塔里木盆地塔中-巴楚地区侵入体温度场演化特征及其与油气储层的关系

doi:10.11743/ogg20090109

摘要/Abstract

摘要：

通过对塔中-巴楚地区奥陶系钻遇侵入体的岩石学、地球化学分析以及数值模拟等的详细研究,探讨了其热效应及对碳酸盐岩储层发育的影响。研究发现,塔中-巴楚地区碳酸盐岩中的层状侵入体为紫苏辉长岩和辉绿岩,紫苏辉长岩主要矿物有拉长石和紫苏辉石,副矿物有磷灰石等,辉绿岩主要矿物组合以单斜辉石和基性斜长石为主。地球化学分析表明,辉长岩的SiO₂含量介于44.58%～45.39%,K₂O+Na₂O含量为3.91%～4.67%,Na₂O/K₂O含量比为2.16～4.23,属碱性系列;稀土元素配分模式属轻稀土元素富集型,LaN/YbN比值为5.010～5.980,铕异常参数δEu值为0.910～1.002,Eu负异常很弱甚至没有Eu异常。塔中-巴楚地区层状侵入体热能传输理论模型与计算表明,层状侵入体温度的影响范围是有限的,侵入体对碳酸盐岩储层的热影响范围与其厚度密切相关,厚度越大影响范围越大。

关键词: 紫苏辉长岩, 辉绿岩, 热能传输模拟, 储层, 塔中-巴楚地区, 塔里木盆地

Abstract:

Through microscopic identification,geochemical analysis and numerical simulation of the intrusions penetrated in the Tazhong-Bachu area,the paper discusses their thermal effect and influences upon the development of carbonate reservoirs.The study indicates that the layered intrusions in the carbonate reservoirs in the area are mainly of hypersthene gabbro and dolerite.The former has labradorite and hyperite as the host minerals and apatite as the accessory mineral,while the later has a host mineral assemblage consisting mainly of clinopyroxene and basic plagioclase.Geochemical analysis shows that the gabbro from Well He-3 and He-4 belongs to alkaline series,with w(SiO₂)of 44.58%-45.39%,w(K₂O+Na₂O) of 3.91%-4.67%,and w(Na₂O)/w(K₂O) of 2.16%-4.23%.Its partitioning pattern of REE is of LREE enrichment type,with LaN/YbN ranging from 5.010 to 5.980,and δEu from 0.910 to 1.002,with very weak or even no negative Eu anomaly.The equation of heat conduction was used to calculate temperature profiles adjacent to the thin layered intrusions during the cooling processes.The result points out that these intrusions have limited range of thermal effect,which is closely related to the thickness of intrusions:the thicker,the bigger.

Key words: hypersthene gabbro, dolerite, heat conductive modeling, reservoir, Tazhong-Bachu area, Tarim Basin

中图分类号:

TE122.2

聂保锋,于炳松,刘永顺,等. 塔里木盆地塔中-巴楚地区侵入体温度场演化特征及其与油气储层的关系[J]. 石油与天然气地质, 2009, 30(1): 59-67,73. doi: 10.11743/ogg20090109 Nie Baofeng,Yu Bingsong,Liu Yongshun,et al. Relation between the evolution of temperature field of intrusions and the development of carbonate reservoirs in Tazhong-Bachu area,the Tarim Basin[J]. Oil & Gas Geology, 2009, 30(1): 59-67,73. doi: 10.11743/ogg20090109

参考文献

[1] 路凤香.深部地幔及深部流体[J].地学前缘,1996,3(4):181～186
[2] 金之钧,朱东亚,胡文瑄,等.塔里木盆地热液活动地质地球化学特征及其对储层影响[J].地质学报,2006,80(2):246～253
[3] 金之钧,张刘平,杨雷,等.沉积盆地深部流体的地球化学特征及油气成藏效应初探[J].地球科学,2002,27(6):659～665
[4] 李明诚.地壳中的热流体活动与油气运移[J].地学前缘,1995,2(3-4):155～162
[5] 吕修祥,杨宁,解启来,等.塔中地区深部流体对碳酸盐岩储层的改造作用[J].石油与天然气地质,2005,26(3):284～289
[6] 金之钧,胡文瑄,张剑平,等.深部流体活动及油气成藏效应[M].北京:科学出版社,2007.89～105
[7] Langhorne B S Jr,Graham R D.Structurally controlled hydrothermal alteration of carbonate reservoirs:introduction[J].AAPG Bulletin,2006,90(11):1 635-1 640
[8] 李开开,蔡春芳,蔡镠璐,等.塔中地区上奥陶统热液流体与热化学硫酸盐还原反应[J].石油与天然气地质,2008,29(2):217～222
[9] 陈汉林,杨树锋,董传万,等.塔里木盆地二叠纪基性岩带的厘定及其大地构造意义[J].地球化学,1997,26(6):77～87
[10] 杨树锋,厉之龙,陈汉林,等.塔里木盆地二叠纪石英正长斑岩岩墙的发现及其构造意义[J].岩石学报,2006,22(5):1 405～1 412
[11] 贾承造.中国塔里木盆地构造特征与油气[M].北京:石油工业出版社,1997.156～170
[12] 陈汉林,杨树锋,王清华,等.塔里木板块早-中二叠世玄武质岩浆作用的沉积响应[J].中国地质,2006,33(3):546～552
[13] 温声明,王建忠,王贵重,等.塔里木盆地火成岩发育特征及对油气成藏的影响[J].石油地球物理勘探,2005,40(增刊):33～39
[14] 朱毅秀,金之钧,林畅松,等.塔里木盆地塔中地区早二叠世岩浆岩及油气成藏关系[J].石油实验地质,2005,27(1):50～54
[15] 郭占谦,杨兴科.中国含油气盆地的多种生烃机制[J].石油与天然气地质,2000,21(1):50～52
[16] Lü X X,Yang H J,Xu S L,et al.Petroleum accumulation associated with volcanic activity in the Tarim Basin[J].Petroleum Science,2004,1(3):30-36
[17] 刘春晓,张晓花,刘建军.塔中地区火山岩与油气藏关系研究[J].断块油气田,2004,11(5):18～20
[18] 张景廉,金之钧,杨雷,等.塔里木盆地深部地质流体与油气藏的关系[J].新疆石油地质,2001,22(5):371～375
[19] 孙龙德,周新源,王国林.塔里木盆地石油地质研究新进展和油气勘探主攻方向[J].地质科学,2005,40(2):167～178
[20] 肖安成,杨树锋,李曰俊,等.塔里木盆地巴楚隆起断裂系统主要形成时代的新认识[J].地质科学,2005,40(2):291～302
[21] 吴茂炳,王毅,郑孟林,等.塔中地区奥陶纪碳酸盐岩热液岩溶及其对储层的影响[J].中国科学(D辑),2007,37(增刊Ⅰ):83～92
[22] Nabelek P I,Labotka T C,O'Neil J R,et al.Contrasting fluid/rock interaction between the Notch Peak granitic intrusion and argillites and limestones in western Utah:evidence from stable isotopes and phase assemblages[J].Contributions to Mineralogy and Petrology,1984,86:25-34
[23] 聂保锋,于炳松,朱金富.巴楚地区碳酸盐岩中深成侵入岩特征及其对储层发育的影响[J].地学前缘,2008,15(2):90～99
[24] Le Bas M J,Le Maitre R W,Streckeisen A,et al.A chemical classification of volcanic rocks based on the total alkali-silica diagram[J].Journal of Petrology,1986,27:745-750
[25] Sun S S,McDonough W F.Chemical and isotopic systematics of oceanic basalts:implications for mantle composition and processes[A].In:Saunders A D,Norry M J,eds.Magmatism in ocean basins[C].Geol Soc London Spec Pub,1989.313-345
[26] 李昌年.火成岩微量元素岩石学[M].武汉:中国地质大学出版社,1992.74～79
[27] Jaeger J C.Thermal effect of intrusions[J].Reviews of Geophy-sics,1964,2:443-466
[28] Morrison A D,Maczuga E D,Phinney C W,et al.Stratigraphy and petrology of the Mulcahy Lake layered gabbro an archean intrusion in the Wabigoon Subprovince,Ontario[J].Journal of Petrology,1986,27(2):303-341
[29] Rosenberg P E,Holland H D.Calcite-dolomite-magnesite stability relation in solution at elevated temperatures[J].Science,1964,145:700-701
[30] 杨宁,吕修祥,郑多明.塔里木盆地火成岩对碳酸盐岩储层的改造作用[J].西安石油大学学报(自然科学版),2005,20(4):1～4
[31] 于炳松,陈建强,林畅松.塔里木盆地奥陶系层序地层格架及其对碳酸盐岩储集体发育的控制[J].石油与天然气地质,2005,26(3):305～309
[32] 张涛,闫相宾,王恕一,等.塔河油田奥陶系一间房组礁滩相溶蚀孔隙型储层特征与成因[J].石油与天然气地质,2004,25(4):462～466
[33] Hutcheon I,Oldershaw A.The effect of hydrothermal reactions on the petrophysical properties of carbonate rocks[J].Bulletin of Canadian Petroleum Geology,1985,33(3):359-377
[34] Wilson J E M,Evans J M,Oxtoby H N,et al.Reservoir quality,textural evolution,and origin of fault-associated dolomites[J].AAPG Bulletin,2007,91(9):1 247-1 272
[35] Corbella M,Ayora C,Cardellach E.Dissolution of deep carbonate rocks by fluid mixing a discussion based on reactive transport modeling[J].Journal of Geochemical Exploration,2003,78-79:211-214
[36] Corbella M,Ayora C,Cardellach E,et al.Reactive transport modeling and hydrothermal karst genesis:the example of the Rocabruna barite deposit(Eastern Pyrenees)[J].Chemical Geology,2006,233:113-125