基于蚂蚁体的“相”控地质建模
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摘要
任丘潜山雾迷山组碳酸盐岩油藏具有构造断裂系统复杂、油藏纵横向各向异性强的特点,其储集空间复杂,由孔隙、裂缝及溶洞组成,储层的发育程度主要受裂缝控制.如果采用传统的方法建立该油藏的三维地质模型,即从测井解释的物性参数出发应用随机建模方法进行模拟,无法反映出油藏复杂缝洞系统的几何特性,所建模型不能很好地体现储层的展布特征.已有研究表明基于地震资料的蚂蚁属性体可以全面地展现油藏断裂系统的空间分布.因此,基于蚂蚁属性体与成像测井资料建立该油藏的"裂缝发育相",进而进行裂缝发育相控建模.储量及储层参数检验表明该方法建立的地质模型与实际更为吻合,突破了传统意义上的相控建模方法,对缝洞型碳酸盐岩储层的三维地质建模具有良好的推广作用.
Wumishan carbonate reservoir of Renqiu buried hill is of complex fault system and strong vertical and horizontal reservoir anisotropy.The reservoir space is composed of pores,fractures and dissolved holes,and the reservoir development is mainly controlled by fractures.Because of these reservoir characteristics,the 3D geological model established using the traditional modeling method based on the physical parameters of log interpretation cannot reflect the geometric features of the complicated fracture-cave system of the reservoir,and therefore it cannot well reflect the distribution characteristics of the reservoir.The studies show that the ant attribute body based on seismic data can fully display the spatial distribution of reservoir fault system.Therefore,"the fracture development facies" model of the reservoir based on the ant attribute body and the imaging logging data is established,and the fracture facies-controlled geological modeling of the reservoir based on the ant body is carried out.The examination of reserves and reservoir parameters shows that compared with traditional modeling method,the geological models established using the modeling method are more consistent with the practice.The fracture facies-controlled geological modeling method is suitable to the 3D geological modeling of the fracture-cave carbonate reservoir.
Wumishan carbonate reservoir of Renqiu buried hill is of complex fault system and strong vertical and horizontal reservoir anisotropy.The reservoir space is composed of pores,fractures and dissolved holes,and the reservoir development is mainly controlled by fractures.Because of these reservoir characteristics,the 3D geological model established using the traditional modeling method based on the physical parameters of log interpretation cannot reflect the geometric features of the complicated fracture-cave system of the reservoir,and therefore it cannot well reflect the distribution characteristics of the reservoir.The studies show that the ant attribute body based on seismic data can fully display the spatial distribution of reservoir fault system.Therefore,"the fracture development facies" model of the reservoir based on the ant attribute body and the imaging logging data is established,and the fracture facies-controlled geological modeling of the reservoir based on the ant body is carried out.The examination of reserves and reservoir parameters shows that compared with traditional modeling method,the geological models established using the modeling method are more consistent with the practice.The fracture facies-controlled geological modeling method is suitable to the 3D geological modeling of the fracture-cave carbonate reservoir.
引文
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[3]何辉,彭仕宓,唐海发.精细相控随机建模在洪积扇扇中砾岩油藏描述中的应用[J].西安石油大学学报:自然科学版,2009,24(1):17-20,109.HE Hui,PENG Shi-mi,TANG Hai-fa.Application of finefacies-constrained stochastic modeling in the descriptionof proluvial mid-fan conglomerate reservoir[J].Journal ofXi'an Shiyou University:Natural Science Edition,2009,24(1):17-20,109.
[4]周游,程时清,张敏.储层建模中变差函数参数的设置[J].西安石油大学学报:自然科学版,2010,25(5):25-27,32.ZHOU You,CHENG Shi-qing,ZHANG Min.Setting ofvariogram parameters in reservoir modeling[J].Journal ofXi'an Shiyou University:Natural Science Edition,2010,25(5):25-27,32.
[5]张团峰,王家华.利用储层随机模拟提高油藏数值模拟的效果[J].西安石油学院学报:自然科学版,1996,11(3):52-54.ZHANG Tuan-feng,WANG Jia-hua.Improving the resultsof numerical simulation of reservoir by using stochasticsimulation[J].Journal of Xi'an Shiyou University:NaturalScience Edition,1996,11(3):52-54.
[6]张淑娟,邵龙义,宋杰,等.相控建模技术在阿南油田阿11断块中的应用[J].石油勘探与开发,2008,204(3):355-361.ZHANG Shu-juan,SHAO Long-yi,SONG Jie,et al.Appli-cation of facies-controlled modeling technology to thefault-block A11 in a Anan oilfield[J].Petroleum Explora-tion and Development,2008,204(3):355-361.
[7]张振平.相控储层地质建模在西江302油田的应用[J].内江科技,2010,31(2):87,80.
[8]胡光义,古莉,王福利.礁灰岩特征和块状体储层建模方法探讨[J].岩性油气藏,2007,19(2):90-92,96.HU Guang-yi,GU Li,WANG Fu-li.REEF limestone fea-tures and modeling approach of massive reservoir[J].Northwest Oil&Gas Exploration,2007,19(2):90-92,96.
[9]胡望水.相控建模技术在濮城油田精细油藏描述中的应用[J].复杂油气藏,2010,3(1):47-49.HU Wang-shui.Application of modeling by control of res-ervoir facies for fine scale reservoir description of puchengoilfield[J].Small Hydrocarbon Reservoirs,2010,3(1):47-49.
[10]景成杰,胡望水,程超,等.相控建模技术在高台子油藏精细描述中的应用[J].石油天然气学报,2009,31(1):39-42.JING Cheng-jie,HU Wang-shui,CHENG Chao,et al.Ap-plication of stochastic modeling in fine reservoir descrip-tion of Gaotaizi reservoir[J].Journal of Oil and Gas Tech-nology,2009,31(1):39-42.
[11]陈松平,杨玉林,尚久宏.相控地质建模及在某油田中的应用[J].内蒙古石油化工,2008,34(19):42-43.CHEN Song-ping,YANG Yu-lin,SHANG Jiu-hong.Faci-es-controlled reservoir modeling and application of facies-controlled reservoir modeling inххoilfield[J].Inner Mon-gulia Petrochemical Industry,2008,34(19):42-43.
[12]程超.蚂蚁追踪技术在任丘潜山油藏的应用[J].西南石油大学学报:自然科学版,2010,32(2):48-52.CHENG Chao.The application of ant tracking technologyin Renqiu buried hill oil reservoir[J].Journal of South-west Petroleum University:Science&Technology Edition,2010,32(2):48-52.
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