天然气地球科学

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页岩储层含气性评价及影响因素分析——以长宁—威远国家级试验区为例

  

  1. 中国石油西南油气田勘探开发研究院,四川 成都 610041
  • 收稿日期:2013-12-17 修回日期:2014-03-21 出版日期:2014-10-10 发布日期:2014-10-10
  • 作者简介:李武广(1987-),男,甘肃庆阳人,工程师,博士,主要从事页岩气开发研究. E-mail:liwuguang@petrochina.com.cn.
  • 基金资助:
    国家科技重大专项“南方海相页岩气开采试验”(编号:2012ZX05018-006)资助.
     

Evaluation of Gas-bearing Property for Shale Reservoir and Its Influence Factors Analysis:Taking Changning-Weiyuan National Experimental Zone as an Example

  1. Exploration and Development Institute of Southwest Oil & Gas Field Company,PetroChina,Chengdu 610041,China
  • Received:2013-12-17 Revised:2014-03-21 Online:2014-10-10 Published:2014-10-10

摘要:

页岩储层含气性评价及影响因素分析是对页岩气井进行科学管理、提高页岩气田开发效果的一项重要研究工作。依据长宁—威远国家级页岩气试验区实际资料,建立了一套直接利用特征属性参数数据定量的进行页岩储层含气性评价及页岩含气量的影响因素分析的技术方法,实现了多口井多个层位的气层自动划分和影响因素的定量分析。采用聚合聚类法和多组判别法,把页岩气层划分为Ⅰ类、Ⅱ类和Ⅲ类,对这3个类别的气层建立了判别函数,并利用多元统计复相关原理进行了影响因素分析。分析认为:Ⅰ类气层属于基质性页岩气层,Ⅱ类气层属于裂缝比较发育性气层,Ⅲ类气层属于裂缝一般发育性气层,判别函数可对新未知类型页岩气层自动进行识别。影响页岩含气量的最主要因素包括游离气含量、孔隙度、有机碳含量、渗透率和吸附气含量,而脆性矿物含量、埋深和厚度对页岩含气量有比较小的影响。
 

关键词: 页岩气, 含气性评价, 裂缝性气层, 有机碳含量, 影响因素

Abstract:

Evaluation of gas-bearing property for shale reservoir and its influence factors analysis were important research.It helps to manage the shale gas wells scientifically and to improve the effect of shale gas field development.With field data of Changning-Weiyuan national experimental area,a new technique was constructed to evaluate the gas-bearing property of shale reservoir and to analyze its influence factors.We launched quantitative analysis by using the feature attributes data.The technique could automatically divide the gas formation into different layers for multiple gas wells and launch the quantitative analysis of influencing factors.By using the aggregation clustering method and multiple discriminal method,the shale gas reservoirs were divided into three types,typeⅠ,Ⅱand Ⅲ.Discriminant functions were established for these three class gas reservoirs.The influencing factors were analyzed by using multivariate statistical multiplexing principle.The analysis results showed that the gas reservoirs of typeⅠwere matrix-based shale gas layers,the gas reservoirs of typeⅡwere fracture-based shale gas layers,the gas reservoirs of type Ⅲ had less fractures than typeⅡ.The discriminant functions could automatically identify the unknown types of shale gas reservoirs.The main factors influencing the gas content of shale included content of free gas,porosity,content of organic carbon,permeability and content of absorbed gas.The brittle mineral content,burial depth and thickness had a relatively small effect on the gas content of shale.
 

Key words: Shale gas, Evaluation of gas-bearing property, Fracture-based gas layers, The content of organic carbon, Influencing factors

中图分类号: 

  • TE132.2
[1]Yan Cunzhang,Huang Yuzhen,Ge Chunmei ,et al.Shale gas:Enormous potential of unconventional natural gas resources[J].Natural Gas Industry,2009,35(5):79-83.[闫存章,黄玉珍,葛春梅,等.页岩气是潜力巨大的非常规天然气资源[J].天然气工业,2009,35(5):79-83.]
[2]Macqusker J,Davies S.Lithofacies Variability in Finegrained Mixed Clastic Carbonate Successions:Implications for Identifying Shale Gas Reservoirs[C].San Antonio,Texas:AAPG Aannual Convention,2008:20-23.
[3]Zhu Yanming,Chen Shangbin,Fang Junhua ,et al.The geologic background of the Siluric shale-gas reservoiring in Szechwan,China[J].Journal of China Coal Society,2010,35(7):1160-1164.[朱炎铭,陈尚斌,方俊华,等.四川地区志留系页岩气成藏的地质背景[J].煤炭学报,2010,35(7):1160-1164.]
[4]Li Wuguang,Yang Shenglai,Yin Dandan ,et al.Development technology and strategy of shale gas[J].Natural Gas and Oil,2011,29(1):34-37.[李武广,杨胜来,殷丹丹,等.页岩气开发技术与策略综述[J].天然气与石油,2011,29(1):34-37.]
[5]Li Yanjun,Liu Huan,Liu Jiaxia ,et al.Geological regional selection and an evaluation method of resource potential of shale gas[J].Journal of Southwest Petroleum University:Science & Technology Edition,2011,33(2):28-34.[李延均,刘欢,刘家霞,等.页岩气地质选区及资源潜力评价方法[J].西南石油大学学报:自然科学版,2011,33(2):28-34.]
[6]Xiong Wei,Guo Wei,Liu Honglin ,et al.Shale reservoir characteristics and isothermal adsorption properties[J].Natural Gas Industry,2010,32(1):1-4.[熊伟,郭为,刘洪林,等.页岩的储层特征以及等温吸附特征[J].天然气工业,2010,32(1):1-4.]
[7]Javadpour F,Fisher D,Unsworth M.Nanoscale gas flow in shale gas sediments [J].JCPT,2007,46(10):55-61.
[8]Zou Caineng,Dong Dazhong,Wang Shejiao ,et al.Geological characteristics,formation mechanism and resource potential of shale gas in China[J].Petroleum Exploration and Development,2010,37(6):641-653.[邹才能,董大忠,王社教,等.中国页岩气形成机理、地质特征及资源潜力[J].石油勘探与开发,2010,37(6):641-653.]
[9]Wang Pengwan,Chen Ziliao,He Xunyun ,et al.Accumulation of Lower Cambrian Niutitang shale gas and prediction of potential area in Qiannan Sag[J].Natural Gas Geoscience,2011,22(3):518-523.[王鹏万,陈子炓,贺训云,等.黔南坳陷下寒武统页岩气成藏条件与有利区带评价[J].天然气地球科学,2011,22(3):518-523.]
[10]Li Wuguang,Yang Shenglai,Xu Jing ,et al.An new calculation model of shale adsorptive gas content with considering the formation temperature and pressure[J].Natural Gas Geoscience,2012,23(4):791-796.[李武广,杨胜来,徐晶,等.考虑地层温度和压力的页岩吸附气含量计算新模型[J].天然气地球科学,2012,23(4):791-796.]
[11]Zhang Jinchuan,Jin Zhiyun,Yuan Mingsheng.Reservoiring mechanism of shale gas and its distribution[J].Natural Gas Industry,2004,24(7):15-18.[张金川,金之钧,袁明生.页岩气成藏机理和分布[J].天然气工业,2004,24(7):15-18.]
[12]Chen Shangbin,Zhu Yanming,Wang Hongyan ,et al.Structure characteristics and accumulation significance of nanopores in Longmaxi shale gas reservoir in the southern Sichuan Basin[J].Journal of China Coal Society,2012,37(3):438-444.[陈尚斌,朱炎铭,王红岩,等.川南龙马溪组页岩气储层纳米孔隙结构特征及其成藏意义[J].煤炭学报,2012,37(3):438-444.]
[13]Dong Dazhong,Cheng Keming,Wang Shiqian ,et al.An evaluation method of shale gas resource and its application in the Sichuan Basin[J].Natural Gas Industry,2009,29(5):33-40.[董大忠,程克明,王世谦,等.页岩气资源评价方法及其在四川盆地的应用[J].天然气工业,2009,29(5):33-40.]
[14]Wang Feiyu,He Zhiyong,Meng Xiaohui ,et al.Occurrence of shale gas and prediction of original gas In-place(OGIP)[J].Natural Gas Geoscience,2011,22(3):501-510.[王飞宇,贺志勇,孟晓辉,等.页岩气赋存形式和初始原地气量(OGIP)预测技术[J].天然气地球科学,2011,22(3):501-510.]
[15]Scott L,Daniel M,Kent A ,et al.Mississippian barnett shale,Fort worth basin,north-central Texas:Gas-shale play with multi-trillion cubic foot potentia[J].AAPG Bulletin,2005,89(2):155-175.
[16]Bowker K A.Barnett shale gas production Fort Worth Basin:Issues and discussion[J].AAPG Bulletin,2007,55(1):523-533.
[17]Nie Haikuan,Tang Xuan,Bian Ruikang.Controlling factors for shale gas accumulation and prediction of potential development area in shale gas reservoir of south China[J].Acta Petrolei Sinica,2009,30(4):484-491.[聂海宽,唐玄,边瑞康.页岩气成藏控制因素及中国南方页岩气发育有利区预测[J].石油学报,2009,30(4):484-491.]
[18]Li Wuguang,Yang Shenglai.An optimal system and evaluation methods of ranking shale gas development propective zones[J].Natural Gas Industry,2011,31(4):59-62.[李武广,杨胜来.页岩气开发目标区优选体系与评价方法[J].天然气工业,2011,31(4):59-62.]
[19]Zhang Haiquan,Yu Qian,Li Yuxi ,et al.Explorative prospect of shale gas of Lower Silurian in Middle-Upper Yangtze area[J].Xinjiang Petroleum Geology,2011,32(4):353-355.[张海全,余谦,李玉喜,等.中上扬子区下志留统页岩气勘探潜力[J].新疆石油地质,2011,32(4):353-355.]
[20]Long Pengpu,Zhang Jinchuan,Tang Xuan ,et al.Feature of muddy shale fissure and its effect for shale gas exploration and development[J].Natural Gas Geoscience,2011,22(3):525-531.[龙鹏宇,张金川,唐玄,等.泥页岩裂缝发育特征及其对页岩气勘探和开发的影响[J].天然气地球科学,2011,22(3):525-531.]
 
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