[1]王若谷,廖友运,尚 婷,等.苏里格气田东二区山西组砂岩储层特征及主控因素分析[J].西安科技大学学报,2016,(03):385-392.[doi:10.13800/j.cnki.xakjdxxb.2016.0315]
 WANG Ruo-gu,LIAO You-yun,SHANG Ting,et al.Controlling factors and characteristics of sandstone reservoir of Shanxi Formation in the East Ⅱ Block of Sulige Gas Field[J].Journal of Xi'an University of Science and Technology,2016,(03):385-392.[doi:10.13800/j.cnki.xakjdxxb.2016.0315]
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苏里格气田东二区山西组砂岩储层特征及主控因素分析(/HTML)
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2016年03期
页码:
385-392
栏目:
出版日期:
2016-06-30

文章信息/Info

Title:
Controlling factors and characteristics of sandstone reservoir of Shanxi Formation in the East Ⅱ Block of Sulige Gas Field
文章编号:
1672-9315(2016)03-0385-08
作者:
王若谷1廖友运2尚 婷1王 妍3
1.陕西延长石油(集团)有限责任公司研究院,陕西 西安 710069;
2.中国煤炭地质总局航测遥感局,陕西 西安 710054;
3.西安石油大学 石油工程学院,陕西 西安710065
Author(s):
WANG Ruo-gu1LIAO You-yun2SHANG Ting1WANG Yan3
1.Research Institute of Yanchang Petroleum(Group)Co.,Ltd.,Xi'an 710069,China;
2.Aerophotogramrntry and Remote Sensing of China Coal,Xi'an 710054,China;
3.College of Petroleum Engineering,Xi'an Shiyou University,Xi'an 710065,China
关键词:
储层特征 控制因素 山西组 苏里格气田东二区
Keywords:
reservoir characteristics controlling factor Shanxi Formation the East Ⅱ block of Sulige Gas Field
分类号:
TE 122.2+21
DOI:
10.13800/j.cnki.xakjdxxb.2016.0315
文献标志码:
A
摘要:
苏里格气田东二区是近年来开辟的勘探新区,山西组为其主力储集层之一,查明该区的储层特征及其控制因素具有重大意义。应用薄片鉴定、扫描电镜、高压压汞及核磁共振等资料,对山西组储层特征等进行了研究。结果表明山西组储层以岩屑砂岩、岩屑石英砂岩和石英砂岩为主,具成分成熟度中-高而结构成熟度中等的岩石学特点,储集空间以各类溶孔和晶间孔为主,孔喉差异大。山32段储层成分成熟度、结构成熟度均显著高于其余层位,孔隙结构非均质性最强。山西组储层为典型的低孔、特低渗储层,但山32段局部存在较好储集砂体。物源和沉积微相决定了储层砂岩的骨架成分和粒度特征,压实和胶结作用使储层物性明显变差,溶蚀作用使储层物性得到改善。相对优质储层多出现在石英含量高的粗粒边滩砂体中。
Abstract:
The east Ⅱ block of Sulige gas field is a new exploration area,and Shanxi Formation is one of its major reservoirs.So it's important to investigate the reservoir characteristics and controlling factors in this area.By means of microscope,SEM,high-pressure mercury penetration and NMR,the characteristics of Shanxi reservoir have been studied,and major influential factors of the reservoir performance have been analyzed.The result indicates that the main rock types of Shanxi reservoir are lithic sandstone,lithic quartzose sandstone and quartz sandstone with the character of mid-high compositional maturity and medium textural maturity.The pore types of reservoirs are solution pores and intracrystalline pore.There is huge variation between pore and throat.The compositional and textural maturity of Shan32 layer is much higher than other layers,meanwhile the pore structure heterogeneity of the Shan32 layer is the strongest.The Shanxi reservoir is a typical low porosity and ultra-low permeability reservoir,but better reservoir could be found in Shan32 layer.The frame composition and grain size of sandstones are determined by both provenance and sedimentary facies,while compassion and cementation lead poor reservoir's physical property,whereas secondary pores produced by dissolution result in the enhancement of reservoir property.The reservoirs with relatively high quality usually occur in coarse point bar sands with high content of quartz.

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备注/Memo

备注/Memo:
基金项目:中国地质调查局地质调查计划项目“鄂尔多斯盆地多种能源综合调查评价”(12120114009201)
通讯作者:王若谷(1985-),女,陕西渭南人,博士,工程师,E-mail:wrg_8922@163.com
更新日期/Last Update: 2016-05-15