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driving pressure
相关语句
  启动压力
    Explore of Driving Pressure Using IPR Method.
    IPR方法确定启动压力的探索
短句来源
    According to this IPR equation, the driving pressure can be determined very quickly by using sufficient production well test data.
    根据所建立的IPR方程 ,探索了利用多个生产数据或试井数据快速确定启动压力的工程应用。
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  driving pressure
The model indicates that the regional principal stress difference was less than 0.05 times the driving pressure in the West Peak intrusion.
      
Then the equation of motion are established for an arbitrary time-dependent driving pressure.
      
In side-nozzle injection, penetration is found to increase with jet force number,N, given by the product of the gas driving pressure and the nozzle diameter.
      
Among the effects evaluated were those due to lance design, nozzle dimensions, gas driving pressure, and liquid density.
      
The thermodynamic driving pressure is calculated assuming paraequilibrium conditions, and the solute drag theory of Purdy and Brechet has been modified to remove the artifact of residual solute drag at zero interface velocity.
      
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Our experience gained in deep hole (over 800m)drilling using wire-line coring tool with an efficiency of a footage 778, 94-813 m per month are summed up forom following technical measures, including: 1.to protect the hole wall by using ahigh-grade mud fluid, controlling the driving pressure in the hole and reducing the number of times for lifting and lowering the drill rod, in order to achieve bare hole drilling; 2.to reduce the pumping pressure by enlarging the water passage clearence between the...

Our experience gained in deep hole (over 800m)drilling using wire-line coring tool with an efficiency of a footage 778, 94-813 m per month are summed up forom following technical measures, including: 1.to protect the hole wall by using ahigh-grade mud fluid, controlling the driving pressure in the hole and reducing the number of times for lifting and lowering the drill rod, in order to achieve bare hole drilling; 2.to reduce the pumping pressure by enlarging the water passage clearence between the tool and the hole wall, reducing the non-solid content of the mud fluid controlling the pumping capacity and the rotational speed; 3.to get a high efficiency by using high quality drilling bits and tools and adopting technological parametres reasonablely variable with the change of the hole depth and rock formations; 4.to increase the footage drilled per a single run and prolong the time interval between the lifting and low ering the drilling rod.

介绍了用绳索取心技术钻进中深孔的经验:①通过使用优质泥浆、控制孔内激动压力,减少提钻次数,以稳定孔壁,实现深井裸眼钻进;②增大钻具与孔壁间的通水闻隙,减少泥浆固相含量,控制泵量与转速,以降低泵压;③选用优质钻头,钻具,根据孔深、岩性合理改变工艺参教,以获得高时效;加大回次进尺和提钻间隔,以减少辅助时间。

This paper studies the porosity,permeability,driving pressure,the average throat ra dius,coefficient of throat deriation and throat pore structures in reference to the mercury injection data from drilling cores of Daqiu structure.These parameters are analyzed in detail and used for the classification and evaluation of reservior,and determination of production aquifer.The result of this research is of certain significance in directing the further development of Daqiu structure.

本文根据在大丘构造上所钻2口井的岩芯压汞资料,研究了该构造储层的孔隙度、渗透率等物性参数和排驱压力、主要流动喉道半径平均值、喉道偏离系数、喉道结构系数等表征孔喉微观结构的特征参数,并利用这些参数对储层进行了分类评价,对确定大丘构造上的生产层位,进行开发具有一定的指导意义。

By the use of logging,coring,production test and concerning geology data to match,fit and extract parameters,the eigenvalue as well as its accuracy and distinguishability were statistically analyzed,and the formation lithology,physical properties,oil_bearing property and cap quality were evaluated.A cording to the characteristics of Donghe sandstone in the Silurian,Devonian and Carboniferous formations in Tazhong Oilfield,the parameters,standards and weight coefficients for fine evaluation about reservoir_cap...

By the use of logging,coring,production test and concerning geology data to match,fit and extract parameters,the eigenvalue as well as its accuracy and distinguishability were statistically analyzed,and the formation lithology,physical properties,oil_bearing property and cap quality were evaluated.A cording to the characteristics of Donghe sandstone in the Silurian,Devonian and Carboniferous formations in Tazhong Oilfield,the parameters,standards and weight coefficients for fine evaluation about reservoir_cap combination are presented on the basis of the gray system.A method for the fine evaluation and the handling examples were given.In accordance to the integrated interpretation results of some oilfields,such as Tarim,Liaohe,north China,Er_lian,Yan_chang,the reservoir_cap strata parameters,driving pressure,breaking pressure in main intended zones were calculated.Meanwhile,the formation lithology,physical properties,oil_bearing property and cap quality were analyzed,and the relationship between reservoir strata and cap strata is interpreted.The results may be the basis for prospecting various reservoirs.

利用灰色系统理论研究测井、钻井取心、试油及有关地质资料 ,通过匹配、拟合和提取参数 ,以统计分析特征值及其准确率、分辨率研究精细划分地层岩性、物性、含油性和盖层质量。以塔中志留、泥盆系及石炭系东河砂岩资料为基础 ,给出了灰色系统储盖组合精细评价参数、标准和权系数 ,分析了储、盖层精细评价的处理方法和应用实例。对塔里木、辽河、华北、二连、延长等油田储、盖层的精细评价和综合解释 ,计算了主要目的层段储、盖层参数、排驱压力或突破压力 ,分析了岩性、物性、含油性及盖层质量类别、等级 ,以及储层、盖层的搭配关系和油、气、水层解释 ,为不同类型油气藏进一步勘探开发提供了相应的地质依据。

 
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