On the interface where there are non-horizontal fractures, reflection coefficient of P-P wave has more extrema to show complexity and to fail to directly indicate fracture strike.
在由非水平裂隙构成的界面上，P-P波反射系数会出现更多的极值而变得较为复杂，且不能直接指示裂隙走向。
The influences given by horizontal fractures with different length and width and the different rate of fracture conductivity on the transient pressure are compared through calculation.
通过计算比较了不同长宽比的水平裂缝对瞬态压力的影响，比较不同裂缝传导率对瞬态压力的影响。
Hence, it is a very important problem to perform well test, evaluate the deliverability of the fractured horizontal well, and optimize the fracture parameters.
因此，对水平井压裂后的试井和产能评价，以及压裂水平井的裂缝参数优化是一个十分重要的问题。
Objective To evaluated the therapeutic effect of skin tension belt under arthroscope in treatment of patella horizontal maxillary fracture.
目的探索微创关节镜下经皮张力带治疗髌骨水平骨折的方法和疗效。
The initial fracturing pressure and initial fracture configuration can be affected and controlled by a change of the orientation of the horizontal hole.
通过改变水平段取向可以影响初破裂压力和控制初裂缝形态。
Strike - dip, development degree and horizontal stress of the natural fracture in oil well perforated intervals affects operated fracturing pressure directly.
油井射孔段天然缝产状、发育程度、水平应力大小直接影响着压裂施工压力。
According to many affection factors such as fractures space and number, etc, the bottom-hole pressure and fracture flow rate distribution of horizontal well are analyzed in this paper.
针对裂缝间距和裂缝条数等影响因素，对水平井井筒压力和不同裂缝的流量进行了分析。
When the high-angle fracture has the same direction with the maximum horizontal stress, the subsequent horizontal stress will preserve the primary fracture.
当高角度缝的走向与最大水平主应力的方向一致时，后期水平应力对原生裂缝有保持作用；
The horizontal shear may intensify the scale effect. The fracture pressure has little influence on scale effect.
水平剪力明显加剧了尺度效应，裂隙压力对尺度效应的影响甚微。
The horizontal well stress distribution and the rock failure criterion constitute a fracture initiation mathematical model, which was solved by the iteration method.
水平井井筒应力分布和岩石破坏准则构成了水平井压裂裂缝起裂数学模型，利用迭代法对模型进行了求解。
However, there is little related references about segregated acid fracturing in horizontal well in fracture-cavern reservoir, the research is very difficult.
但是缝洞型储层水平井酸压技术研究可借鉴资料少，研究难度大。
However, there is little related references about segregated acid fracturing in horizontal well in fracture-cavern reservoir, the research is very difficult.
但是缝洞型储层水平井酸压技术研究可借鉴资料少，研究难度大。
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