水平段

水平段大段取心钻具力学分析与设计

Mechanical Analysis and Design of Coring BHA in Long Horizontal Segment

颈内动脉水平段距鼓膜张肌平均为2.2mm，距脑膜中动脉和下颌神经分别平均为6.8mm和6.9mm。

The tensor tympani muscle was 2.2 mm in average to the horizontal segment of the petrosal portion of internal carotid . The average distance between the horizontal segment and middle meningeal artery was 6.8 mm , and 6.9 mm to mandibular nerve .

选择水平段A、B点位置；确定了中心拍频的最佳选择；

Location optimization of the A and B points ; Choice of central beat frequency is studied .

结论大脑前动脉水平段（A1段）发育不全与前交通动脉瘤有较高的相关性；

Conclusion There is a close relationship between hypoplasia of A 1 segments and AcoA aneurysms .

目的探讨大脑中动脉（middlecerebralartery，MCA）水平段（M1）钙化的量化指标与血流动力学的关系。

Objective To discuss the relationships between quantization indexes of middle cerebral artery ( MCA ) level segment ( M1 ) calcification and hemodynamic features .

VAI大板坯连铸机水平段频繁损坏分析及改造措施

The analysis and Countermeasures of frequent damage of VAI slab caster horizontal segments

结论：面神经水平段起始部，GG，面神经迷路段三者在外半规管层面内呈倒“V”字型排列；

Conclusions : The labyrinthine facial nerve , GG and the first part of horizontal facial nerve present a reverse V-shape in the layer of lateral semicircular canal .

ICA水平段与ICA膝部和内耳道内侧缘连线的夹角为67.1°±4.3°。

The angle between the horizontal ICA and the line which connects the ICA genu to the medial lip of the internal acoustic meatus is 67.1 ± 4.3 ° .

水平段钻进中，常使用油基钻井液和PDC钻头，在保持水平井眼稳定性的同时，提高机械钻速；

During the drilling of the horizontal section , oil-based drilling fluid and PDC bit are usually used for holding the horizontal hole stability and enhancing rate of penetration .

为了深入认识螺旋管内多相流相分离现象，应用粒子图象测速仪（PIV），对组合弯管内气水砂三相流底部水平段和上升段中液膜区的流场进行了测量。

Liquid film flow field in gas-liquid-solid three phase flow through a curved pipe were measured by Particle Image Velocimetry ( PIV ) for a better understanding of the phase separation phenomena .

XC的长链状双螺旋结构使其具有减阻作用，使钻井液在水平段始终处于紊流状态，阻止了水平段岩屑床的形成；

Because of long chain couple helix composition of XC , XC can drag reduction , make drilling fluid keep disturbed flow condition in horizontal section , and stop cutting bed formation .

M38井在完井后发现其水平段异常测井响应特征，随后以测井资料为主要依据展开了一系列分析，通过测井对比及岩相分析落实了异常地层的层位归位问题。

The abnormal log responses to the beds were found after completion of Well M38.The stratigraphic horizons of abnormal intervals have been determined from log correlation and petrographical analyses .

该井水平段采用φ244.5mm套管完井，射孔后，下入整体式金属毡滤砂管、扶正器、封隔器构成的防砂管柱进行防砂，采用高真空隔热管注汽。

φ 244 . 5 mm OD casing is run into the horizontal interval in the well . After perforation , integrated sand control string ( consisting of screen pipes , stabilizers and packers ) is run into the well . Steam is injected through highly-vacuum insulating pipe .

大脑前动脉水平段优势血流与前交通动脉瘤的关系

The Relation Between the Dominant Blood Flow of Horizontal Segment of

国内水平段最长的水平井钻井液技术

Mud Technology for Horizontal Well with the Longest Extended Horizontal Section

三维奇性单元3.水平段。

Three-Dimensional Singular Element for Analysis of Crack 3 , horizontal section .

蛇曲井水平段两相流压力梯度模型

Pressure gradient model of two-phase flow in horizontal section of snake-bending wells

结论：面神经水平段大致平行于颞骨岩部上嵴，气化的乳突其颞骨岩部后骨板与外耳道后壁之间距离较大；

Conclusions : Petrous ridge is parallel with horizontal segment of facial nerve .

面神经水平段梳理术治疗半面痉挛

Transtympanic splitting of facial nerve for treating hemifacial spasm

智能扇形段电气控制系统具有严密的控制逻辑及可靠的控制精度，通过对水平段辊缝的实时动态控制，可有效提高扇形段辊缝的控制精度，提高了铸坯质量。

Real-time and dynamic control of gap for horizontal segments improves the slabs quality .

冻胶暂堵剂在建平2井水平段的应用及思考

Application and Consideration of Temporary Plugging Gel Agent on Lateral Section of Well Jianping-2

结果和结论：依匙突可寻找面神经水平段；

Results and conclusion : According to the CP , the HFC could be found .

脱硫烟道水平段的改造方案

Renovation of Horizontal Section in Desulphurization Flue

水平段均匀动用技术可提高水平井动用程度；

The technique of horizontal section uniformly producing can improve produced degree of the horizontal wells ;

大脑前动脉和中动脉水平段的立体定位及其临床意义

Three-dimensional orientation of the horizontal parts of anterior and middle cerebral arteries and its clinical significance

垂直管流中的气液两相流压力计算当水平段出现多相流时会有显著压降。

The calculation on flow pressure of the two-phase There are larger pressure drop in multiphase flow .

水平段。

3 , horizontal section .

但是产能的增加与水平段长度的延伸并非线性关系。

Generally , the longer the horizontal interval of the gas well , the higher the productivity ;

环中脑后膜：位于中脑被盖部的后外侧，可分为水平段与升段。

The posterior membrane is surrounding the midbrain tegmentum and can be divided into horizontal and ascending parts .

研究表明：底部水平段流动主流速度分布比较均匀，颗粒跟随流体运动；

The results show that the axial velocity is uniform and the secondary flow is negligible in horizontal film .