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1、古地理學(xué)報(bào)V()1.11NO.6第l1卷第6期2009年12月JOURNAL0FPA【AE0GE0CRAPHYDec.2009文章編號(hào):1671—1505(2009)06—0697-05冀中饒陽凹陷蠡縣斜坡北段古近系沙河街組沉積相及成藏有利區(qū)帶羅彩珍田世澄李瑞民1中國(guó)地質(zhì)大學(xué)(北京)能源學(xué)院,北京1000832中國(guó)石油勘探開發(fā)研究院,北京1000833中國(guó)石油渤海鉆探工程有限公司第二錄井公司,河北任丘062552摘要通過沉積環(huán)境、沉積特征、測(cè)井相和地震相等綜合分析,認(rèn)為蠡縣斜坡北部主要目的層段古近系沙河街組沙一下段、沙二段及沙三上段發(fā)育退積式扇三角洲、辮狀
2、河和進(jìn)積式辮狀河三角洲3種沉積相類型。研究結(jié)果表明,蠡縣斜坡北部沙一下段半環(huán)形扇三角洲前緣相帶、沙二段河流相分流河道的主體部位及沙三上段辮狀河三角洲各期分流河道的邊緣相帶砂體,是油氣藏的主要儲(chǔ)集體,其儲(chǔ)集物性良好,加上良好的烴源巖層和有利的蓋層,具有形成油氣藏的優(yōu)越條件,因此是下一步油藏勘探的重點(diǎn),其中沙三段將是圈閉優(yōu)選的主要突破口.關(guān)鍵詞冀中饒陽凹陷蠡縣斜坡沙河街組沉積相成藏模式第一作者簡(jiǎn)介羅彩珍,女,1967年生,中國(guó)地質(zhì)大學(xué)(北京)在讀博士研究生,主要從事油氣勘探研究工作。通訊地址:北京市海淀區(qū)學(xué)院路20號(hào)中國(guó)石油勘探開發(fā)研究院南教樓112;郵編:1
3、00083。中圖分類號(hào):P6l8.130.2文獻(xiàn)標(biāo)識(shí)碼:ASedimentaryfaciesandfavorableareaofhydrocarbonaccumulationofthePaleogeneShahejieFormationinnorthernLixianSlopeofRaoyangSagincentralHebeiProvinceLuoCaiZhen’·TianShicheng’LiRuimin1SchoolofEnergyResources,ChinaUniversityofGeosciences(Beijing),Bering100083
4、2ResearchInstituteofPetroleumExploration&Development,PetroChina.Belting1000833TheSecondCuttingLoggingCompanyofCNPCBohaiDrillingEngineeringCompany,Renqiu062552,HebeiAbstractThroughdepositionalenvironment,sedimentarycharacteristics,singlewellsedimentaryfa—ciesandseismicfaciesanalysi
5、s,itisconcludedthatfan—delta,braidedfluvial,braidedfluvia1一deItadeD0一sitionalsystemsWeredevelopedduringthedepositionofthelowersubmemberoftheMember1,theMem—ber2andtheuppersubmemberoftheMember3ofthePaleogeneShahejieFormationinLixianSlope.Themainreservoirsincludethesemi—circulardelta
6、frontfaciesofthelowersubmemberoftheMember1ofthePaleogeneShahejieFormation,themainpartsofthefluvialdistributarychanneloftheMember2ofthePa—leogeneShahejieFormation,thedistalpartsofthedistributarychannelfaciesoftheuppersubInemberof收稿U期:2009—07—20改川r]期:2009—09—17698古地理學(xué)報(bào)2009年12月theMem
7、ber3ofthePaleogeneShahejieFormation.Theyhavegoodreservoirpropertiesandarefavorableforhydrocarbonaccumulations.Withthefavorableconditionsforformationofoilandgasaccumulati0ns.theyarethefavorabletargetsforfurtherexploration.KeywordscentralHebeiProvince,RaoyangSag,LixianSlope,Shahejie
8、Formation,sedimentaryfacies,hydro