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the drilling fluid     
相关语句
  钻井液
     The drilling fluid density should be controlled at 1.64 g/cm3 to 1.68 g/cm3 and Cl- content was controlled at 16.4×104 mg/L to 17.8×104 mg/L.
     控制钻井液密度为1.64~1.68g/cm3和Cl-含量为16.4×104~17.8×104mg/L。
短句来源
     Oil to water ratio is 6/4. The drilling fluid density is 0. 89 g/cm3 in 60℃and 0. 93 g/cm3 in 150℃ and 40 MPa, which can meet the requirements of underbalanced drilling.
     油水比为6:4; 该钻井液密度在60℃下为0.89 g/cm3,在40MPa、150℃下为0.93 g/cm3,基本满足欠平衡钻井要求。
短句来源
     Effects of dose increase of silicate, KCl, polymer and pH value undulation on the drilling fluid rheological property were studied, then a reasonable formulation was proposed, which includes 5%clay,5%silicate,1%MV-CMC,2%SMP,3%KCl, and 0.5%additive.
     研究了硅酸盐与无机盐KCl的加量、聚合物及pH值对钻井液性能的影响,得出了合理的钻井液配方:5%膨润土+5%硅酸钠+1%MV- CMC+2%SMP+3%KCl+0.5%其它添加剂。
短句来源
     The drilling fluid density is controlled within 1. 35 g/cm3 to 1. 51 g/cm3, and this can meet the requirements of under-balanced drilling.
     钻井液密度始终在1.35-1.51 g/cm3范围内,满足了欠平衡钻井对密度的要求。
短句来源
     Reservoir protecting efficiency of the drilling fluid and its inhibition, salt resistance and temperature tolerance were evaluated based on dynamic filter test and permeability recovery test.
     评价了成膜钻井液的抑制性、抗盐性和抗温性能,通过动滤失量试验、渗透率恢复值试验评价了成膜钻井液保护储层效果。
短句来源
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  该钻井液
     Oil to water ratio is 6/4. The drilling fluid density is 0. 89 g/cm3 in 60℃and 0. 93 g/cm3 in 150℃ and 40 MPa, which can meet the requirements of underbalanced drilling.
     油水比为6:4; 该钻井液密度在60℃下为0.89 g/cm3,在40MPa、150℃下为0.93 g/cm3,基本满足欠平衡钻井要求。
短句来源
     The application of the drilling fluid in Wen 72 - 142 Well was introduced with emphasis and the result demonstrated that it had good inhibitory effect, decreased the drilling cost.
     重点介绍了此钻井液在中原油田文72—142等井应用情况,结果表明,该钻井液具有较强的抑制能力,起下钻一次到底,完井电测一次成功,避免替换钻井液,使钻井液成本节约23.3%。
短句来源
     The density of the drilling fluid changes from 0.6 g/cm 3 to 0.95 g/cm 3.The application of the micro*$-foam drilling fluid in Jin*$45*. 15*.
     该钻井液密度在 0 6~ 0 95g/cm3 范围内可调 ,体系稳定性良好。
短句来源
     Satisfactory effects have been obtained when using the drilling fluid in the horizontal well Wei 11-4-A126 in offshore South China Sea and well TK431.
     该钻井液在南海涠11-4-Al2b水平井及新疆TK431井的钻井过程中,都取得了很好的效果。
短句来源
     The technology have applied in 162 wells,the results show that penetration well is 86%,the drilling fluid has good protecting reservoir effect.
     该技术自2002年开始,在二连地区宝力格油田共实施162口井。 采取油层保护措施的井,完善井为86%,说明该钻井液技术在宝力格油田应用效果较好。
短句来源
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  了钻井液
     The geologic conditions in Well Pu 2-Ping 1 and the key technical difficulties are introduced,the technical measures and formula optimization of the drilling fluid are described.
     介绍了濮 2 平 1井的地质简况及钻井液的主要技术难点 ,概述了钻井液技术措施及其配方优选。
短句来源
     (4) Developing the assistant system about drilling fluid design, such as theintroduction of the basic knowledge of the drilling fluid and the calculation duringmaking drilling fluid.
     (4)开发了钻井液设计工艺的其它辅助系统,如钻井液基础知识简介、钻井液配制材料计算等。
短句来源
     The boundary condition of the flow field of filtering device and mathematical model of the cyclone field of the drilling fluid in the device are both established. The radial and tangential and axial motion laws of the drilling fluid are investigated, and the problems of short circuit flow and circulation flow in the dynamic pressure filtering device are analyzed as well.
     根据动压机结构和入流方式的特点,提出了研究动压机内钻井液流场的数学方法,建立了动压机流场的边界条件和动压机钻井液旋流流场数学模型,研究了钻井液径向、切向和轴向运动规律,并分析了动压机内的短路流和循环流的问题。 所得到的有关结论对进一步开发研制应用于生产现场的实际装备将起到积极的指导和促进作用。
短句来源
     The relationships among formation resistivity, flush zone resistivity, invasion diameter and geometrical factors were fitted according to the drilling fluid invasion correction principle based on geometrical factor theory and to the discrete drilling fluid invasion correction charts.
     文章论述了基于几何因子理论的泥浆侵入校正原理,并离散了钻井液侵入校正量版,拟合得到地层电阻率、冲洗带电阻率、侵入直径、几何因子之间的关系。
短句来源
     Matrices are established to evaluate the drilling fluid based on the theory of fuzzy mathematics.
     钻井液优劣是一个模糊概念,决定因素很多,传统评价方法难以作出确切的评价。 应用模糊数学基本理论建立了钻井液优劣综合评判矩阵。
短句来源
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  该钻井液体系
     As all kinds of environmental criteria of which arrive at agricultural use pollution criterion,the drilling fluid can be discharged directly and the drilling fluid pollution was controlled from headstream.
     应用该钻井液体系在江苏油田AF地区进行了现场试验,现场应用表明,该钻井液体系防塌性和油层保护效果好,各项环境指标达到农用污染标准,可直接排放,从源头控制了钻井液的污染,可进一步推广应用。
短句来源
     The lab evaluation and field tests show that the drilling fluid system not only has broad-spectrum temporary plugging effect,but also bears the function of reservoir protection,thus increasing daily oil production greatly.
     室内评价和现场应用表明,该钻井液体系不仅实现了对油层的广谱暂堵,而且保护油层效果更佳,可获得更大的日产油量。
短句来源
     The results of in-house test indicate that the drilling fluid is characterized by good rheological property,low filtrate loss,superior collapse-preventing effectiveness,strong seawater and clay resistance and environmentally friendly character.
     室内试验结果表明,该钻井液体系具有较好的抑制性能和流变性,抗海水和劣质土污染的能力较强,环境可接受性好。
短句来源
     The field test showed that the drilling fluid system can meet the requirement of drilling engineering and cutting carrying to assure the borehole quality as well a smooth operation in logging and cementing.
     通过现场试验,该钻井液体系满足了携带岩屑及钻井工程的需要,保证了井身质量和电测及固井的顺利施工。
短句来源
     The results showed that the drilling fluid has properties of high stability, easily preparing in site, good performance, strong resistance to fouling, as well as leak resistance and plugging effect.
     现场应用效果表明 ,该钻井液体系具有稳定性高、现场配制简单、性能优良、抗污染能力强和防漏堵漏效果好等优点。
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  the drilling fluid
Flow-rate changes induce temperature variations in the well and the time from when the flow alters to the subsequent maximum or minimum temperature of the drilling fluid can be used to determine these two formation parameters.
      
The prestress of drillstrings by the gravity and torsion forces, the gyroscopic interaction of rotary and linear motions, and the destabilizing effect of the internal flow of the drilling fluid are taken into account.
      
The drilling fluid containing the forpolymer had an excellent tolerance to salt and high temperature.
      
The colloidal properties of the drilling fluid were investigated in the form of fresh-water or salt-water mud.
      
When a closed loop system is used the drilling fluid is continuously recycled down the hole to remove cuttings to the surface.
      
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After briefly explaining the work of the drilling pump, we made an analysis of the properties, mechanism and the major influencing factors of the seal failure of drilling pumps. In order to prevent the seal from failing we suggested improving the lubricity of the drilling fluid, perfecting the cleaning system, controlling the clearance between the piston and the liner and taking some preventive measures.

本文在简述钻井泵工况条件后,对钻井泵活塞失效特征、机理和主要影响因素进行了分析,并提出了提高泥浆润滑性、完善净化系统、控制缸套活塞间隙、实行预防性保养等意见。

The key technique of using hydroxy-aluminum based collapse-protective drilling fluid is the addition of inhi- bitor. From results of the static and dynamic test in laboratory, it is indicated that T81-35is a good inhibitor for the drilling fluid mentioned above and its performance is better than that of the inhibitor A-130reported in an U. S. patent.

应用羟基铝防塌钻井液的技术关键是要添加缓蚀剂。室内静态、动态试验表明,T81-35缓蚀剂是较好的防塌钻井液缓蚀剂,其效果优于美国专利缓蚀剂A-130。

In this paper, the moving performance of mass particles in Solid-liquid mixture flow of Newtonian and Power Law fluids was experimentally studied on a full scale annular simulator by measuring the movement of a single particle in the mass particles. The effects of solid concentration on the performance of particles moving up in the axial flow and helical flow or settlingdown in static or rotating fluid have been discovered. Consequently, the qusi-empirical equations for the moving up and settling down of particles...

In this paper, the moving performance of mass particles in Solid-liquid mixture flow of Newtonian and Power Law fluids was experimentally studied on a full scale annular simulator by measuring the movement of a single particle in the mass particles. The effects of solid concentration on the performance of particles moving up in the axial flow and helical flow or settlingdown in static or rotating fluid have been discovered. Consequently, the qusi-empirical equations for the moving up and settling down of particles in an-nulus have been obtained and used to modify the model developed by Sze-Foo Chien. The new equations for calculating the well bottom pressure produced by column of the drilling fluid, annular pressure lose and solid concentration are presented in this paper. The basis for determining the reasonable annular velocity in jet-drilling is also discussed.

本文运用测量群体中单个颗粒的运动进而揭示群体运动规律的方法,在垂直、同心的全尺寸环空实验架上完成了群体颗粒在牛顿流体和幂律流体中运动规律的研究,得到了固相浓度对颗粒在轴向流及螺旋流流场中上返以及在静止或旋转流场中下沉速度的影响规律,从而分别得出了群体颗粒在牛顿流体或幂律流体的轴向流和螺旋流中上返及在静止或旋转流场中下沉的半经验公式。用所得的半经验公式校正了钱思复计算井底压力的模式,给出了由泥浆液柱压力、环空循环压耗以及环空固相浓度产生的井底压力计算公式。并对确定喷射钻井中环空合理返速的依据提出了一些新的看法。

 
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