黔北安页1井石牛栏组储层特征及压裂改造效果评价
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摘要
黔北安页1井首次在我国南方志留系石牛栏组取得发现和突破,石牛栏组地层为一套深水混积陆棚沉积地层,岩性以浅灰色灰岩夹钙质泥岩不等厚薄互层为主,储层厚度大,泥质含量高,层理缝较发育。本文在详细解剖其储层特征基础上提出针对该类储层的压裂改造思路,创新性应用了大规模体积压裂改造工艺,通过压后效果评价,总结石牛栏组储层压裂改造技术经验,对后期该层系的勘探开发具有重要指导意义。
Objectives: Anye-1 well made great discoveries and breakthroughs of Silurian Shiniulan Formation in South China for the first time. This paper want to evaluate the fracture effect of Shiniulan Formation in Anye-1 well,and to conclude the fracture technology experience to guide future exploration.Methods: After analysis the characteristics of Shiniulan Formation,we put forward many new reservoir reconstruction ideas such as the innovative application of large-scale volume fracturing technology. Through evaluate the fracturing curve and Fracture fitting,we give some reservoir fracture advices to such reservoir.Results: Shiniulan Formation is a deep-water mixed continental shelf sedimentary strata,the lithology mainlyis light gray limestone with calcareous mudstone interbedded unequal thickness. The thickness is thick with high shale content,and the bedding seams and natural fractures are developed. After big scale fracture,long and complex fractures were built so the gas production can get to more than 100 thousand cube meters per day.Conclusions: Through evaluate the reservoir and fracturing effect we can say that Shiniulan Formation is good reservoir stratum and the fracture technology is very effect in this area and can be applied in the future.
Objectives: Anye-1 well made great discoveries and breakthroughs of Silurian Shiniulan Formation in South China for the first time. This paper want to evaluate the fracture effect of Shiniulan Formation in Anye-1 well,and to conclude the fracture technology experience to guide future exploration.Methods: After analysis the characteristics of Shiniulan Formation,we put forward many new reservoir reconstruction ideas such as the innovative application of large-scale volume fracturing technology. Through evaluate the fracturing curve and Fracture fitting,we give some reservoir fracture advices to such reservoir.Results: Shiniulan Formation is a deep-water mixed continental shelf sedimentary strata,the lithology mainlyis light gray limestone with calcareous mudstone interbedded unequal thickness. The thickness is thick with high shale content,and the bedding seams and natural fractures are developed. After big scale fracture,long and complex fractures were built so the gas production can get to more than 100 thousand cube meters per day.Conclusions: Through evaluate the reservoir and fracturing effect we can say that Shiniulan Formation is good reservoir stratum and the fracture technology is very effect in this area and can be applied in the future.
引文
(The literature whose publishing year followed by a“&”is in Chinese with English abstract;the literature whose publishing year followed by a“#”is in Chinese without English abstract)
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Song fang,Niu Zhijun,He Yaoyan,Yang Wenqiang.2016&.U-Pb age of Detrital Zircon and its restriction of Provenance&Paleogeographic Characteristics of Early Nanhua Period in Middle Yangtze.ACTAGeologica Sinica,90(10):2661~2680.
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Tan Xianfeng,Li Zhijun,Jiang Yanxia,Li Jie,Li Hang.2014&.Sedimentary characteristics of bioherm in the Lower Silurian Shiniulan Formation,Southeastern Chongqing.Oil&Gas Geology,35(1):56~64.
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樊薝,邓胜徽,张学磊,张师本,卢远征,李鑫.2015.华南上扬子区中奥陶世(达瑞威尔期)十字铺组与牯牛潭组的划分与时空分布.地质论评.61(4):735~742.
付小东,秦建中,腾格尔.2008.四川盆地东南部海相层系优质烃源层评价---以丁山1井为例.石油实验地质,30(6):621~642.
郭英海,李壮福,李大华,张天模,汪泽成,余继峰,奚砚涛.2004.四川地区早志留世岩相古地理.古地理学报,6(1):20~29.
何利,谭钦银,王瑞华,王正和,程锦翔,宋春彦.2013.川东南早志留世石牛栏期沉积相、沉积模式及其演化.矿物岩石,33(4):96~106.
李双建,周雁,肖开华,沃玉进,汪新伟,刘全有.2009.四川盆地东南缘习水吼滩志留系古油藏特征.石油学报,30(6):849~855.
刘若冰,田景春,黄勇,魏志宏,万贤莉.2007.川东南震旦系灯影组白云岩与志留系石牛栏组灰岩储层特征.成都理工大学学报(自然科学版),34(3):245~250.
马东洲,陈洪德,朱利东,林良彪.2006.川南下志留统石牛栏组沉积体系与岩相古地理.成都理工大学学报(自然科学版),33(3):228~232.
马文辛,刘树根,黄文明,张长俊,徐国盛,袁海锋.2012.四川盆地东南缘志留系古油藏特征及其油气勘探意义.石油与天然气地质,33(3):432~441.
宋芳,牛志军,何篧砚,杨文强.2016.中扬子地区南华纪早期碎屑锆石U-Pb年龄及其对物源特征和古地理格局的约束.地质学报.90(10):2661~2680.
谭先锋,李志军,蒋艳霞,李航.2014.渝东南地区下志留统石牛栏组混合沉积作用及对生物礁发育的制约.油气地质与采收率,21(3):6~9.
谭先锋,李志军,蒋艳霞,李洁,李航.2014.渝东南地区下志留统石牛栏组生物礁沉积特征.石油与天然气地质,35(1):56~64.
万云,张廷山,兰光志,袁建新.1997.川东南-黔北地区志留纪生物礁与古环境演化.沉积学报,15(增刊):106~113.
汪正江,王剑,江新胜,孙海清,高天山,陈建书,邱艳生,杜秋定,邓奇,杨菲.2015.华南扬子地区新元古代地层划分对比研究新进展.地质论评.61(1):1~22.
王海军,孟宪武,梁子锐,李兴平.2016.川东南志留系石牛栏组生物礁特征与勘探方向.中国石油勘探,21(5):33~41.
王瑞华,谭钦银,付建元,程锦翔,王正和,何利,杨桂花,杨贵来.2013.川东南志留系石牛栏组生物礁沉积特征.沉积与特提斯地质,33(2):10~16.
王正和,谭钦银,何利,程锦翔,王瑞华.2013.川东南-黔北志留系石牛栏组沉积与层序地层.石油与天然气地质,34(4):499~507.
文玲,胡书毅,田海芹.2002.扬子地区志留纪岩相古地理与石油地质条件研究.石油勘探与开发,29(6):11~14.
肖开华.2009.中国南方志留系油气地质特征与勘探方向.天然气工业,29(11):1~4.
谢渊,丘东洲,王剑,汪正江,刘建清,余谦,李嵘,杨平,李旭兵.2012.雪峰山西侧盆山过渡带震旦系-下古生界油气远景区预测与评价.地质通报,31(11):1769~1780.
杨晓萍,张宝民,柳少波.2002.四川盆地南部志留系碳酸盐灰泥丘成因与储集性.海相油气地质,7(4):26~32.
周大志,李国蓉,罗鹏,张德民,汤鸿伟.2009.川东南志留系石牛栏组成岩作用研究.天然气技术,3(6):7~11.
周恳恳,许效松.2016.扬子陆块西部古隆起演化及其对郁南运动的反映.地质论评.62(5):1125~1132.
周希云.1983.贵州志留系床板珊瑚生物地层的初步研究.地质学报,57(4):347~357.
朱志军,陈洪德,林良彪,候明才,陈安清,钟怡江.2010.黔北-川东南志留系层序格架下的沉积体系演化特征及有利区带预测.沉积学报,28(2):243~253.
Fan Ru,Deng Shenghui,Zhang Xuelei,Zhang Shiben,Lu Yuanzheng,Li Xin.2015&.Middle Oedovician(Darriwilian)Shihtzupu(Shizipu)and Guniutan Formations in the Upper Yangtze region,South China.Geological Review.61(4)735~742.
Fu Xiaodong,Qin Jianzhong,Teng Geer.2008&.Evaluation on excellent marine hydrocarbon source layers in southeast area of the Sichuan Basin---an example from well D-1.Petroleum Geology&Experiment,30(6):621~642.
Guo Yinghai,Li Zhuangfu,Li Dahua,Zhang Tianmo,Wang Zecheng,Yu Jifeng,Xi Yantao.2004&.Lithofacies palaeogeography of the Early Silurian in Sichuan area.Journal of Palaeogeoraphy,6(1):20~29.
He Li,Tan Qinyin,Wang Ruihua,Wang Zhenghe,Cheng Jinxiang,Song Chunyan.2013&.Sedimentary facies,sedimentary model and evolution of the Shiniulan Formation of early Silurian in the Southeast Sichuan.Mineral Petrol,33(4):96~106.
Li Shuangjian,Zhou Yan,Xiao Kaihua,Wo Yujin,Wang Xinwei,Liu Quanyou.2009&.Characteristics of Silurian destroyed oil reservoir in Houtan section of Xishui area in southeastern margin of Sichuan Basin.Acta Petrolei Sinica,30(6):849~855.
Liu Ruobing,Tian Jingchun,Huang Yong,Wei Zhihong,Wan Xianli.2007&.Characteristics of the carbonate rock reservoir of the Upper Sinian Dengying Formation and the Lower Silurian Shiniulan Formation in the southeast of Sichuan,China.Journal of Chengdu University of Technology(Science&Technology Edition),34(3):245~250.
Ma Dongzhou,Chen Hongde,Zhu Lidong,Lin Liangbiao.2006&.Depoditional system and lithofacies and paleogeography of the Silurian Shiniulan Formation in the southern Sichuan Basin,China.Journal of Chengdu University of Technology(Science&Technology Edition),33(3):228~232.
Ma Wenxin,Liu Shugen,Huang Wenming,Zhang Changjun,Xu Guosheng,Yuan Haifeng.2012&.Characteristics of Silurian Paleooil reservoirs and their significance for petroleum exploration on the southeast margin of Sichuan Basin.Oil&Gas Geology,33(3):432~441.
Song fang,Niu Zhijun,He Yaoyan,Yang Wenqiang.2016&.U-Pb age of Detrital Zircon and its restriction of Provenance&Paleogeographic Characteristics of Early Nanhua Period in Middle Yangtze.ACTAGeologica Sinica,90(10):2661~2680.
Tan Xianfeng,Li Zhijun,Jiang Yanxia,Li Hang.2014&.Mixed sedimentation and constraints on reef of Shiniulan Formation in Lower Silurian,southeast of Chongqing.Petroleum Geology and Recovery Efficiency,21(3):6~9.
Tan Xianfeng,Li Zhijun,Jiang Yanxia,Li Jie,Li Hang.2014&.Sedimentary characteristics of bioherm in the Lower Silurian Shiniulan Formation,Southeastern Chongqing.Oil&Gas Geology,35(1):56~64.
Wan Yun,Zhang Tingshan,Lan Guangzhi,Yuan Jianxin.1997&.Silurian Reefs and Palaeoenvironment Evolution in ChuandongnanQianbei,China.Acta Sedimentologica Sinica,15(suppl.):106~113.
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