Tight sandstone reservoir has low porosity,low permeability and strong heterogeneity,therefore reservoir quality is the main risk in exploration.In this paper,research on effects of petrology and cementation on the quality of different types of tight sandstone reservoirs in the He 8 member of Tianhuan area,Ordos Basin,is carried out by means of common casting thin sections,field-emission scanning electron microscope,and inclusion temperature analysis.So,this study is of great importance on potential gas reservoir explorations.The results show that quartz overgrowth,kaolinite and illite are the main cementation to control the quality of sandstone in the He 8 member,while ductile rock fragment is another key factor to influence the quality.The main pore types of quartz sandstone are secondary pores,and the reservoir quality is mainly controlled by quartz overgrowth,as well as development of kaolinite.The average permeability is 0.78×10-3μm2,while the porosity is 7.6%.The main pore type of lithic sandstone is intercrystal pore,and the reservoir turns into tight sandstone very early due to illite cementation and the high content of ductile rock fragment.The average porosity is 4.31%,while the permeability is 0.07×10-3μm2.The mineral component content of lithic quartz sandstones is between that of quartz sandstones and lithic sandstones.Early compaction and secondary pore development are the two main factors that controls the reservoir quality.The average porosity is 6.64% and the average permeability is 0.34×10-3μm2.
Gao Yang, Wang Zhi-zhang, Yi Shi-wei, She Yuan-qi, Lin Shi-guo, Li Ming-peng, Zhang Chun-lin,
. Mineral characteristic of rocks and its impact on the reservoir quality of He 8 tight sandstone of Tianhuan area,Ordos Basin[J]. Natural Gas Geoscience, 2019
, 30(3)
: 344
-352
.
DOI: 10.11764/j.issn.1672-1926.2018.12.009
［1］French M W，Worden R H，Mariani E，et al.Microcrystalline quartz generation and the preservation of porosity in sandstones:Evidence from the Upper Cretaceous of the Subhercynian Basin，Germany[J].Journal of Sedimentary Research，2012，82(7):422-434.
[2]Lai Jin，Wang Guiwen，Wang Shu’nan，et al.Research status and advances in the diagenetic facies of clastic reservoirs[J].Advances in Earth Science，2013，28(1):39-50.
赖锦，王贵文，王书南，等.碎屑岩储层成岩相研究现状及进展[J].地球科学进展，2013，28(1):39-50.
[3]Lin Chunming，Zhang Xia，Zhou Jian，et al.Diagenesis characteristics of the reservoir sandstones in Lower Shihezi Formation from Daniudi Gas Field,Ordos Basin[J].Advances in Farth Science,2011,26(2):212-223.
林春明，张霞，周健，等.鄂尔多斯盆地大牛地气田下石盒子组储层成岩作用特征[J].地球科学进展，2011,26 (2 ):212 -223.
[4]Luo Jinglan，Liu Xiushe，Fu Xiaoyan，et al.Impact of petrologic components and their diagenetic evolution on tight sandstone reservoir quality and gas field:A case study from He 8 gas-bearing reservoir of Upper Paleozoic in Northern Ordos Basin[J].Earth Science：Journal of China University of Geosciences，2014，39(5):537-545.
罗静兰,刘新社,付晓燕,等.岩石学组成及其成岩演化过程对致密砂岩储集质量与产能的影响——以鄂尔多斯盆地上古生界盒8天然气储层为例[J].地球科学：中国地质大学学报，2014,39(5):537-545.
[5]Yan Jianping，Liu Chiyang，Zhang Weigang，et al.Diagenetic characteristics of the lower porosity and permeability sandstones of the Upper Paleozoic in the south of Ordos Basin[J].Acta Geologica Sinice,2010,84(2):272-279.
闫建萍，刘池洋，张卫刚，等.鄂尔多斯盆地南部上古生界低孔低渗砂岩储层成岩作用特征研究[J].地质学报，2010，84 (2):272-279.
[6]Luo Jinglan，Wei Xinshan，Yao Jingli，et al.Provenance and depositional facies controlling on the Upper Paleozoic excellent natural gas-reservoir in northern Ordos Basin[J].China Geological Bulletin of China,2010,29(6):811-820.
罗静兰,魏新善,姚泾利,等.物源与沉积相对鄂尔多斯盆地北部上古生界天然气优质储层的控制[J].地质通报，2010，29 (6):811-820.
[7]Hou Mingcai，Dou Weitan，Chen Hongde，et al.Study on diagenesis of the 8th member and Shan1 member in north of the Sulige Gas Field，Ordos Basin[J].Mineral Petrol,2009,29(4):66-74.
侯明才，窦伟坦，陈洪德，等.鄂尔多斯盆地苏里格气田北部盒8段、山1段成岩作用及有利储层分布[J].矿物岩石，2009，29(4)：66-74.
[8]Wang Feng，Tian Jingchun，Li Fengjie，et al.Diagenesis of reservoirs in the Upper Paleozoic member 8 formation in the Sulige area[J].Journal of Lanzhou University:Natural Sciences,2009,45(4):18-29.
王峰，田景春，李凤杰，等.苏里格地区上古生界盒8储层成岩作用[J].兰州大学学报：自然科学版，2009，45(4)：18-29.
[9]Zhang Minglu，Da Shipan，Chen Tiaosheng,et al.Diageneses and pore evolution of P1h81 reservoir in Sulige Gas Field[J].Natural Gas Industry,2002,22(6):13-16.
张明禄，达世攀，陈调胜.苏里格气田二叠系盒８段储集层的成岩作用及孔隙演化[J].天然气工业，2002，22(6)：13-16.
[10]Zhu Xiaomin,Sun Chao,Liu Chenglin,et al.Reservoir diagenesis and fluid-rock interaction simulation of the Sulige Gas Field in the Ordos Basin[J].Geology in China,2007,34(2):276-282.
朱筱敏，孙超，刘成林，等.鄂尔多斯盆地苏里格地区储层成岩作用与模拟[J].中国地质,2007,34(2):276-282.
[11]Xu Lei,Yu Xinghe,Yang Yong,et al.Diagenesis and diagenetic facics of tight sandstone reservoirs in the 8th member of the Shihezi Formation,southern Sulige Gas Field[J].Natural Gas Industry,2012,32(7):15-22.
许磊，于兴河，杨勇，等.苏里格南部地区盒8段致密砂岩成岩作用及成岩相划分[J].天然气工业，2012,32(7):15-22.
[12]Li Deyong，Zhang Jinliang,Jiang Xiaodian，et al.Diagenesis and its effect on Dainan sandstone reservoir in Zhenwu-Caozhuang region of southern slope of Gaoyou Depression[J].Earth Science:Journal of China Univercity of Geosciences,2013,38(1):130-141.
李德勇，张金亮，姜效典，等.高邮凹陷南坡真武-曹庄地区戴南组砂岩成岩作用及其对储层性质的影响[J].地球科学：中国地质大学学报，2013,38(1)：130-141.
[13]Wu H,Ji Y L,Liu R E,et al.Pore structure and fractal characteristics of a tight gas sandstone:A case study of Sulige area in the Ordos Basin,China[J].Energy Exploration and Exploitation,2018,36(6):1438-1460.
[14]Cui Mingming,Wang Zongxiu,Fan Aiping,et al.Characteristic of formation water and gas-water relation in southwest Sulige Gas Field,Ordos Basin[J].Natural Gas Geoscience,2018,29(9):1364-1375.
崔明明，王宗秀，樊爱萍，等.鄂尔多斯盆地苏里格气田西南部地层水特征与气水关系[J].天然气地球科学，2018,29(9):1364-1375.
[15]Wilson M D，Pittman E D.Authigenic clays in sandstones:Recognition and influence on reservoir properties and paleoenvironmental analysis[J].Sediment,1997,47:3-31.
[16]Pollastro R M.Mineralogical and morphological evidence for the formation of illite at the expense of illite/smectite[J].Clays Clay Miner,1985,33:265-274.
[17]Qiu Yinan.Oil and Gas Reservoir Evaluation Technology[M].Beijing:Petroleum Industry Press,1997.
裘亦楠.油气储层评价技术[M].北京：石油工业出版社,1997.
[18]Liu Qinqin,Chen Guihua,Chen Xiaozhi,et al.Characteristic of provenance and its impact on reservoir quality of Upper Shihezi Formation,L block,Ordos Basin[J].Natural Gas Geoscience，2018,29(8):1094-1101.
刘琴琴，陈桂华，陈晓智，等，杨小峰鄂尔多斯盆地Ｌ地区上古生界上石盒子组物源特征及其对储层的控制作用[J].天然气地球科学，2018,29(8):1094-1101.
[19]Walderhaug O.Precipitation rates for quartz cement in sandstones determined by fluid-inclusion microthermometry and temperature-historymodeling[J].Jourmal of Sedimentary Research,1994,64(2):324-333.
[20]McBride E F.Quartz cement in sandstone:A review[J].Earth-Science Reviews，1989,26(2):69-112.
[21]Rezaee M R，Tingate P R.Origin of quartz cement in the Tirrawarra sandstone，Southern Cooper Basin，South Australia[J].Journal of Sedimentary Research,1997,67(1):168-177.
[22]Huang Sijing，Huang Peipei，Wang Qingdong,et al.The significance of cementation in porosity preservation in deep-buried sandstones[J].Lithologic Reservoirs,2007,19(3):7-13.
黄思静，黄培培，王庆东，等.胶结作用在深埋藏砂岩孔隙保存中的意义[J].岩性油气藏，2007，19(3):7-13.
[23]Liu Ruie,Wu Hao,Wei Xinshan,et al.Anomaly distribution and genesis of feldspar in the 8th member sandstone reservoir of Shihezi Formation,Permian,Ordos Basin[J].Journal of China Univercity of Mining and Technology，2017，46(1):96-105.
刘锐娥，吴浩，魏新善，等.砂岩储层中长石的异常分布及成因——以鄂尔多斯盆地二叠系石盒子组8段为例[J].中国矿业大学学报,2017,46(1):96-105.
[24]Srodon J.Mixed-layer illite-smectite in low-temperature diagenesis:Data from the Miocene of the Carpathian foredeep[J].Clay Miner,1984,19:205-215.
[25]Chang H，Mac Kenzie F T,SchoonmakerJ.Comparisons between the diagenesis of dioctahedral and trioctahedralsmectite,Brazilian offshore basins[J].Clays Clay Miner,1986,34:407-423.
[26]Ramseyer K,Boles J R.Mixed-layer illite/smectite minerals in Tertiary sandstones and shales,San Joaquin Basin,California[J].Clays Clay Miner,1986,34:115-124.
[27]Bjrlykke K，Jahren J.Sandstones and sandstone reservoirs[J]∥Petroleum Geoscience.Springer,Berlin,Heidelberg,2010:113-140.
[28]Huang K K，Huang S J,Lv J.Nature and diagenetic evolution of illite in the sandstone reservoirs of Taiyuan Formation，northeast Ordos Basin[J].Journal of Jilin University：Earth Science Edition,2012,42(2):43-52.
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