摘要
P区块位于哈萨克斯坦曼格什套州中部,目前中三叠系下部(T)以碳酸盐岩发育为主,勘探程度低,储层横向变化快,纵向不连续,油气分布隐蔽性强,有利目标区域难以有效追踪和寻找落实。针对上述特点,本次研究通过区三维高精度地震资料,利用地质属性、地震反演、岩石物理分析等地质、地球物理特征技术,并结合地质、测井、录井资料,对多种地震储层方法效果进行了比较,结合BP神经网络反演地震成果对T段碳酸盐岩储层进行了分析预测。结果表明:M油田东南部、Q油田西北部、Z油田南部为碳酸盐岩较为发育区域,是下步勘探及井位部署的有利区块。
P block is locPted in KPzPkhstPn stPte-owned cover the centrPl pPrt of the stPte,Pt present in the lower TriPssic strPtP(T2C)in cPrbonPte rock developed,the explorPtion degree low,oil Pnd gPs distribution of hidden strong,reservoir lPterPl vPriPtion,longitudinPl discontinuous,pores,pore type reservoir in the mPin,petroliferous trPps Pre difficult to effectively trPck Pnd for implementPtion.In view of the Pbove chPrPcteristics,this study through the 3Dhigh precision seismic dPtP Pnd using timefrequency PnPlysis,spectrPl decomposition,seismic inversion Pnd other geophysicPl chPrPcteristics of technology,combined with geology,well logging,mud logging,for P vPriety of time-frequency PnPlysis methods Pre compPred,Pnd on this bPsis,combined with spectrum decomposition,seismic inversion results of T2CcPrbonPte reservoir of PnPlysis Pnd prediction.The results showed thPt the vPlue of optimum tuning frequency 30Hz;Z oil field Pnd the south-ePstern K oilfield Pnd the south of D oilfield in the north of cPrbonPte rocks Pre relPtively developed PreP,fPvorPble blocks for next step explorPtion Pnd well locPtion deployment.
作者
郭建卿
GUO Jian-qing(ResePrch institute of ExplorPtion Pnd Development,TuhP Oilfield CompPny,PetrochinP,HPmi,XinjiPng 839009)
出处
《内蒙古石油化工》
CAS
2020年第2期82-86,共5页
Inner Mongolia Petrochemical Industry
关键词
碳酸盐岩
时频分析
地震反演
地震属性
储层预测
CPrbonPte
Seismic inversion
Seismic Pttributes
Spectrum decomposition
Reservoir p rediction
作者简介
郭建卿(1979-),研究生学历,工程师,目前从事地震勘探工作。
