天然气地球科学

• 非常规天然气 • 上一篇    

富含气页岩储层超低含水饱和度成因及意义

方朝合,黄志龙,王巧智,郑德温,刘洪林   

  1. 1.中国石油大学(北京)油气资源与探测国家重点实验室,北京102249;
    2.国家能源页岩气研发(实验)中心,河北 廊坊 065007;
    3.中国石油集团非常规油气重点实验室,河北 廊坊 065007
  • 收稿日期:2013-06-18 修回日期:2013-09-06 出版日期:2014-03-10 发布日期:2014-03-10
  • 通讯作者: 方朝合fangch69@petrochina.com.cn. E-mail:fangch69@petrochina.com.cn.
  • 作者简介:方朝合(1976-),男,山东夏津人,工程师,博士研究生,主要从事非常规油气开发技术研究.E-mail:fangch69@petrochina.com.cn.
  • 基金资助:

    国家科技重大专项(编号:2011ZX05018)资助.

Cause and Significance of the Ultr-|low Water Saturation in Gas-enriched Shale Reservoir

FANG Chao-he,HUANG Zhi-long,WANG Qiao-zhi,ZHENG De-wen,LIU Hong-lin   

  1. 1.State Key Laboratory of Petroleum Resource and Prospecting,China University of Petroleum,Beijing 102249,China;
    2.National Energy Shale Gas R & D (Experiment) Center,Langfang 065007,China;
    3.Key Laboratory of Unconventional Oil & Gas,Langfang 065007,China
  • Received:2013-06-18 Revised:2013-09-06 Online:2014-03-10 Published:2014-03-10

摘要:

在页岩气开采过程中,需要对储层进行改造才能实现有效经济开采。目前北美和国内普遍采用的储层改造方法是水平钻完井结合大型水力压裂。开展入井流体与储层相互作用研究是提高储层改造成功的基础,而储层原始含水状态和成因研究则是开展上述工作的前提。通过对南方海相页岩储层研究发现,富含气页岩储层普遍存在超低含水饱和度现象,其成因主要有压实排水、生烃消耗和汽化携液排水等。超低含水饱和度增加了页岩吸附能力,延伸了可动孔喉范围,提高了气相渗透率,但在工程作业过程中加速了水相渗吸速率,强化了水相滞留效应,使页岩气藏水相圈闭损害潜力增大。在页岩气开发有利区评价、气藏改造及开发过程中,须加倍重视超低含水饱和度这一客观事实及其可能衍生的工程作业损害。

关键词: 页岩储层, 超低含水饱和度, 生烃, 水相圈闭

Abstract:

During the exploitation of shale gas,it is necessary to conduct reservoir reconstruction for the purpose of economic recovery.Workers in North America and China now adopt the method of combining drilling and completion of horizontal well with massive hydraulic fracturing,which needs enormous amount of water and sand.The interaction of these fluids and reservoir rocks lays the foundation for the success of reservoir reconstruction,whereas the initial water saturation of reservoirs and the understanding of causes of this state are premises of the method.With studies of the marine shale gas reservoirs in southern China,it is found that gas-enriched reservoir often has ultra-low water saturation,which is caused by hydrocarbon generation,consumption and evaporation,etc.Ultra-low water saturation improves adsorption capacity of shale,extends the movable pore throat radius,and increases the gas phase permeability.However,it also accelerates the water-base rates of adsorption and permeation,deteriorates water and hydrocarbon phase trapping problems,and brings more potential damages to aqueous phase trapping of shale gas.Under this circumstance,more attention needs to be paid to the negative effect of ultra-low water saturation and its work damage during the evaluation,reconstruction,and development of shale gas reservoirs.

Key words: Shale reservoir, Ultra-low water saturation, Hydrocarbon generation, Aqueous phase trappin

中图分类号: 

  • TE122.2
[1]Kleelan D K,Koepf E H.The role of cores and core analysis in evaluation of formation damage[J].Journal of Petroleum Technology,1977,295:482-490.

[2]You Lijun,Kang Yili,Chen Yijian,et al.Stress sensitivity of fractured tight gas sands in consideration of fractures and water saturation[J].Journal of China University of Petroleum:Edition of Natural Science,2006,30(2):59-63.[游利军,康毅力,陈一健,等.考虑裂缝和含水饱和度的致密砂岩应力敏感性[J].中国石油大学学报:自然科学版,2006,30(20):59-63.]

[3]Zhang Hao,Kang Yili,Chen Yijian,et al.Influence of the rock components and fractures on tight sandstone stress sensitivity [J].Natural Gas Industry,2004,24(7):55-57.[张浩,康毅力,陈一健,等.岩石组分和裂缝对致密砂岩应力敏感性的影响[J].天然气工业,2004,24(7):55-57.]

[4]Hu Yong,Shao Yang,Lu Yongliang,et al.Experimental study on occurrence models of water in pores and the influencing to the development of tight gas reservoir[J].Natural Gas Geoscience,2011,22(1):176-181.[胡勇,邵阳,陆永亮,等.低渗气藏储层孔隙中水的赋存模式及对气藏开发的影响[J].天然气地球科学,2011,22(1):176-181.]

[5]You Lijun.The Research on Dynamics of Aqueous Phase Trapping in Tight Sandstone Gas Reservoir[D].Chengdu:Southwest Petroleum University,2006.[游利军.致密砂岩气层水相圈闭损害动力学研究[D].成都:西南石油大学,2006.]

[6]Zhang Fengdong,Kang Yili,You Lijun,et al.Aqueous phase trapping damage models for fracture-pore tight sandstone gas reservoirs [J].Natural Gas Geoscience,2009,20(5):812-815.[张凤东,康毅力,游利军,等.裂缝—孔隙型致密砂岩气藏水相圈闭损害模式[J].天然气地球科学,2009,20(5):812-815.]

[7]You Lijun,Kang Yili.Effects of thermal treatment on physical property of tight rocks[J].Progress in Geophysics,2009,24(5):1850-1854.[游利军,康毅力.热处理对致密岩石物理性质的影响[J].地球物理学进展,2009,24(5):1850-1854.]

[8]Li Mingcheng,Li Jian.“Dynamic trap”:A main action of hydrocarbon charging to form accumulations in low permeability-tight reservoir[J].Acta Petrolei Sinica,2010,21(5):718-722.[李明诚,李剑.“动力圈闭”——低渗透致密储层中油气充注成藏的主要作用[J].石油学报,2010,21(5):718-722.]

[9]Bennion D B,Bietz R F,Thomas F B,et al.Reductions in the productivity of oil and low permeability gas reservoirs due to aqueous phase trapping[J].Journal of Canadian Petroleum Technology,1994,33(8):45-54.

[10]Bennion D B.Water and Hydrocarbon Phase Trapping in Porous Media:Diagnosis,Prevention and Treatment[C].Petroleum Society of CIM 46th ATM,1995.

[11]Zuluaga E,Monsalve Grondona J C.Experiments on water vapourization in porous media[J].Journal of Canadian Petroleum Technology,2003,42(7):7-8.

[12]Tang Yong,Du Zhimin.Types of  slope breaks in Erlian Basin and its control on sand-body of high-stand system tract[J].Journal of Southwest Petroleum University,2007,29(2):96-99.[汤勇,杜志敏.高温气藏近井带地层水蒸发和盐析研究[J].西南石油大学学报,2007,29(2):96-99.]

[13]Katz D L,Lundy C L.Absence of connate water in Michigan reef gas reservoirs:An analysis[J].AAPG Bulletin,1982,66 (1):91-98.

[14]Newsham K E,Rushing J A,Lasswell P M.Use of Vapor Desorption Data to Characterize High Capillary Pressure in a Basin-centered Gas Accumulation with Ultra-low Connate Water Saturations[C].SPE 84596.Denver,Colorado:SPE Annal Technical Conference and Exhibition,2003.

[15]Kang Yili,Luo Pingya,Xu Jin,et al.Employing both Damage Control and Stimulation:A Way to Successful Development for Tight Gas Sandstone Reservoirs[C].SPE 64707.Beijing:International Oil and Gas Conference and Exhibition in China,2000.

[16]Seewald J S.Organic-inorgainc interactions in petroleum-producing sedimentary basins[J].Nature,2003,426:327-323.

[17]Lewan M D.Experiments on the role of water in petroleum formation[J].Geochimica et Cosmochimica Acta,1997,61(17):3691-3723.

[18]Schimmelmann A,Lewan M D,Wintsch R P.D/H isotope ratios of kerogen,bitumen,oil and water in hydrous pyrolysis of source rocks containing kerogen typesⅠ,ⅡS,Ⅲ[J].Geochimica et Cosmochimica Acta,1999,63(22):3751-3766.

[19]Schimmelmann A,Boudou J P,Lewan M D,et al.Experimental controls on D/H and 13C/12C ratios of kerogen,bitumen and oil during hydrous pyrolysis[J].Organic Geochmistry,2001,32(8):1009-1018.

[20]Wang Xiaofeng,Liu Wenhui,Xu Yongchang,et al.Thermal simulation experiments on function of water in the organic matter in the formation of gaseous hydrocarbon evolution[J].Progress in Natural Science,2006,16(10):1275-1281.[王晓锋,刘文汇,徐永昌,等.水在有机质形成气态烃演化中作用的热模拟实验研究[J].自然科学进展,2006,16(10):1275-1281.]

[21]Liu Wenhui,Wang Wanchun.The organic (biogenic) and inorganic (non-biogenic) sources of hydrocarbons:Thought on theory of oil and gas formation[J].Bulletin of Mineralogy,Petrology and Geochemistry,2000,19(3):179-186.[刘文汇,王万春.烃类的有机(生物)与无机(非生物)来源——油气成因理论思考之二[J].矿物岩石地球化学通报,2000,19(3):179-186.]

[22]Cheng Xiaoling.Laws of clay mineral transformation and reservoir porosity evolution:A case study of Fu III Member of Taixing Oil Field in Subei Basin[J].Petroleum Geology & Oilfield Development in Daqing,2006,25(1):43-45.[程晓玲.粘土矿物转化与储层孔隙演化的规律性研究[J].大庆石油地质与开发,2006,25(1):43-45.]

[23]Mu Chengdong.A study on the phase-transformation of the bassanites during hydration[J].Journal of The Chinese Ceramic Society,2002,30(4):532-536.[牟成栋.半水石膏水化过程中的物相变化研究[J].硅酸盐学报,2002,30(4):532-536.]

[24]Zhang Hao,Kang Yili,Chen Yijian,et al.The study of geology course and experiment simulation for forming ultr-low water saturation in tight sandstones gas reservoirs[J].Natural Gas Geoscience,2005,16(2):186-189.[张浩,康毅力,陈一健,等.致密砂岩气藏超低含水饱和度形成地质过程及实验模拟研究[J].天然气地球科学,2005,16(2):186-189.]

[25]You Lijun,Kang Yili.New method of water saturation of tight gas:Spontanoeus imbibition[J].Journal of Southwest Petroleum Institute,2005,27(1):29-31.[游利军,康毅力.致密砂岩含水饱和度建立新方法——毛管自吸法[J].西南石油大学学报,2005,27(1):29-31.]



 
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