松辽盆地长岭凹陷腰英台地区青一段页岩油资源潜力评价研究

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中图分类号：P618.13 文献标识码：A 文章编号：2097-5465（2026）02-0069-09

Abstract：ThispapercomprehensivelyevaluatestheexplorationpotentialofshaleoilintheQinglFormationofteYaoYingtaiarea intheChanglingDepressonbysystematicallyanalyzing variousfactorssuchasthesedimentarycharacteristicsoftheshalestrata， sourcerockquality，oilntent，servoiproperties，mobilityfracturabilityndpreservationconditios.Utilzingdatafrooe samples，logging，andexperimentalanalyses，thestudyfindsthattheQinglFormationshaleoilpoessesfavorablehdrocarbon generationconditionsThethicknessof theQ5～Q6sublayersintheQinglFormationgenerallrangesfrom33to46meters，with measured TOC values in core samples between 0.22% and 4.13 % ，Ro values between 1，0% and 1. 12% ，and Svalues between （204号 0.7 and 8.4mg/g .TheOSI valuespredominantly exceed 100mg/g ，indicatingmoderate mobility，with porosityranging from 2% to 5，7% .The brittle mineral content can reach over 60% ，and the formation pressure coefficient may reach1.1～1.2，suggesting favorablepreservation conditions.According to theevaluation criteria for favorable areas，the Q5～Q6 sublayers in the Qing1 FormationofYao Yingtaiarea ofthestudyareaaremainlyclasifiedas ClassI favorableexplorationareas witharesourceof 95.4594miliontons，demonstratinggoodexplorationprospects forshaleoilinthisarea.Itcanserveasacorepositionfor increasing the reserve and productionof terrestrial shale oil in the Sinopecexplorationareaof the Songliao Basin.

Keywords：Changling；Yaoyingtai area；Qingl Formation；shale oil；prospectivity assessment

0 前言

我国陆相页岩油气主要分布在松辽盆地、渤海湾盆地、准噶尔盆地、鄂尔多斯盆地及四川盆地几个地区，其中页岩油作为一种非常规油气资源，已经成为油气系统的重要组成部分[1-5]。（剩余9060字）