方位伽马随钻测量技术现状与发展展望  

Current status and development prospect of azimuthal gamma measurement while drilling technology

作　　者：刘克强 陈财政 李欣 杨晓峰 高永伟 曹冲 LIU Keqiang;CHEN Caizheng;LI Xin;YANG Xiaofeng;GAO Yongwei;CAO Chong(Drilling&Production Engineering Technology Research Institute,CNPC Chuanqing Drilling Engineering Company Limited,Xi'an 710018,China;National Engineering Laboratory for Exploration and Development of Low-Permeability Oil&Gas Fields,Xi'an 710018,China)

机构地区：[1]中国石油集团川庆钻探工程有限公司钻采工程技术研究院,陕西西安710018 [2]低渗透油气田勘探开发国家工程实验室,陕西西安710018

出　　处：《复杂油气藏》2022年第4期86-90,共5页Complex Hydrocarbon Reservoirs

基　　金：中国石油天然气集团公司“水平井优质高效钻完井技术研究”(2021DJ4205);中国石油川庆钻探有限公司“定向井装备及工具研制”(CQ2022B-15-2-3)。

摘　　要：方位伽马随钻测量是近年来发展起来的一种新型地质导向技术,是目前提高复杂油气藏及非常规油气资源勘探开发效果的重要技术手段。基于国内现场生产与工具国产化的技术需求,阐述了方位伽马随钻测量技术的主要优点,介绍了国内外探管式、钻铤式两种方位伽马随钻测量技术现状,分析了国内外存在的技术差距。结合在鄂尔多斯盆地的现场情况,系统总结了该技术在探评井、页岩油和致密气开发井中的应用效果,同时指出了实际应用中存在的主要问题,提出了今后的技术发展建议。The azimuthal gamma measurement while drilling(MWD)is a new type of geosteering technology developed in recent years,which is an important technical means to improve the exploration and development effect of complex oil and gas reservoirs and unconventional oil and gas resources.Based on the technical requirements of domestic field production and tool localization,the main advantages of azimuthal gamma MWD technology are described,the current status of two types of azimuthal gamma MWD technologies,namely,probe tube type and drill collar type,at home and abroad,are introduced,and the technical gaps at home and abroad are analyzed.Combined with the field situation in Ordos Basin,the application effect of this technology in exploratory evaluation wells,shale oil,and tight gas development wells is systematically summarized,the main problems in practical application are pointed out and suggestions for future technology development are put forward.

关 键 词：方位伽马 自然伽马 地质导向 钻遇率 轨迹控制 

分 类 号：TE243[石油与天然气工程—油气井工程]