塔河油田寒武系台缘大型建隆地质属性
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摘要
塔河油田位于新疆塔里木盆地北部沙雅隆起南翼阿克库勒凸起上,是中石化储、产量增长的重要基地。2004年中石化西北分公司在九联片地震解释中发现寒武系大型建隆线索。建隆地质属性的确定对于下一步勘探和长远部署具有重要意义。通过对寒武纪造礁生物的分析、实例研究和建隆沉积环境的分析,特别是建隆与火山岩、盐岩体的地球物理特征对比,排除了建隆是盐岩和火山岩的可能,其地球物理特征与已证实为生物礁体可以类比,推测,该建隆是生物礁的可能性很大。
Tahe oilfield,located in Akekule swell of south flank of Shaya uplift in northern Tarim basin,is an important base for incremental reserves and production of Sinopec.In 2004,the clue of Cambrian large-scale build-up was found by Northwest Branch during nine-block seismic interpretation.The determination of the geologic attribute of this build-up is of great significance for the next-step exploration and its long-term deployment.This paper excludes the possibility that the build-up could be salt and volcanic rocks by the analysis of Cambrian reef-building organisms,the case study and the evaluation of sedimentary environment of the build-up,especially by the correlation of geophysical characteristics between the build-up and the volcano and salt body.The analogue from these geophysical characteristics and proved organic reef suggests that this build-up may likely be a bioherm.
Tahe oilfield,located in Akekule swell of south flank of Shaya uplift in northern Tarim basin,is an important base for incremental reserves and production of Sinopec.In 2004,the clue of Cambrian large-scale build-up was found by Northwest Branch during nine-block seismic interpretation.The determination of the geologic attribute of this build-up is of great significance for the next-step exploration and its long-term deployment.This paper excludes the possibility that the build-up could be salt and volcanic rocks by the analysis of Cambrian reef-building organisms,the case study and the evaluation of sedimentary environment of the build-up,especially by the correlation of geophysical characteristics between the build-up and the volcano and salt body.The analogue from these geophysical characteristics and proved organic reef suggests that this build-up may likely be a bioherm.
引文
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[2]巩恩普,韩书和.河北柳江盆地中晚寒武世藻类丘礁的演化[J.]沉积学报,1995,13(1):75-81.
[3]金善火橘,菊天吟,杨达铨,等.浅析造礁生物演化及生物绝灭事件对礁丘发育的控制作用[J.]浙江地质,1996,12(1):33-38.
[4]张俊明,袁克兴.湖北宜昌王家坪下寒武统天河板组古杯、礁丘及其成岩作用[J.]地质科学,1994,29(3):236-245.
[5]郑荣才,曾允孚.湘西渔塘早寒武世生物礁沉积相特征[J.]沉积学报,1988,6(2):61-66.
[6]李光,吴庆波.湘西北早奥陶世南津关组生物丘(礁)及其形成环境[J.]地层学,2001,25(1):48-50.
[7]胡明毅,朱忠德,贺萍,等.轮南巴楚地区奥陶系生物礁储层特征[J.]石油与天然气地质,2002,23(2):179-182.
[8]肖传桃,蒋维东,刘岭山,等.塔北轮南地区晚奥陶世粉屑岩隆礁研究[J.]新疆石油地质,1988,9(1):54-57.
[9]肖传桃,刘岭山,罗传容,等.塔里木盆地轮南地区奥陶纪生物礁古生态特征[J.]新疆石油地质1,9951,6(1):38-42.
[10]顾家裕,方辉,蒋凌志,等.塔里木盆地奥陶系生物礁的发现及其意义[J.]石油勘探与开发2,001,28(4):1-3.
[11]孔金平,刘效曾.塔里木盆地塔中5井下奥陶统隐藻类生物礁[J.]新疆石油地质,1998,19(3):221-224.
[12]欧阳睿,焦存礼,白利华,等.塔里木盆地塔中地区生物礁特征及分布[J.]石油勘探与开发,2003,30(2):33-36.
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