The geometric factor of resistivity log tool has been calculated by the transmission line equation for resistivity logging through casing.
为研究过套管电阻率测井仪器的径向探测特性，本文给出了反映地层径向介质变化的几何因子。
Through casing resistivity logging is an important logging technology, and the difficulty in this technology is the detection of weak signal.
过套管电阻率测井是一项重要的测井技术，该项目的一个难点为微弱信号的检测。
Through Casing Resistivity logging (TCRL) is a new field in the electric logging.
过套管电阻率测井(TCRL)是电法测井的一个新领域。
Ultrasonic imaging well logging tool satisfies the needs of all kinds of complex situations of casing well through improving imaging quality and resolution.
超声波成像测井仪通过改善成像质量和分辨率，较好地满足了各种套管井复杂情况的需要。
Based on comparison of acoustic data logged in different conditions of cementation, casing and borehole, the applicable condition and limitation of through-casing acoustic logging are summarized.
对比了在不同水泥胶结质量、套管状况和井眼条件下的套管井与裸眼井声波测井资料，归纳出了过套管声波测井的使用条件和局限性。
The particularity and complexity of sidetracking horizontal wells through the opened casing hole has brought severe challenges to conventional mud logging.
套管开窗侧钻小井眼水平井钻井技术的特殊性及复杂性给传统常规录井带来了严峻的挑战。
The EMDS-TM-42E gamma-electromagnetic defectoscope imported from Russia is an engineering logging tool to inspect casing damages and is used through tubing.
俄罗斯EMDS -TM -4 2E电磁探伤测井仪是一种检测管柱损坏状况的工程测井仪，可过油管测量，主要描述油管套管的变形、裂缝等参数。
Hole enlargement through the Tertiary system and the Carboniferous system in test Wells are less than 6%, therefore, got a successful completion logging and running casing strings.
试验井三叠系、石炭系平均井径扩大率小于6%，完井电测及下套管固井等作业顺利。
Hole enlargement through the Tertiary system and the Carboniferous system in test Wells are less than 6%, therefore, got a successful completion logging and running casing strings.
试验井三叠系、石炭系平均井径扩大率小于6%，完井电测及下套管固井等作业顺利。
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