中国测井技术的发展方向

Development Trend of Logging Technology in China

随着石油勘探开发需要,测井技术发展十分迅速,高分辨阵列感应、微扫、三分量感应和正交偶极声波等新型成像测井仪为研究地层各向异性提供了强有力的手段;核磁共振、电缆地层测试、井壁取心等提供了对地层流体的精确认识;新的过套管井测井仪器,如电阻率、新型脉冲中子类测井仪、核磁共振、电缆地层测试及永久监测等现代测井技术的发展可以在套管井中确定地层参数,精细描述油藏动态变化;新的水泥胶结评价仪直观提供一、二胶结面、水泥环形新空间及套管的剖面成像;新的套损成像测井仪为修井作业提供井精确套损质量。随钻测井系列不断增加,如随钻声电成像、核磁共振测井、随钻地层测试等。生产测井中的新型仪器出现,如流动成像仪、持率计等可较精确地提供大斜度、水平井测井。新的测井概念(如动电测井、套管钻井测井等)进展迅速。通过介绍国外如斯伦贝谢、哈里伯顿、阿特拉斯、康普乐、俄罗斯等测井新技术的测量原理和仪器结构,对于我国当前的科研和生产具有指导和借鉴作用。

Today＇s well logging technology has been developing rapidly with the need of petroleum exploration and production. Imaging logging tools such as newly developed high - resolution array induction resisitivity, microresistivity image well logging, three dimensional induction resistivity logging and cross dipole acoustic logging tool provided powerful means for studying formation heterogeneity and anisotropy. Nuclear magnetic resonance logging, formarion tester and rotary sidewall coring offered knowledge of formation fluid. Fine description of reservoir behavior and logging of formation parameters in casing are offered by developing logging technology, for instance thru - casing resistivity, thru - casing pulse neutron logging tools, thru - casing nuclear magnetic resonance logging and permanence monitoring. Novel cement bond logging tools give profile map of casing and evaluation of cement quality and determination. Casing imagers evaluate casing integrity and locate and quantificate casing corrosion for workover. Logging tools of logging- while -drilling, such as LWD resistivity, LWD NMR and LWD FMT, have been developing. New production logging tools, such as flowing image tools and holdup tools, have offered logging in deviate and horizontal wells. New logging concepts of electrokinetic logging and casing drilling are developing rapidly. The measuring principle and the tool composition of tools made in Schlumberger, Halliburton, Atlas, Computalog and Russia are introduced in the paper, which is very helpful for the fast development and improvement of current scientific research and tools design.