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宽裂缝
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  “宽裂缝”译为未确定词的双语例句
     This paper has developed mathematical models of the range of temperature, pressure, flow rate and foam quality of foam acid flowing in dynamic state fracture, and presented the iterative computing, method to determine the distribution of the four parameters in widened fractures.
     本文建立了动态裂缝中泡沫酸的温度、压力、流速及泡沫质量分布的计算模型,提出了变缝宽裂缝中确定此四参数分布的迭代计算方法。
短句来源
     the damage of fractured carbonate reservoirs mainly composed of limestone is due to solid invasion and solid plugging;
     较宽裂缝和灰岩为主的碳酸盐岩的损害因素也主要是固相侵入与堵塞 ;
短句来源
     The speed of flow relates to angle and width of fissure. The speed of flow in the wide fissure that has acute angle with pressure grad is higher than that of narrow fissure with high angle with pressure grad.
     流体速率不仅与压力相关,而且与裂缝发育的角度和宽度有关,与压力梯度夹角较小的宽裂缝内的流体速率较高,反之较低。
短句来源
  相似匹配句对
     crevices repairation.
     裂缝修理;
短句来源
     (weak)in width.
     (弱)。
短句来源
     Ma Qikuan and His Painting
     其其画
短句来源
     APPLICATION OF AVA FRACTURE DETECTION TECHNIQUE
     方位AVA裂缝检测技术应用研究
短句来源
     Prevention measures of wide cracks in cold rolled and twisted bar reinforced concrete floors
     冷轧扭钢筋混凝土楼板裂缝防治措施
短句来源
查询“宽裂缝”译词为用户自定义的双语例句

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  macro cracks
The directions of the yield lines and shear macro cracks do not coincide.
      
The directions of the yield lines and shear macro cracks do not coincide.
      
Electrode 5 as mentioned earlier, showed extensive micro and macro cracks.
      
The growth of the microcracks to macro cracks of about 1000 lm is typical of small crack growth and was markedly faster than for long-crack growth.
      
  wide crack
These films readily crack, yet are always thick enough to produce a sufficiently wide crack to render crack propagation easy.
      


This paper has developed mathematical models of the range of temperature, pressure, flow rate and foam quality of foam acid flowing in dynamic state fracture, and presented the iterative computing, method to determine the distribution of the four parameters in widened fractures. The calculated results show that the effect of fracture temperature range must teken into account in the design calculation of foam acid fracturing.

本文建立了动态裂缝中泡沫酸的温度、压力、流速及泡沫质量分布的计算模型,提出了变缝宽裂缝中确定此四参数分布的迭代计算方法。最后的计算结果表明,在泡沫酸酸压设计计算中必须考虑裂缝温度场的影响。

The damage mechanism of reservoirs, the temperature sensitivity of deep wells and deep water wells and the development trend of completion fluid technology, aciding technology and underbalanced drilling technology are summarized in the paper. On the basis of investigation, the authors hold that formation damage of the horizontal drilling and extended reach drilling is mainly due to fines migration, solids plugging; the damage of fractured carbonate reservoirs mainly composed of limestone is due to solid invasion...

The damage mechanism of reservoirs, the temperature sensitivity of deep wells and deep water wells and the development trend of completion fluid technology, aciding technology and underbalanced drilling technology are summarized in the paper. On the basis of investigation, the authors hold that formation damage of the horizontal drilling and extended reach drilling is mainly due to fines migration, solids plugging; the damage of fractured carbonate reservoirs mainly composed of limestone is due to solid invasion and solid plugging; the permeability of tight gas reservoirs is seriously reduced because of the aqueous phase trapping (water and oil), and the damage extent is closely related to permeability of the reservoir, interface tension, surface wettability and initial water saturation. The temperature sensitivity of deep wells and deep water wells will change the minerals into the water sensitive, cause mineral dissolution and precipitation, wettability reversal and emulsion plugging. A new treatment technology with well completion fluids suitable for filter cake removal and wellbore cleanup—combining the prevention with the treatment is presented. After treatment, the permeability of reservoirs is 40% higher than the initial one. Acidizing is one of most important methods for removing damaged reservoirs duo to its low cost and good results. The prescription suitable for treating various sandstones and carbonate rock is presented. And finally the authors state that the kernel of underbalanced drilling is the selection of appropriate drilling and completion fluids and negative well bore pressure. The experiences that 100 under balanced wells of Canada increase production at the later stage of oilfield development are given.

对油气层损害机理、深井及深水域井的温度敏感性、完井液新技术、解除储集层损害酸化途径及有效提高油气井产量的欠平衡钻井技术等的发展趋势进行综述。水平井、大位移井的主要损害来源是微粒运移、固相堵塞 ;较宽裂缝和灰岩为主的碳酸盐岩的损害因素也主要是固相侵入与堵塞 ;致密天然气层主要因液相 (水与原油 )聚集而损害渗透率 ,损害程度与储集层渗透率、界面张力、表面润湿性、初始含水饱和度的关系极为密切 ;深井和深水域井温度敏感性会导致矿物向水敏性转化、矿物溶解沉淀、润湿性转化及乳化堵塞。介绍了滤饼清除和井眼溶解清理的完井液新技术 ,通过清理将预防与治理相结合 ,储集层渗透率可比原始渗透率提高 40 %。酸化技术成本低、效果好 ,介绍了各类砂岩及碳酸盐岩相应的配方。欠平衡钻井核心技术是选用合理的井眼流体和恰当的负压差 ,介绍了加拿大 1 0 0口欠平衡钻井在后期提高产量的经验。图 1表 2参 47

During the process of sandout?fracturing, once the sand bridge is formed at fracture periphery, the fracture will stop enlarging in periphery normal direction (frac length and frac height direction) while frac width will increase quickly, and "short?wide fracture" will be formed in relative sense. The controlling action of sandout belt at fracture periphery on frac length and frac height is discussed from the point of frac generation mechanism of rock, hydromechanics and percolation flow mechanics. And the problem...

During the process of sandout?fracturing, once the sand bridge is formed at fracture periphery, the fracture will stop enlarging in periphery normal direction (frac length and frac height direction) while frac width will increase quickly, and "short?wide fracture" will be formed in relative sense. The controlling action of sandout belt at fracture periphery on frac length and frac height is discussed from the point of frac generation mechanism of rock, hydromechanics and percolation flow mechanics. And the problem of "sandout quality" is analyzed briefly.

在脱砂压裂过程中 ,裂缝周边一旦形成砂桥 ,裂缝会在周边法向 (缝长和缝高方向 )停止增长 ,而缝宽则以较快的速度增长并形成相对意义上的“短宽裂缝”。从岩石造缝机理、流体力学和渗流力学的角度探讨了裂缝周边脱砂带对缝长和缝高的控制作用 ,并对“脱砂质量”问题作了简要分析

 
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