永宁油田长8致密油差异化源储配置与油气分布规律研究

——以YT9井区为例

打开文本图片集

中图分类号：TEl22 文献标识码：A 文章编号：2097-5465（2025）03-0063-06

Research on Diferential Source and Reservoir Configuration and Oil and Gas Distribution Patterns of Chang 8 Tight Oil in Yongning Oilfield—Taking YT9 Well Area as an Example

ZHANG Weijie， XUE Gang， XING Fuyin， ZHANG Tingting， JIANG Pengfei， WEI Chunyang

Zhidan Oil Production Plant，Yanchang Oilfield Co.，Ltd，Yan'an 717500，China

Abstract：Inrecentyears，significantbreakthroughshavebeenmadeintheexplorationofChang8tightoilinYongningOilfield， becominganewfieldforincreasingoilandgasreservesandproduction.Althoughsomeindustrialoilflowshavebeendiscovered， thedevelopmentoftightoilisprogessngslowly，andreseachonthefomationanddisrbutionpatesoftightiliselatively weak，whichrestrictstheexplorationanddevelopmentofunconventionaloileservoirs.Troughcoreobservation，experimental analysis，logging，andproductiontestingdata，iisconcudedthatteaintypesofsourcereservoirconfigurationinthesudyarea areuppersourcelower storage type，lowersourceupperstorage type，and sourcereservoir overlapping type.Among them，the upper source lowerstoragetypeandlowersourceupperstoragetypehavediscoveredrelativelyabundanttightoilresources. However，thesoucereservoiroverlappngtypeisnotconducivetotheenrichmentandaccumulationof ightoilduetotheinand poorqualityofsoucerocksandreservoirs，aswellasinsuicientchargingpower.Itisrevealedthatinteexplorationprocsof tightoilintheang8sctioofongnngileldiislsonecearytfocusoeifueneofsouersevoiroiation relationshiptypesontheformationoftightoilreservoirs，clarifytherulesofoilandgasenrichment，andimprovetheexploration and development effect of tight oil.

Keywords：tightoil；eservoircharacteristics；sourcestorageconfiguration；oilandgasaccumulation；distributionpate

来稿日期：2024-12-31 DOI：10.13937/j. cnki. hbdzdxxb.2025.03.009

作者简介：张伟杰（1986—），男，陕西渭南人，工程师、地质工程硕士，主要从事油气田开发方面的工作;e-mail：422866560@ qq.com。（剩余5818字）