Introductions

 Introduction to Borehole Geophysics                                  

       Borehole geophysics is the science of recording and analyzing measurements of physical properties made in wells or test holes. Probes that measure different properties are lowered into the borehole to collect continuous or point data that is graphically displayed as a geophysical log. Multiple logs typically are collected to take advantage of their synergistic nature–much more can be learned by the analysis of a suite of logs as a group than by the analysis of the same logs individually. Borehole geophysics is used in ground-water and environmental investigations to obtain information on well construction, rock lithology and fractures, permeability and porosity, and water quality. The geophysical logging system consists of probes, cable and drawworks, power and processing modules, and data recording units. State-of-the-art logging systems are controlled by a computer and can collect multiple logs with one pass of the probe.                                http://ny.water.usgs.gov/projects/bgag/intro.text.html

Marine Scholarship of China for New Master and Ph.D programs

Two Master candidates and two PhD candidates are going to be  recruited for logging interpretation and pore geometry evaluation in 2017 and 2018. Please contact the email : tyliu05169@tongji.edu.cn  for more details. 

 Snap02logging_0032a

–U.S. Geological Survey                                    

Up date: 2015-09-14

地球物理测井:运用物理学的原理和方法,使用专门的仪器设备,沿钻井(钻孔)剖面测量岩石的物性参数,包括电阻率,声波速度,岩石密度,射线俘获及发射能力等参数。根据这些参数,了解井下地质学信息及资源赋存状态。工程人员根据对这些信息的研究,发现并评价资源(包括石油、天然气、煤、金属、非金属、地热、地下水等资源)的储量和赋存状态。在此基础上,制定各种资源的合理有效的开发方案。也就是说,地球物理测井是包括油气藏、煤、水资源、金属及非金属等各种资源勘探开发极其重要的技术手段,甚至在城市的市政规划中地基勘测、高速铁路建设及地铁建设中也发挥着重要的作用。

     2017年和2018年,预计招收\2名硕士生和2名博士生从事测井解释与孔隙结构评价研究,请发送邮件到 tyliu05169@tongji.edu.cn, 以便获得更多的信息。

………….球管模型应用软件下载地址 :http://t.cn/R5ERGpk

………….Application software of Sphere-Cyllinder Model: http://t.cn/R5ERGpk

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    tester

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