation of control volume,a new numerical scheme based on PEBI grid and CVFE grid is provided,where absolute permeability is in tensor form. Because of PEBI grid's orthogonalization,its discrete equation is similar with that of finite difference method. The mobility coefficient and interface permeability can be calculated as same as finite difference method. For CVFE grid,reduced pressure gradient is approximated using finite difference and finite element methods...

According to the discrete material balance equation of control volume,a new numerical scheme based on PEBI grid and CVFE grid is provided,where absolute permeability is in tensor form. Because of PEBI grid's orthogonalization,its discrete equation is similar with that of finite difference method. The mobility coefficient and interface permeability can be calculated as same as finite difference method. For CVFE grid,reduced pressure gradient is approximated using finite difference and finite element methods simultaneously,and a new upstream weighting approach is proposed based on the signal of flow term,which is more reasonable. The final discrete form of CVFE grid is different from that of PEBI grid and finite difference method. Numerical model tests show that the method proposed by this paper is as accurate as nine point finite difference when permeability tensor is in diagonal form, and it can simulate more complicated cases when permeability is in full tensor form. Its application prospect is more extensive in fine detailed reservoir simulation.

根据所建立的单个控制体离散形式的物质平衡方程 ,基于 PEBI和 CVFE网格 ,采用任意形式的渗透率张量 ,建立了相应的数值算法。PEBI网格是一种局部正交网格 ,其离散形式与有限差分方法相似 ,流动系数的取值原则和界面渗透率的取法均与有限差分相同。 CVFE网格是非正交网格 ,本文混合运用有限差分和有限元方法计算折算压力梯度 ,得到与有限差分和 PEBI网格不同的离散形式 ,提出了根据流量符号判定上游的方法 ,使模型更为合理。模型计算表明 ,对于形式简单的对角渗透率张量 ,本文方法可以与九点差分格式相比 ,精度是可靠的 ,并且该方法还能模拟完全各向异性渗透率张量 ,对于精细油藏数值模拟 ,其应用范围将更为广泛

In well completing test for gas wells of Feixianguan Group with high sulphur content,the well test interpretation can't be conducted until the pressure data are calculated with gas column calculating formula because the distance between the pressure testing point and the central part of the formation is too big.Based on the quality,momentum,and energy conservation laws and the state equation,considering the momentum loss of gas column flowing and the complicated thermal conduction mechanism in the bore hole...

In well completing test for gas wells of Feixianguan Group with high sulphur content,the well test interpretation can't be conducted until the pressure data are calculated with gas column calculating formula because the distance between the pressure testing point and the central part of the formation is too big.Based on the quality,momentum,and energy conservation laws and the state equation,considering the momentum loss of gas column flowing and the complicated thermal conduction mechanism in the bore hole and formation,the pressure and temperature calculating method is derived for single phase gas flow in different positions of the bore hole.Taking Well Po 2 as an example,with MDT technology,the calculated pressures are verified and analyzed.The results indicate that applying the pressure calculating method provided by the paper,the accuracy of the pressure data can be reached completely.With MDT pressure data,the reservoir parameters,such as formation pressure,etc.,can be determined directly and reliable before well completing test.The method can be alao used for production performance monitoring of Feixianguan soar gas reservoir to control elemental sulphur depositing in bottom hole and bore hole.So,the method is very useful.

川东北飞仙关组高含硫气藏气井在完井测试过程中 ,压力测点位置与产层中部的距离较大 ,需将压力数据用气柱压力计算公式折算后再进行试井分析解释。文章以质量、动量和能量三大守恒方程和状态方程为基础 ,考虑了流动气柱的动能损失以及井筒和地层中复杂的传热机理 ,推导出计算单相气流在井筒不同部位压力和温度的方法。以坡 2井为例 ,应用目前最新的模块化动态地层测试器MDT地层测试技术 ,对折算的压力进行了验证和对比分析。结果表明 ,应用文中的压力计算方法 ,完全可以满足解释的压力数据精度。另外 ,在没有进行完井测试前利用MDT测压资料确定地层压力等储层参数是较为直接和可靠的方法。同时此法对川东北飞仙关组高含硫气藏的开发动态监测以控制元素硫在井底和井筒的沉积具有十分重要的指导意义

 
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