資源描述:
《松遼盆地徐家圍子斷陷登二段致密砂巖之有利儲層預測.pdf》由會員上傳分享,免費在線閱讀,更多相關內容在行業(yè)資料-天天文庫。
1、礦物巖石地球化學通報·研究成果·BulletinofMineralogy,PetrologyandGeochemistryVo1.31No.4,July2012松遼盆地徐家圍子斷陷登二段致密砂巖之有利儲層預測胡玉雙,喬柱,喬德武,孟元林,肖麗華,田偉志。,孫洪斌,張明學,胡安文1.東北石油大學,黑龍江大慶163318;2.國土資源部油氣資源戰(zhàn)略研究中心,北京100034;3.中國石油長城鉆探工程分公司,遼寧盤錦124010;4.中國石油遼河油田分公司,遼寧盤錦124010摘要:為了預測松遼盆地徐家圍子斷陷深層登婁庫組二段致密砂巖的有利儲層發(fā)育區(qū),
2、本文討論了沉積相和成巖作用對致密砂巖儲層物性的影響。結果表明:登二段最有利的沉積相是三角洲相和河道亞相,但進入晚成巖階段A期以后,致密砂巖儲層就難以產出工業(yè)氣流;不同沉積相的砂體處于不同的成巖階段,形成了登二段致密砂巖三種不同類型的儲層(Ⅱ、Ⅲ、Ⅳ類)。應用成巖作用數值模擬技術,結合沉積相的研究成果,本文預測了登二段致密砂巖各種類型儲層的平面分布特征。目前已發(fā)現的工業(yè)氣流井主要位于Ⅱ、Ⅲ類儲層分布的范圍內,這些砂巖就是致密砂巖中有利儲層的發(fā)育區(qū)。關鍵詞:致密砂巖氣;非常規(guī)油氣;成巖作用;沉積相;成巖模擬;徐家圍子斷陷;松遼盆地中圖分類號:TE12
3、2.2文獻標識碼:A文章編號:1007—2802(2012)04—0361一O8BetterReservoirPredictionoftheTightSandstonesintheMember2oftheDengloukuFormationintheXujiaweiziRiftDepressionoftheSongliaoBasinHUYu—shuang,QIAOZhu,QIAODe—wu。,MENGYuan—Lin,XIAoLi—hua,TIANWei—zhi。,SUNHong—bin,ZHANGMing—xlJe,HUAn—wen1.Nort
4、heastPetroleumUniversity,HeilongJiangDaqing163318,China;2.StratlgicRecearchCenterofOilandGasResources,MinistryofLardandRsources,Beijing100034,China;3.GreatWallDrillingCompany,PetroChina,Panjin124010,China;4.LiaoheOilfieldBranchCompanyofPetroChina,Liaoning,Panjin124010,ChinaAb
5、stract:TopredictbetterreservoirsoftightsandstonesintheMember2oftheDengloukuFormation(Kld2),Xu—jiaweiziriftdepression,Songliaobasin,theeffectsofsedimentaryfaciesandthediagenesisonreservoirporositywerediscussed.TheresultsshowedthatthefavorablesedimentaryfaciesofK】d2aredeltafaci
6、esandriverchannelsub—facies;andthat1ittlecommercialgasflowwasproducedfromthetightsandstonereservoirsinthelatediage—neticstageaftertheperiodA.Thesandstonesindifferentsedimentaryfaciesanddifferentdiageneticstageshadformedthreekindsoftightsandstonereservoirs,types1I,HI,andⅣ.Thet
7、ightsandstonereservoirtypesoftheMember2oftheDengloukuformationwerepredictedlaterallybythediageneticnumericalmodelcombiningwiththesedimentaryfacies.CurrentcommercialgasflowwellsaremainlylocatedinthetypelIandtypelI,wherethemostfavorablereservoirsare1ocated.Keywords:tightsandsto
8、negas;unconventionalo.1andgas;diagenesis;sedimentaryfaciesdiagenetic