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    Method to Increase the Accuracy of Measuring Lost Circulation Position Using Annular Frictional Drag
    提高环空摩阻法测量井漏位置精度的方法
    deviation angle is 94°, logging interval 613m, well depth and horizontal interval are 3635m and over 400m respectively.
    最大井斜94°,水平井深3635m,水平井段大于400m,测量井段613m。
    So we can conclude that measuring Z directional displacement on derrick top or testing the main elements stress by exerting a small load on derrick hook and using the linear extrapolation method to evaluate the safety resisting capacity of derrick is practicable.
    从而得出在井架大钩较小载荷作用下,通过测量井架顶部z向位移及测试井架主要杆件的应力[1],以线性外推法进行井架安全承载能力评定是可行的。
    Seismic-while-drilling ( SWD) is a downhole seismic technology that uses bit vibrations as a downhole source and surface geophones to measure signals.
    随钻地震(SWD)技术是一种利用钻井过程中钻头破岩时的振动作为震源,用地面检波器排列接收信号进行地震测量的井中地震技术。
    The wellbore curvature of any point on hole trajectory can be calculated exactly,but more concern were focus on average curvature for drilling engineer.
    井眼轨迹上任意点处井眼曲率可以精确计算,但是在现场施工过程中,钻井工程师更为关注的是测量井段内的平均井眼曲率,而不是各离散测点处的井眼曲率。
    Research on Measuring the Diameter of Well by Utilizing Sideways Look Bore Hole TV System
    侧视孔内电视系统测量井径的研究
    Study on Horizontal Displacement of Hoist Tower Based on Precision Leveling Survey
    基于精密水准测量的井塔水平位移研究
    In such areas as southern Kongdian, Huanghua Depression, where sonic log is usually started from a deeper depth, and therefore the normally compacted sections are shorter, the data from several wells can be synthesized to determine the normally compacting trend of mudstone.
    在象黄骅坳陷孔店南区这样的声速测井测量井段比较深,因而正常压实段较短的地区,可以在小范围内综合几口井的资料来确定正常趋势。
    Well response tests, often referred to as "slug test", measure the force-free response of a well-aquifer system to an abruptly induced change of the water level in the well.
    井孔响应试验通常指重锤试验,即测量井中水位突然变化时引起的井孔—含水层系统的强迫—自由振动响应。
    The pressure of well tube with gravel packing around was measured in the model experiment,and the pressures on well tubeipressure distribution patterns,andthe effects of gravel diameter,gravel grades,pecking height and thickness on the pres-sures were analyzed.
    利用模型试验测量井管外围填砾石对井管的压力,初步分析了砾石对井管压力的大小、分布规律以及砾石的粒径、级配、围填高度、厚度对压力大小的影响。
    The measuring result is independent of both flow patterns and water salinity within borehole, and the composition of materials outside casing.
    在两相流中这种仪器在各种斜度的套管井(包括水平井)里都能以相同的精度测量井中流体的持气率。 测量结果不受井内流体流型、矿化度和套管外物质的影响。
    The horizontal displacement of hoist tower based on precision leveling survey is obtained by starting with accumulated subsidence value and setting up fitting subsidence surface to evaluate the tilt angle at ptional position.
    文中从累计沉降值入手,建立拟合下沉面,推求任意方位的微倾角,从而获得了基于精密水准测量的井塔水平位移。
    Digital continuous clinometer is a n accurate device to measure well trajectory.
    数字式连续测斜仪是用于测量井身轨迹的精密仪器。
    As an important tool of geophysical well logging, electromagnetic well logging is able to measure the conductivity and dielectric constant of surround formation, which are very important to evaluate the oil saturation.
    作为地球物理测井重要手段之一的电磁波测井能够同时测量井周地层的电导率和介电常数,而这些常数对于评价地层的含油性是至关重要的.
    The paper introduces the construction surveying techniques adopted in Honghuatao shield tunnel under Yangtze river in Zhongxian-Wuhan gas conduit project, including: surface control surveying, construction surveying of a shaft, connection surveying between the top and bottom of a shaft, underground control surveying, surveying for shield excavation, settlement surveying, piercing surveying and post-construction surveying.
    文章介绍了忠县—武汉输气管道工程红花套长江盾构隧道工程施工测量技术 ,其主要内容包括地面控制测量、竖井施工测量、井上井下联系测量、地下控制测量、盾构掘进测量、沉降测量、贯通测量和竣工测量 ;
 

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