洛阳盆地T1井钻后地质综合分析与油气解释评价  

Comprehensive geological analysis and oil & gas interpretation and evaluation after Well T1 drilling in Luoyang Basin

作　　者：方锡贤[1] 周长春[1] 郭年会[1] 李春青[1] 李红[2] 

机构地区：[1]河南石油勘探局地质录井公司 [2]大港油田采油二厂

出　　处：《录井工程》2012年第3期71-75,102,共5页Mud Logging Engineering

摘　　要：T1井是洛阳盆地伊川凹陷的一口探井,实际钻探过程于中生界三叠系上统椿树腰组发现了良好的气显示,完井后经过大型压裂改造施工喜获工业气流,结束了河南油田洛阳盆地油气勘探多年久攻不克的局面。基于对该井区三叠系上统谭庄组、椿树腰组和油坊庄组岩性的判别与划分,综合分析谭庄组、椿树腰组生烃、储集、保存条件后认为:生烃条件较好,储集层岩性致密,储渗空间主要为裂缝,谭庄组主要为油显示,椿树腰组主要为气显示,经过地层压裂改造后可获得工业油气流。在此基础上提出了该井区油气层录、测井初步解释评价方法,并以该井椿树腰组气层为例,验证了该解释评价方法的可行性。Well T1 is an exploratory well in Yichuan Depression of Luoyang Basin,a good gas show was found during the actual drilling process in Chunshuyao Formation of the Mesozoic Triassic and awarded industrial gas flow by a large-scale fracturing after well completion,this ended many years' oil and gas exploration situation of no breakthrough in Luoyang Basin,Henan Oilfield.Based on the discrimination and division of the formation lithology for Tanzhuang Formation,Chunshuyao Formation and Youfangzhuang Formation in Triassic system of the well area,and the comprehensive analysis for formation hydrocarbon generation,reservoir and storage conditions,the authors considered that there are better conditions for hydrocarbon generation,reservoir lithology is dense and the permeability spaces are mainly cracks in Tanzhuang and Chunshuyao Formation,Tanzhuang Formation is dominated by oil show,while Chunshuyao Formation is gas,industrial gas flow is available after the formation fracturing.On this basis,preliminary interpretation and evaluation methods of mud logging and well logging for the area are provided with,taking the gas reservoir of Chunshuyao Formation as an example to verify the feasibility of the interpretation and evaluation method.

关 键 词：伊川凹陷 谭庄组 椿树腰组 油气藏 油源分析 油气 录井 解释评价 

分 类 号：TE122.2[石油与天然气工程—油气勘探]