用核磁共振测井资料评价砂砾岩体低孔低渗油气藏  

Evaluating glutenite body of low porosity and low permeability reservoir by NMR logs

作　　者：张凤生[1] 郭红旗[1] 杨萱[1] 

机构地区：[1]中国石化胜利油田测井公司

出　　处：《石油仪器》2008年第4期55-57,共3页Petroleum Instruments

摘　　要：砂砾岩体低孔低渗储集层由于孔隙中流体的测井响应信号弱,常规测井难以识别与评价。核磁共振测井能提供与岩石骨架无关的孔隙度等测井信息,能有效地识别和评价储集层。而且,其多种烃类检测模式及其评价方法能定性评价流体性质和定量计算其流体体积。胜利济阳坳陷东营凹陷陡坡带低孔低渗砂砾岩体测井评价表明,核磁共振测井在储层识别、岩石参数计算、流体性质识别中发挥了很大作用。It's difficult to identify and evaluate the glutenite body of low porosity and low permeability reservoir with the conventional logging,because it's characterized of the weak logging responses from the liquid.NMR logging directly measures the liquid that fills porous space and provides us with the logging information such as porosity,which has nothing to do with the rock matrix.By analyzing the NMR logging responses we can effectively identity and evaluate reservoir.Furthermore,a variety of hydrocarbon detection mode and evaluation technique not only help us evaluate the liquid properties qualitatively but also calculate the liquid volume quantitatively.The logging evaluation of the glutenite body of low porosity and low permeability reservoir of steep slope of Dongying Sag,Jiyang Depression in Shengli Oil Field shows that NMR logging plays an important role in reservoir identification,lithology parameters calculation and fluid typing.

关 键 词：核磁共振测井 砂砾岩体 低孔低渗 

分 类 号：TE377[石油与天然气工程—油气田开发工程] P631.813[天文地球—地质矿产勘探]