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[1]韩会平,武春英,蒋继辉,等.大路沟地区三叠系延长组长6储层特征及影响因素[J].地球科学与环境学报,2008,30(02):149-155.
　HAN Hui-ping,WU Chun-ying,JIANG Ji-hui,et al.Characteristics andMain Controlling Factors of Chang-6 Reservoir of Triassic Yanchang Formation in Dalugou Area , Ordos Basin[J].Journal of Earth Sciences and Environment,2008,30(02):149-155.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第30卷
期数:
2008年第02期
页码:
149-155
栏目:
基础地质与矿产地质
出版日期:
2008-06-20

文章信息/Info

Title:
Characteristics andMain Controlling Factors of Chang-6 Reservoir of Triassic Yanchang Formation in Dalugou Area , Ordos Basin
作者:
韩会平1; 3; 武春英2; 3; 蒋继辉4; 李勇3; 王宝清5; 季海锟1
1.长庆油田勘探开发研究院,陕西西安710021;2.长庆油田采油六厂,陕西西安710021;3.长安大学地球科学与资源 学院,陕西西安710054;4.长庆油田录井公司,陕西西安710021;5.西安石油大学油气资源学院,陕西西安710065
Author(s):
HAN Hui-ping1; 3; WU Chun-ying2; 3; JIANG Ji-hui4; LI Yong3; WANG Bao-qing5; JI Hai-kun1
1. Institute o f Exploration and Development, Changqing Oilfield Limited, Xian 710021, Shaanxi, China; 2. No.6 Production Plant, Changqing Oilfield Limited, Xian 710021, Shaanxi, China; 3. School o f Earth Sciences and Resources, Changan University, Xian 710054, Shaanxi, China; 4. Well Logs Company, Changqing Oilfield Limited, Xian 710021, Shaanxi, China; 5. School o f Oil and Gas Resources, Xian Shiyou University, Xian 710065, Shaanxi, China)
关键词:
鄂尔多斯盆地; 延长组; 储层; 岩石学特征; 孔隙结构; 储层物性; 成岩作用
Keywords:
Ordos Basin;  Yanchang Formation;  reservoir petrologic characteristic;  pore structure;  physical properties;  diagenesis
分类号:
TE122.2;P618.130.2
DOI:
-
文献标志码:
A
摘要:
通过露头、岩心、测井分析测试资料,对大路沟地区长6油层组储层岩石学、孔隙结构和储集物性等特征 进行研究。结果表明:该区延长组长6油层组为典型的低孔、低渗储层;储集砂体为成分成熟度低而结构成熟度 高的长石砂岩;储层孔隙类型为原生粒间孔、粒内溶蚀孔、铸模孔或残余铸模孔;孔隙结构具有小孔隙、微细喉道 的特点;储层性质明显受原始陆源组分、沉积相和成岩作用的相互影响;原始陆源组分的结构和含量对储层物性 有直接影响;沉积相是基础,砂体厚度大、粒度较粗的水下分流河道的储集物性明显优于其他微相砂体;成岩作 用对储层物性优劣起主导作用,压实作用、胶结作用导致储层致密,物性变差,溶蚀作用使储层得到改善。
Abstract:
Based on outcrop observation,core description,geophysical logging interpration and other test datum, the petrologic characteristic, pore structure and the physical properties of Chang-6 reservoir of Yanchang formation in the Dalugou exploration area are studied.The result shows that: the Chang-6 reservoir of Yanchang formation in this area is feldspar sandstone with low porosity and permeability; the sandstones can be compositionally classified as immature and high structural maturity; the pores of the reservoir are mostly intergranular pores, intraparticle dissolution pores and moldic pores or relic moldic pores; the characteristics of the pore structure are minor pores and microcrystals; the reservoir is formed by interaction among original terrestrial composition, sedimentary facies and diagenesis; the structure and amount of original terrestrial composition are direct factors leading to good physical property; sedimentary facies is the basic factor that controls the final distribution and space characteristics of reservoir; submerged distributary channels in delta fronts are the favorable sedimentary environment for the formation and development of reservoir; diagenesis plays cardinal role in the quality of reservoir, compaction and cementation mainly led to the tight reservoir and poor physical property, while dissolution makes the reservoir become good.

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备注/Memo

备注/Memo:
收稿日期:2007-10-09
基金项目:中国石油天然气集团公司勘探基金项目
作者简介:韩会平(1973-),男,陕西陇县人,工程师,从事储层与油气地质研究。E-mail:huipinghan@hotmail.com
更新日期/Last Update: 2008-06-20