Drilling a horizontal well is more difficult than a vertical well.
水平井比垂直井更难钻。
So horizontal well has relatively high production and productivity ratio.
因此，水平井具有较高的产量和产能比。
In the directional well (horizontal well) drilling meet those difficulties?
在定向井(水平井)钻井中会遇到那些困难？
Therefore, setting the barrier to complete horizontal well butting appears.
从而有了自设障碍来实现水平对接工作。
Geosteering drilling in horizontal well by logging is an important application of LWD.
水平井钻井的地质导向是随钻测井的重要工程应用。
Horizontal well development oilfield is a promising and a possible widely used technology.
水平井开采油气田是一种具有远大发展前景的增产措施。
Study shows that horizontal well is better than vertical well for improving production result.
研究表明：水平井比直井更利于改善和提高油田开采效果。
In a horizontal well, the mud filtrate will sink below the well, leaving hydrocarbons above it.
在水平井中，泥浆滤液会沉到井底，碳氢化合物则在泥浆滤液上面。
It provided the optimum design parameters for gravel packing sand control design in horizontal well.
为水平井砾石充填防砂设计提供了优化设计参数。
For both vertical and horizontal well systems, oil recovery decreases with increasing mobility ratio.
无论垂直井还是水平井系统，采收率都随流度比的增加而减少。
This is the direct reason why the casing into the Horizontal Well is so difficult in the Horizontal Well.
这就是水平井区别于直井，产生套管下入困难的直接原因。
With these data, an anisotropy factor can be calculated, and the horizontal well log curves can be corrected.
由此算出岩石各向异性系数，并对水平井电阻率曲线进行校正。
If there is a shale sandwich near wellbore in horizontal well logging, it is harmful to promote production rate.
水平井射孔井段的井眼附近若有泥质夹层，无疑对水平井提高采收率是很不利的。
A nonlinear optimal control model for designing three-dimensional trajectory of horizontal well was established.
针对三维水平井井眼轨道设计问题，建立了一个非线性最优控制模型。
Horizontal well geology steering is the key technique for directly affecting horizontal well to be succeeded or not.
水平井地质导向是直接关系到水平井成功与否的关键技术。
This new perforation skin model can be used to optimize horizontal well perforation and to maximize well productivity.
利用这种新射孔表皮模型，可以对水平井射孔进行优化使其产能最大化。
Reasonable aperture of sand prevention meshwork is important if liner in sand prevention of horizontal well is adopted.
水平井若采用筛管防砂，合理的防砂网孔径的确定尤为重要。
The result shows that the flux distribution curve of the horizontal well is concave and the change of the pressure is small.
结果表明：水平井水平段的流量分布成明显的“凹”型曲线，其压力分布变化较为平缓。
The calculation program developed in this paper can be directly applied to the engineering design of horizontal well production.
所开发的计算程序具有实用性，可为水平井的设计开采提供一定的参考。
Trial research on quantitative interpretation of horizontal well logging is made and practical interpretation measures are given.
对水平井的定量解释作出一些尝试性的研究，提出具体解释步骤。
Among various factors of affecting development result of the horizontal well, the influence of intrastratal interbed is more important.
在影响水平井开发效果的多种因素中，层内夹层的影响是比较重要的方面。
This paper discusses the prediction of the drill stem torque and bit forward direction in an offshore horizontal well by nonlinear FEM.
探讨了非线性有限元在预测水平井钻进中的钻柱扭矩及钻头前进方向的应用。
At the same time during the drilling of horizontal well various operating parameters should be optimized to ensure the drilling effect.
同时，在水平井钻探实施过程中，还应对各项施工参数进行优化，以确保水平井钻探效果。
The compounding slide steering drilling mode has its specific advantages in trajectory control of directional well and horizontal well.
复合式滑动导向钻井方式在定向井、水平井井眼轨迹控制中有其独特的优点。
Through practice, the features of horizontal well completion was analyzed and discussing the selection method of completions for future.
通过实践，总结分析了水平井完井方法的特点，并对今后水平井完井方法选择进行了探讨。
In horizontal well planing, the horizontal interval is usually initially planed, and then followed the interval above the landing point.
在水平井设计中，通常是先设计出水平段，然后再设计着陆点以上的井段。
Thus, the optimization of fracturing parameters can provide the guidance for the design and construction of a horizontal well fracturing.
裂缝参数的优化研究可为压裂水平井的施工设计提供理论性指导。
High level has also been reached in many aspects including geological design of horizontal well, reservoir engineering study and management.
在水平井的地质设计、油藏工程研究和水平井的管理等方面均具有较高水平。
The paper introduces the measurement and interpretation method of formation pressure in horizontal well by using MDT formation dynamic tester.
文中论述了用mdt模块式地层动态测试器在水平井中的测量及解释方法。
Radial horizontal well is the most complicated one in horizontal well series, it has a major horizontal section and one or several branch sections.
辐向水平井是水平井系列中的高难度井，它除了有一段水平井段外，还有另外一条或多条分支井段。
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