油气地质

高邮凹陷阜一段低渗透储层特征及成因分析

  • 李专 ,
  • 何幼斌 ,
  • 肖彬 ,
  • 王振奇
展开
  • 1.西南石油大学 资源与环境学院,成都 610500;2.中国石化江苏油田勘探局 地质测井处,江苏 扬州 225002
吴思仪(1990-),女,西南石油大学在读硕士研究生,研究方向为油气田测井方法、解释及地质应用。 地址:(610500)四川省成都市新都区西南石油大学研究生院。 E-mail:251948812@qq.com。

网络出版日期: 2014-04-06

Characteristics and genesis of low permeability reservoir of the first member of Fuyi Formation in Gaoyou Sag

  • LIZhuan ,
  • HE Youbin ,
  • XIAO Bin ,
  • WANG Zhenqi
Expand
  • 1. College of Resources and Environment, Southwest Petroleum University, Chengdu 610500, China; 2. Geological Logging Division, Sinopec Jiangsu Petroleum Exploration Bureau, Yangzhou 225002, Jiangsu, China

Online published: 2014-04-06

摘要

利用岩心、薄片和压汞等资料,通过统计、对比等方法得到苏北盆地高邮凹陷阜一段低渗透储层沉积相、岩石学和物性等特征以及储层低渗透的成因。 结果表明:阜一段储层主要为水下分流河道、河口坝砂岩储层,岩石类型以长石砂岩和长石岩屑砂岩为主,储层颗粒细、分选差、胶结物含量高,成分成熟度和结构成熟度低,整体上属于低孔、低渗储层;孔隙类型以粒间溶孔为主,其次为粒内溶孔、铸模孔,次生孔隙为阜一段储层的主要储集空间;沉积作用是导致储层低渗透的最基本因素,机械压实作用和胶结作用是导致储层低渗透的主要原因。 储层早期压实作用强,后期溶蚀作用相对较弱,晚期碳酸盐胶结较为发育,使得储层低渗透特征明显。

本文引用格式

李专 , 何幼斌 , 肖彬 , 王振奇 . 高邮凹陷阜一段低渗透储层特征及成因分析[J]. 岩性油气藏, 2014 , 26(2) : 47 -53 . DOI: 10.3969/j.issn.1673-8926.2014.02.008

Abstract

Based on the data of cores, thin sections and mercury penetration, this paper studied the characteristics of sedimentary facies, petrology, properties and genesis of low permeability reservoir of the first member of Fuyi Formation in Gaoyou Sag by using statistics and correlation method. The results show that the reservoir of the first member of Fuyi Formation formed in subaqueous distributary channel and mouth bar. The reservoir rock is mainly composed of fine grained feldspathic sandstone and feldspathic litharenite, they were poorly sorted, with high content of cements, and both the compositional maturity and textural maturity are low. The reservoir properties are poor, with low porosity and permeability. The pore types are mainly intergranular dissolved pores, followed by intragranular dissolved pores and mold pores. The main reservoir space is secondary pores. Deposition is the fundamental factor for causing the low permeability of the reservoir, and cementation and strong compaction are the main factors for the low permeability. Because of the strong cementation during the early formation of reservoir, relatively weak dissolution in later period and more developmental carbonate cementation during the late diagenetic stage, the characteristics of low permeability reservoir is significant.

参考文献

[1] 王兴龙,邓宏文,穆贵鹏,等.浅析低渗透砂岩储层特征与形成机理[J].岩性油气藏,2012,24(3):56-60.
[2] 傅强,纪友亮,刘玉瑞,等.苏北盆地高邮凹陷古近系阜宁组储层动力学特征[J].天然气工业,2007,27(7):31-34.
[3] 张金亮,刘宝珺,毛凤鸣,等.苏北盆地高邮凹陷北斜坡阜宁组成岩作用及储层特征[J].石油学报,2003,24(2):43-49.
[4] 施振飞,张振城,叶绍东,等.苏北盆地高邮凹陷阜宁组储层次生孔隙成因机制探讨[J].沉积学报,2005,23(3):429-436.
[5] 王路,陆梅娟,毕天卓.高邮凹陷阜三段砂岩储层控制因素分析[J].石油天然气学报,2013,35(2):45-49.
[6] 张以明,侯方浩,方少仙,等.冀中饶阳凹陷下第三系沙河街组第三段砂岩次生孔隙形成机制[J].石油与天然气地质,1994,15(3):208-215.
[7] 刘林玉,陈刚,柳益群,等.碎屑岩储集层溶蚀型次生孔隙发育的影响因素分析[J].沉积学报,1998,16(2):97 -101.
[8] 张龙海,周灿灿,刘国强,等.不同类型低孔低渗储集层的成因、物性差异及测井评价对策[J].石油勘探与开发,2007,34(6):702-710.
[9] 赵国泉,李凯明,赵海玲,等.鄂尔多斯盆地上古生界天然气储集层长石的溶蚀与次生孔隙的形成[J].石油勘探与开发,2005,32(1):53-55.
[10] Pittman E D. Relationship of porosity and permeability to various parameters derived from mercury injection—Capillary pressure curves for sandstone[J]. AAPG Bulletin,1992,76(2):191-198.
[11] 王卓飞,蒋宜勤,祝嗣全.准噶尔盆地侏罗系低渗透油气储层特征及成因探讨[J].断块油气田,2003,10(5):23-25.
[12] 周灿灿,李淑珣,周凤鸣,等.高柳地区新近系地层压力和温度对岩石物性的影响[J].石油勘探与开发,2003,30(1):105-108.
[13] 朱春俊,王延斌.大牛地气田低渗储层成因及评价[J].西南石油大学学报:自然科学版,2011,33(1):49-56.
[14] 刘爱永,陈刚,刘林玉.吐哈盆地三叠系砂岩的孔隙类型及次生孔隙形成机理探讨[J].石油实验地质,2002,24(4):345-347.
[15] 李义军.浅述次生孔隙的成因[J].西北地质,2002,35(1):65-69.
[16] 裘怿楠,薛叔浩.油气储层评价技术[M].北京:石油工业出版社,1994:26-60.
[17] Houseknecht D W. Assessing the relative importance of compaction processes and cementation to reduction of porosity in sandstones[J]. AAPG Bulletin,1987,71(6):633-642.
[18] Surdam R C,Boese S W,Crossey L J. The chemistry of secondary porosity[G]. AAPG Memoir 37,1984:127-149.
[19] Baccar M B,Fritz B.Geochemical modeling of sandstone diagenesis and its consequences on the evolution of porosity[J]. Applied Geochemistry,1993,8(3):285-297.
[20] Pittman E D. Recent advances in sandstone diagenesis[J]. Annual Review of Earth and Planetary Sciences,1979,7:39-62.
[21] 陈国俊,马宝林.塔里木盆地柯坪地区下二叠统的成岩作用及次生孔隙[J].沉积学报,1990,8(1):91-97.
[22] 杨宝星,李南豪,古世祥.松辽盆地北部深部储层的次生孔隙发育机制和控制因素[J].沉积学报,1991,9(4):34-42.
[23] 张金亮.盆地与油气藏研究[M].西安:西安地图出版社,2000:18-40.
[24] 曾大乾,李淑贞.中国低渗透砂岩储层类型及地质特征[J].石油学报,1994,15(1):38-46.
[25] 游国庆,潘家华,刘淑琴,等.东营凹陷古近系砂岩成岩作用与孔隙演化[J].岩石矿物学杂志,2006,25(3):237-242.
[26] 李红,柳益群,刘林玉.鄂尔多斯盆地延长组长81低渗透储层成岩作用[J].石油与天然气地质,2006,27(2):209-217.
文章导航

/