土库曼斯坦阿姆河盆地卡洛夫—牛津阶沉积相特征
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摘要
以岩心描述、薄片和古生物鉴定为依据,结合测井相和地震相特征和区域构造-沉积背景,对土库曼斯坦阿姆河盆地卡洛夫—牛津阶沉积相特征进行研究,确定该地层单元属于碳酸盐台地沉积体系,识别出蒸发台地、局限台地、开阔台地、台地边缘礁滩、前缘缓斜坡、盆地等6种沉积相类型。以连井沉积相剖面对比、沉积相平面分布特征和纵向演化分析为基础,进一步揭示出该盆地卡洛夫—牛津阶经历了台地前缘缓斜坡、台地边缘礁滩、开阔台地、局限台地、蒸发台地等交替发育构成多期次海进—海退旋回演化和"开放性宽缓型镶边缓斜坡台地"沉积模式。
Based on core observations,identification of thin sections and paleontology,in combination with logging facies,seismic faces and regional depositional background,the authors have reached the conclusion that Callovian-Oxfordian carbonates in Amu Darya basin of Turkmenistan are carbonate platform deposits.Six types of sedimentary facies can be recognized,i.e.,evaporative platform,restricted platform,open platform,platformedge reef-shoal,platform fore-edge slope and platform basin facies.According to the facies correlation sections of the wells as well as the plane distribution and vertical evolution of sedimentary facies,the authors revealed the evolution characteristics of Callovian-Oxfordian sedimentary facies.The sedimentary environment changed from platform edge ramp,platform-edge reef-shoal,open platform and restricted platform into evaporative platform in turn,which constituted the multi-phase transgressive-regressive cycles.Finally,the depositional model of "platform with open,rimmed and gently dipping slope" has been established.
Based on core observations,identification of thin sections and paleontology,in combination with logging facies,seismic faces and regional depositional background,the authors have reached the conclusion that Callovian-Oxfordian carbonates in Amu Darya basin of Turkmenistan are carbonate platform deposits.Six types of sedimentary facies can be recognized,i.e.,evaporative platform,restricted platform,open platform,platformedge reef-shoal,platform fore-edge slope and platform basin facies.According to the facies correlation sections of the wells as well as the plane distribution and vertical evolution of sedimentary facies,the authors revealed the evolution characteristics of Callovian-Oxfordian sedimentary facies.The sedimentary environment changed from platform edge ramp,platform-edge reef-shoal,open platform and restricted platform into evaporative platform in turn,which constituted the multi-phase transgressive-regressive cycles.Finally,the depositional model of "platform with open,rimmed and gently dipping slope" has been established.
引文
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[13]李浩武,童晓光,王素花,等.阿姆河盆地侏罗系成藏组合地质特征及勘探潜力[J].天然气工业,2011,30(5):6-12.Li Haowu,Tong Xiaoguang,Wang Suhua,et al.An analysis of geological characteristics and exploration potential of the Jurassic play,Amu Darya Basin[J].Natural Gas Industry,2011,30(5):6-12(in Chinese with English abstract).
[14]郑荣才,赵灿,刘合年,等.阿姆河盆地卡洛夫-牛津阶碳酸盐岩阴极发光性及其研究意义[J].成都理工大学学报(自然科学版),2010,37(4):377-385.Zheng Rongcai,Zhao Can,Liu Henian,et al.Cathodoluminescence and its significance of the Callovian-Oxfordian carbonate rocks in Amu Darya basin,Turkmenistan[J].Journal of Chengdu University of Technology(Science&Technology Edition),2010,37(4):377-385(in Chinese with English abstract).
[15]顾家裕,马锋,季丽丹.碳酸盐岩台地类型、特征及主控因素[J].古地理学报,2009,11(1):21-27 Gu Jiayu,Ma Feng,Ji Lidan.Types,characteristics and main controlling factors of carbonate platform[J].Journal of Palaeogeography,2009,11(1):21-27(in Chinese with English abstract).
[16]Tucker M E.Shallow-marine carbonate facies and faciesmodels[C]//Brenchley P J,Williams B P J(eds.).Sedimentology:Recent Developments and Applied Aspects.Spec.Publ.Geol.Soc.Lond.1985,18:139-161.
[2]安作相,胡征钦.中亚含油气地区[M].北京:石油工业出版社,1993.An Zouxiang,Hu Zhenqin(translator).Oil and Gas Area of Mid-Aisa[M].Beijing.Petroleum Industry Press,1993(in Chinese with English abstract).
[3]车自成,罗金海,刘良.中亚与中国西北地区含油气盆地基本类型及成因分析[J].地球学报,1997,18(2):113-121.Che Zicheng,Luo Jinhai,Liu Liang.The basic structure classification and genetic analyses of oil and gas-bearing basins in Central Asia and Northwestern China[J].Acta Geoscientia Sinica,1997,18(2):113-121(in Chinese with English abstract).
[4]贾承造,杨树锋,陈汉林,等.特提斯北缘盆地群构造地质与天然气[M].北京:石油工业出版社,2001:1-16,136-143.Jia Chengzao,Yang Shufeng,Chen Hanlin,et al.Structural Geology and Natural Gas in the Northern Magin Basin Group[M].Beijing:Petroleum Industry Press,2001:1-16,136-143(in Chinese with English abstract).
[5]丘东洲,谢渊,李晓清,等.亚洲特提斯域岩相古地理与油气聚集地质特征[J].海相油气地质,2009,14(2):41-50.Qiu Dongzhou,Xie Yuan,Li Xiaoqing,et al.Geological characteristics of lithofacies paleogeography and hydrocarbon accumulation in Asian Tethyan Tectonic Domain[J].Marine Origin Petroleum Geology,2009,14(2):41-50(in Chinese with English abstract).
[6]徐文世,刘秀联,余志清,等.中亚阿姆河含油气盆地构造特征[J].天然气地球科学,2009,20(5):744-748.Xu Wenshi,Liu Xiulian,Yu Zhiqing,et al.Geological structure of Amu-Darya Basin in Central Asia[J].Natural Gas Geoscience,2009,20(5):744-748(in Chinese with English abstract).
[7]Ulmishek G F.Petroleum geology and resources of the Amu-Darya Basin,Turkmenistan,Uzbekistan,Afghanistan,and Iran[R].USGS,2004:1-38.
[8]张志伟,何永垚,王春生,等.中亚地区阿姆河盆地查尔朱、布哈拉阶地叠构造特征及演化[J].海相油气地质,2010,15(4):48-56 Zhang Zhiwei,He Yongyao,Wang Chunsheng,et al.Structural characteristics and evolution of Chardzhou and Bukhara Terraces in Amu-Darya Basin,Middle Asia[J].Marine Origin Petroleum Geology,2010,15(4):48-56(in Chinese with English abstract).
[9]Thomas Meisel,Urs Krahenbuhl,Michael A.Nazarov.Combined osmium and strontium isotopic study of the Cretaceous-Tertiary boundary at Sumbar,Turkmenistan:A test for an impact vs.volcanic hypothesis[J].Geology,1995,(5):313-316.
[10]齐宝权,冉志兵,王学琴,等.阿姆河右岸区块石灰岩储层识别及流体性质判断[J].天然气工业,2011,30(5):21-25.Qi Baoquan,Ran Zhibing,Wang Xueqin,et al.Identification of limestone reservoirs and prediction of their fluid properties in the Amu Darya Right Bank Block,Turkmenistan[J].Natural Gas Industry,2011,30(5):21-25(in Chinese with English abstract).
[11]张兵,郑荣才,刘合年,等.土库曼斯坦萨曼杰佩气田卡洛夫-牛津阶碳酸盐岩储层特征[J].地质学报,2010,84(1):117-125.Zhang Bing,Zheng Rongcai,Liu Henian,et al.Characteristics of carbonate reservoir in Callovian-Oxfordian of Samandepe Gasfield,Turkmenistan[J].Acta Geologica Sinica,2010,84(1):117-125(in Chinese with English abstract).
[12]董霞,郑荣才,吴蕾,等.土库曼斯坦萨曼杰佩气田储层成岩作用与孔隙演化[J].岩性油气藏,2010,22(2):54-61.Dong Xia,Zheng Rongcai,Wu Lei,et al.Diagenesis and porosity evolution of carbonate reservoirs in Samandepe Gas Field,Turkmenistan[J].Lithologic Reservoirs,2010,22(2):54-61(in Chinese with English abstract).
[13]李浩武,童晓光,王素花,等.阿姆河盆地侏罗系成藏组合地质特征及勘探潜力[J].天然气工业,2011,30(5):6-12.Li Haowu,Tong Xiaoguang,Wang Suhua,et al.An analysis of geological characteristics and exploration potential of the Jurassic play,Amu Darya Basin[J].Natural Gas Industry,2011,30(5):6-12(in Chinese with English abstract).
[14]郑荣才,赵灿,刘合年,等.阿姆河盆地卡洛夫-牛津阶碳酸盐岩阴极发光性及其研究意义[J].成都理工大学学报(自然科学版),2010,37(4):377-385.Zheng Rongcai,Zhao Can,Liu Henian,et al.Cathodoluminescence and its significance of the Callovian-Oxfordian carbonate rocks in Amu Darya basin,Turkmenistan[J].Journal of Chengdu University of Technology(Science&Technology Edition),2010,37(4):377-385(in Chinese with English abstract).
[15]顾家裕,马锋,季丽丹.碳酸盐岩台地类型、特征及主控因素[J].古地理学报,2009,11(1):21-27 Gu Jiayu,Ma Feng,Ji Lidan.Types,characteristics and main controlling factors of carbonate platform[J].Journal of Palaeogeography,2009,11(1):21-27(in Chinese with English abstract).
[16]Tucker M E.Shallow-marine carbonate facies and faciesmodels[C]//Brenchley P J,Williams B P J(eds.).Sedimentology:Recent Developments and Applied Aspects.Spec.Publ.Geol.Soc.Lond.1985,18:139-161.
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