珠江口盆地东部含油构造潜力再评价与勘探成效  

Reevaluation of potential and exploration effectiveness of oil bearing structures in the east part of Pearl River Mouth Basin

作　　者：何敏 刘丽华 张向涛 全志臻 冯进 

机构地区：[1]中海石油(中国)有限公司深圳分公司研究院,广东广州510240

出　　处：《石油学报》2016年第B11期58-67,共10页Acta Petrolei Sinica

基　　金：国家重大科技专项"钻井压裂适度出砂油藏工程技术"(2008ZX05024-003)资助

摘　　要：珠江口盆地东部历经30多年的勘探,发现了一系列大中型油田,同时也留下一批难以动用的含油构造。这些构造主要有两大特点:1储量规模较小或不落实,开发不具商业性;2储层物性或原油品质较差,产能不具经济性。借助思路创新和技术攻关,形成一套针对含油构造的"2+N"联动评价新思路,即两种勘探理念和多项关键技术互联互通,实行交互式立体评价。以复式油气藏勘探理念为指导,在油气成藏综合研究的基础上,优选有利含油构造。基于三维地震资料采集或重处理,运用精细的速度分析和时-深转换方法,落实构造形态和规模;综合地震反演等多种地球物理手段,刻画储层分布规律;针对测井解释盲区,复查老井、对比邻井,结合实际资料修正测井解释参数,识别出新油层;自主研发和应用先进的测井和测试技术,落实油层并激活产能。此外,深入贯彻勘探、开发、工程一体化理念,最终实现含油构造的商业开发。运用该套思路,恩平18-1、陆丰15-1、西江23-1等含油构造得到成功评价,储量规模得到升级,推动了珠江口盆地东部的勘探开发进程,并产生了巨大的经济和社会效益。Since more than 30 years of exploration,a series of large and medium-sized oil fields have been discovered in the east part of Pearl River Mouth Basin,and a number of hardly exploited oil bearing structures are also left.These structures have two main characteristics：（1）reserves scale is relatively small or unconfirmed,and thus commercial exploitation cannot be achieved;（2）The poor reservoir physical property or low quality of crude oil leads to an uneconomical productivity.With the aid of thought innovation and technical research,a set of new ideas of＂2＋N＂linked evaluations for oil bearing structures have been formed,i.e.,interconnection between two kinds of exploration concepts and multiple key technologies for the implementation of interactive three-dimensional evaluations.Guided by the exploration ideas of complex oil and gas reservoir,the favorable oil bearing structures are optimally selected based on the comprehensive research of hydrocarbon accumulation.Based on3 D seismic data acquisition or reprocessing,structural form and scale are confirmed using fine velocity analysis and time-depth conversion method;reservoir distribution is described comprehensively by seismic inversion and multiple geophysical means;as for the blind zones of logging interpretation,it is required to reexamine old wells,perform comparative analyses on adjacent wells,and correct logging interpretation parameters based on actual data,thus identifying new oil reservoirs;Through independently developing and applying advanced logging and test technologies,oil reservoirs are confirmed and productivity is also activated.In addition,the integration of exploration,development and engineering is deeply implemented to ultimately achieve,the commercial development of oil bearing structures.Using this set of ideas,Enping18-1,Lufeng15-1,Xijiang23-1 and other oil bearing structures are successfully evaluated to upgrade the reserves scale,thus promoting the process of exploration and development in the east part of Pearl River Mouth

关 键 词：珠江口盆地 含油构造 低阻油藏 速度分析 测试技术 经济可采 

分 类 号：TE121.1[石油与天然气工程—油气勘探]