洪积扇砂砾岩储层岩石相及剩余油分布-大庆石油地质与开发.PDFVIP

摇 2011年12月 摇 摇 摇 摇 摇 摇 大庆石油地质与开发 Dec郾 ,2011 摇 摇 摇 摇 摇 摇 摇 摇 摇 摇 第30 卷第6 期 Petroleum Geology and Oilfield Development in Daqing摇 摇 摇 摇 摇 摇 摇 Vol郾30 No郾6 DOI: 10郾3969/ J郾ISSN郾1000鄄3754郾2011郾06郾012 洪洪积扇砂砾岩储层岩石相及剩余油分布 高摇 建 (中国石油勘探开发研究院采收率所, 北京摇 100083) 摘要: 野外露头观察和岩心观察, 洪积扇砂砾岩储层发育7种岩石相, 不同岩石相的含油性和流动性差异明显。 研究表明: 片流沉积的交错层理鄄细小砾岩和平行层理砂岩相的含油性和流动性最好, 杂基颗粒支撑鄄中粗砾岩相 和含砾块状粗砂岩相含油性和流动性次之, 杂基支撑无序鄄泥质砾岩相和波状层理粉细砂岩相储层含油性和流动 性最差; 结合生产动态信息, 中粗砾岩相和含砾块状粗砂岩相是后期开发调整的目标岩石相。 关 键 词: 洪积扇; 砂砾岩; 岩石相; 剩余油分布 中图分类号: TE327摇 摇 摇 文献标识码: A 摇 摇 摇 文章编号: 1000鄄3754 (2011) 06鄄0062鄄04 LITHOFACIESES AND REMAINED OIL DISTRIBUTION OF PLUVIAL鄄FAN GLUTENITE RESERVOIRS GAOJian (EOR Institute of PetroChina Petroleum Exploration Development Research Institute, Beijing 100083,China) Abstract: Crop and core analyses show that the pluvial鄄fan glutenite reservoirs develop 7 lithofacieses with obvi鄄 ously differentoilinessandfluidity. Thestudiesshowthatthecrossbedding鄄fineconglomeratefaciesfromsheetflood deposition andthesandstonefacieswithparallelbeddinghavethebestoilinessandfluidity,thematrixparticle鄄sup鄄 ported middle鄄coarse conglomerate faciesand the coarse sandstonefacieswith block鄄shaped conglomerate lie in the middle,the matrix鄄supported and disordered鄄argillaceousconglomeratefaciesandthefine aleurolitefacieswithwa鄄 ving beding are the worst. Combinedwith production performance data,the middle鄄coarse conglomeratefaciesand the coarse sandstonefacieswithblock鄄shapedconglomeratearethemaintargetfaciesesofthelaterdevelopmentad鄄 justment. Key words: pluvial fan;glutenite;lithofacies;remained oil distribution [3鄄9] 摇 摇 洪积扇储层是干旱气候条件下, 洪水携带大量