埕海油田火成岩分布特征——以埕海DD区块为例
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摘要
大港埕海油田埕海DD区块位于浅海地区,钻井资料相对较少,主要依靠地震资料来进行储层的预测。钻井资料显示该区发育连片的火成岩,在利用反演属性与地震属性方法未能准确识别火成岩范围的情况下,为了研究该区火成岩的分布特征,采用了相干体切片技术和变密度浮雕显示技术方法,即先识别火山通道再识别火成岩最后精细刻画火成岩分布范围。结合地震、测井、录井资料以及地质体切割率分析火山喷发时期、油气成藏模式后,研究结果表明研究区火成岩分布为受火山通道控制的条带状展布,火成岩对油气藏起到了遮挡圈闭的作用。通过对埕海DD区块火成岩分布特征的研究落实了埕海DD区块储层的边界,为研究区井网部署提供了重要的地质依据,降低了实施风险。
The Chenghai DD block of Dagang Chenghai oilfield is located in the shallow sea shoal,the drilling data are relatively sparse. So the reservoir prediction mainly relies on seismic data. The drilling data show that there are continuous igneous rocks in this area. In the case that the inversion attribute and seismic attribute method can not identify the range of igneous rock accurately. In order to study the distribution characteristics of igneous rocks in this area,coherent body slicing technique and density-varying relief display technique are adopted. Firstly,the volcanic conduit is identified,then the igneous rocks are identified. And finally the distribution range of igneous rocks is accurately described. Combined with seismic,logging and logging data as well as geological cutting rate analysis of volcanic eruption period and oil and gas accumulation model,the research results showed that the igneous rocks in the study area were distributed in bands controlled by volcanic conduit,and igneous rocks played the role of occlusion trap for oil and gas reservoirs. By studying the distribution characteristics of igneous rocks in Chenghai DD block,the boundary of the reservoir in Chenghai DD block is implemented,which provides important geological basis for the well network deployment in the study area and reduces the implementation risk.
The Chenghai DD block of Dagang Chenghai oilfield is located in the shallow sea shoal,the drilling data are relatively sparse. So the reservoir prediction mainly relies on seismic data. The drilling data show that there are continuous igneous rocks in this area. In the case that the inversion attribute and seismic attribute method can not identify the range of igneous rock accurately. In order to study the distribution characteristics of igneous rocks in this area,coherent body slicing technique and density-varying relief display technique are adopted. Firstly,the volcanic conduit is identified,then the igneous rocks are identified. And finally the distribution range of igneous rocks is accurately described. Combined with seismic,logging and logging data as well as geological cutting rate analysis of volcanic eruption period and oil and gas accumulation model,the research results showed that the igneous rocks in the study area were distributed in bands controlled by volcanic conduit,and igneous rocks played the role of occlusion trap for oil and gas reservoirs. By studying the distribution characteristics of igneous rocks in Chenghai DD block,the boundary of the reservoir in Chenghai DD block is implemented,which provides important geological basis for the well network deployment in the study area and reduces the implementation risk.
引文
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12 贾晨.徐家围子断陷构造特征研究[D].大庆:东北石油大学,2013Jia Chen. Research on structural feature in Xujiaweizi Fault Depression[D]. Daqing:Northeast Petroleum University,2013
13 张峤,吴时国.南海西北陆坡火成岩体地震识别及分布规律[J].大地构造与成矿学,2014,38(4):919-938Zhang Jiao,Wu Shiguo. Such as the northwest slope of the south China sea earthquake of igneous rock bodies and distribution[J].Journal of Geotectonics and Metallogeny,2014,38(4):919-938
14 张兆臣,李凡华.大港油田埕海一区馆陶组剩余油分布规律研究[J].科学技术与工程,2011,11(5):953-957Zhang Zhaochen,Li Fanhua. Study of the remaining oil distribution of Guantao formation in district 1 of Dagang oilfield[J]. Science Technology and Engineering,2011,11(5):953-957
15 贾玉梅,窦松江,杜艳蕾,等.埕海油田不同沉积储层砂体精细预测研究——以埕海一区庄海8断块为例[J].天然气地质学,2011,22(5):815-820Jia Yumei,Dou Songjiang,Du Yanlei,et al. Fine prediction for sand bodies of different sedimentary reservoirs in Chenghai oilfield:A case on Zhuanghai 8 block of Chenghai oilfield I area[J]. Natural Gas Geology,2011,22(5):815-820
2 汤鸿伟,康孔跃,杨伟,等.西昆仑胜利桥一带晚三叠世侵入岩年代学、岩石地球化学特征及其地质意义[J].科学技术与工程,2017,17(15):1-11Tang Hongwei,Kang Kongyue,Yang Wei,et al. Geochronology,geochemistry and geological implication of the late Triassic intrusive rocks from Shengliqiao erea of western Kunlun[J]. Science Technology and Engineering,2017,17(15):1-11
3 卢志远,张晓黎,蒋庆平,等.准噶尔盆地东部石炭系火山岩储层特征[J].科学技术与工程,2017,17(35):217-221Lu Zhiyuan,Zhang Xiaoli,Jiang Qingping,et al. Characteristics of the carboniferous volcanic reservoirs in the eastern Junggar Basin[J].Science Technology and Engineering,2017,17(35):217-221
4 李根军,郭勇,韩建华,等.青海黑刺沟地区构造蚀变岩型金矿遥感地质特征及外围找矿预测[J].科学技术与工程,2017,17(23):18-25Li Genjun,Guo Yong,Han Jianhua,et al. The periphery prospecting prediction and remote sensing geological characteristics of tectonic altered rock type gold deposit of the Heicigou area in Qinghai province[J]. Science Technology and Engineering,2017,17(23):18-25
5 江怀友,鞠斌山,江良冀,等.世界火成岩油气勘探开发现状与展望[J].特种油气藏,2011,18(2):1-6Jiang Huaiyou,Ju Binshan,Jiang Liangji,et al. Present situation and prospect of igneous oil and gas exploration and development in the world[J]. Special Oil&Gas Reservoirs,2011,18(2):1-6
6 马楠,周继宏,蔡伟祥.火成岩储层测井评价方法综述与展望[J].能源与环保,2017,39(2):24-31Ma Nan,Zhou Jihong,Cai Weixiang. Review and prospect of well logging evaluation methods for igneous reservoirs[J]. Energy and Environmental Protection,2017,39(2):24-31
7 王泽华,朱筱敏,孙中春,等.测井资料用于盆地中火成岩岩性识别及岩相划分:以准噶尔盆地为例[J].地学前缘,2015,22(3):254-268Wang Zehua,Zhu Xiaomin,Sun Zhongchun,et al. Lithology identification and lithofacies division of middle igneous rocks using logging data:a case study of junggar basin[J]. Frontiers of Geology,2015,22(3):254-268
8 王志国.徐家围子断陷安达地区营城组火山岩喷发其次及其形成演化规律[J].世界地质,2014,33(2):247-254Wang Zhiguo. Volcanic eruption stages and formation-evolutionary rule in Yingcheng formation of Anda area in Xujiaweizi fault depression[J]. Global Geology,2014,33(2):247-254
9 涂广红.利用场源边缘检测方法研究北黄海某盆地火成岩分布特征[J].地球物理学进展,2014,29(6):2927-2934Tu Guanghong. Application of the edge detecting of the potential field in igneous rocks distribution of one basin in north Huanghai[J]. Progress in Geohysics,2014,29(6):2927-2934
10 董丽欣,郭建斌.松辽盆地北部深层火山岩岩性识别方法与应用[J].国外测井技术,2011(5):24-27Dong Lixin,Guo Jianbin. Lithology identification method and application of deep volcanic rocks in northern Songliao basin[J]. Foreign Logging Technology,2011(5):24-27
11 姜亚辉.松辽盆地北部深层中基性火成岩特征研究[J].内蒙古石油化工,2014(8):140-141Jiang Yahui,Study on the characteristics of the deep middle basic igneous rocks in the northern Songliao Basin[J]. Inner Mongolia Petrochemical Industry,2014(8):140-141
12 贾晨.徐家围子断陷构造特征研究[D].大庆:东北石油大学,2013Jia Chen. Research on structural feature in Xujiaweizi Fault Depression[D]. Daqing:Northeast Petroleum University,2013
13 张峤,吴时国.南海西北陆坡火成岩体地震识别及分布规律[J].大地构造与成矿学,2014,38(4):919-938Zhang Jiao,Wu Shiguo. Such as the northwest slope of the south China sea earthquake of igneous rock bodies and distribution[J].Journal of Geotectonics and Metallogeny,2014,38(4):919-938
14 张兆臣,李凡华.大港油田埕海一区馆陶组剩余油分布规律研究[J].科学技术与工程,2011,11(5):953-957Zhang Zhaochen,Li Fanhua. Study of the remaining oil distribution of Guantao formation in district 1 of Dagang oilfield[J]. Science Technology and Engineering,2011,11(5):953-957
15 贾玉梅,窦松江,杜艳蕾,等.埕海油田不同沉积储层砂体精细预测研究——以埕海一区庄海8断块为例[J].天然气地质学,2011,22(5):815-820Jia Yumei,Dou Songjiang,Du Yanlei,et al. Fine prediction for sand bodies of different sedimentary reservoirs in Chenghai oilfield:A case on Zhuanghai 8 block of Chenghai oilfield I area[J]. Natural Gas Geology,2011,22(5):815-820
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