2024年3月云南化工Mar.2024第51卷第3期YunnanChemicalTechnologyVol51,No3doi:103969/jissn1004275X20240338丈方台区块油藏特征及油水分布关系探讨李晓航,汪昌尧,陈浩(延长油田股份有限公司注水项目区管理指挥部,陕西延安716000)摘要:丈方台油区目前所有层系均未投入注水开发,开发方式仍然主要依靠弹性驱+溶解气驱的天然能量,地层能量和油井产量都下降较快,影响了该区的开发效果。通过对丈方台区块油藏进行精细研究,弄清了延10、长6、长7等主力含油层系的沉积特征、油藏类型及油水分布关系,对今后开发方案的调整具有重要的意义。关键词:注水开发;油藏类型;油水分布;油藏特征中图分类号:TE341文献标识码:A文章编号:1004-275X(2024)03-0148-05StudyontheCharacteristicsofOilReservoirsandOil-waterDistributionRelationshipintheZhangfangtaiBlockLiXiaohang,WangChangyao,ChenHao(YanchangOilfieldCo.,Ltd.,WaterInjectionProjectAreaManagementCommand,Yanan716000,China)Abstract:Currently,alllayersintheZhangfangtaioilfieldhavenotbeenputintowaterinjectiondevelopment,andthedevelopmentmethodstillmainlyreliesonthenaturalenergyofelasticfloodinganddissolvedgasflooding.Theformationenergyandoilwellproductionhavedecreasedrapidly,whichhasaffectedthedevelopmenteffectofthearea.ThisarticleconductsadetailedstudyofthereservoirsintheZhangfangtaiblocktoclarifythesedimentarycharacteri...