• 假如外表设置脊索那么最佳使裁剪索或脊索重合,使索不至于打乱图画安置

    If the film surface is provided with a press cable or notochord, then make the best cut and sew with pressure cable or notochord coincide, the cable without interrupting the weld picture placement.

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  • 合理人工裂造规模控制在井距的一半以内

    Rational fracturing scale of artificial fracturing shall be controlled within the half of well spacing.

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  • 高耸建筑水平竖向钢筋的水平裂以及溃破坏等震害现象,可以归结地震竖向分量作用

    The horizontal annular and vertical crack of the high buildings, along with the horizontal crack and the crush of RC column can be due to the vertical seismic component action.

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  • 本文给出一种新的水力温度计算公式

    In this paper, a new formula for calculating the temperature in hydraulic fractures is given.

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  • 水力所形成的垂直高度对于计算重要作用。

    Vertical fracture height from hydraulic fracturing is very important for calculating fracture length and width.

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  • 制约长延伸重要因素之一,滤失控制是穿透工艺成功与否关键所在。

    Acid filtration is one of the major factors that restrict the growth of acid etched fractures and filtration control is the key to deep penetrating acid fracturing technology.

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  • 目的研究一种直接求取水力支撑综合方法

    PurposeTo study an integrated method to calculate length, width is and height of the propped fracture directly.

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  • 油井射孔天然产状、发育程度水平应力大小直接影响着裂施工

    Strike - dip, development degree and horizontal stress of the natural fracture in oil well perforated intervals affects operated fracturing pressure directly.

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  • 结果表明输出功率频率辅助增大增加,随着切割速度增加而减小

    The results show that the kerf width increases with the increase of laser power, pulse frequency, pulse width and assist gas pressure, but decreases with the increase of cutting speed.

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  • 前人水平裂产率比模拟实验曲线进行比较,提出本文方法的适用范围。

    A comparison with the electric analog modeling curves gives the conditions under which the presented formulas in this paper can be applied.

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  • 液配制简单,不需要杀菌剂破胶剂,具有流变性、造能力强、地层伤害、使用方便优点。

    Other advantages of it are good rheological property, strong fracture making ability and sand carrying capacity, and little damage to formation, etc.

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  • 天然发育特征、现今应力场特征不但决定水力分布特征,而且直接影响裂施工;

    The influence of the natural fracture and the nowaday earth stress field on the hydraulic fractures was analyzed emphatically.

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  • 数值模拟结果表明水力技术达到使地带充分目的

    The results of numeral simulation show the hydraulic cutting techniques can reach the purpose to unload the zones near the well bore sufficiently.

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  • 配套应用控制高等技术优化了水力工艺。

    Hydraulic fracturing technology is optimized using the technique of filtration reducing by fine pottery clays and fracture height control.

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  • 通过室内研究现场试验采用”控、高砂比粒控等配套技术,有效控制了微裂过程中的影响,提高了成功率

    After office study and field experiment, using suspend plug and high sand concentration with little ceramsite to control fracture, advanced fracturing success ratio.

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  • 油藏存在天然开启注水诱导开启的天然闭合多种

    There exist many fractures in a low permeability reservoir, such as fracturing fractures, naturally opened fractures, water-injection induced fractures and opening naturally sealed fractures.

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  • 海拉尔油田布达不易控制成功率

    There are some problems for fracturing, such as narrow induced fracture, uncontrollable fracture height and low success rate in Budate Group reservoir of Hailaer Oilfield.

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  • 现场实验表明,清洁具有性能施工,携砂能力,可有效地控制高。

    Field using verified that the fluid possesses good gel breaking property, the operating friction value is low, the proppant carrying ability is strong and fracture length is in control.

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  • 采用速度与滤失时间平方根成反比的经典滤失理论计算水平影响液滤失速度带来较大误差

    Classic filtration theory will cause bigger errors to calculate filtration rate of fracturing fluid influenced by net pressure of horizontal fractures.

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  • 水力过程流体的流动特征延伸形态具有很大影响

    During the process, the flow character within the fracture greatly influenced on the fracture prolongation and shapes.

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  • 展开尺寸计算裁剪焊接焊接、检漏等都一定技术难度

    Size is expected to start from the calculation, cutting, straight seam welding, the whole round, press-fit, girth welding, leak detection, have a certain degree of technical difficulty.

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  • 防砂中受外挤力作用进行了分析,计算井底(包括流体流经砾石层和割衬管降) ,建立了衬管割参数与割条幅弯曲强度刚度之间的关系式。

    The pressure of slotted pipes in a sandy well was analyzed. The bottom hole pressure was computed. A model for computing the bending strength and stiffness of a slotted pipe was proposed.

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  • 岩石破坏基本机制入手研究重复裂造机理。

    The fracture initiation mechanism of refracturing was investigated by discussing rock failures.

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  • 监测资料分析结果表明:导致面板水平施工破损直接原因面板水平应力过大结构上的缺陷

    The results of monitoring data show that the excess stress and structural defects are the direct causes for the crushing and breaking of horizontal construction joints.

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  • 本文研究成果完善洞型储层改造中起裂机理的基础理论,对酸设计现场施工具有较好的指导意义。

    Through the research, this paper will enrich the theory of acid fracturing, guiding the design and exploring the fractured-vuggy carbonate resource.

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  • 黑色硬件提手皮革线装饰。

    Black lacquered finish hardware. Two rolled leather handles with large leather stitching on seam.

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  • 附带亲水层没有附带亲水层片管换热器析湿工况下的空气特性进行了实验研究,分析了亲水层对空气侧换热和降特性的影响。

    Air side heat transfer and fluid flow characteristics of slotted fin surfaces with arc-type and X-type strip arrangement in a pressurizing air cooler were studied by visualization experiments.

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  • 附带亲水层没有附带亲水层片管换热器析湿工况下的空气特性进行了实验研究,分析了亲水层对空气侧换热和降特性的影响。

    Air side heat transfer and fluid flow characteristics of slotted fin surfaces with arc-type and X-type strip arrangement in a pressurizing air cooler were studied by visualization experiments.

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