太北开发区井震结合精细构造描述及应用
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摘要
太北开发区河道砂体发育规模小,钻遇率低,井网控制程度低,现井网条件下砂体预测精度低,断层认识精度低,单砂体注采关系不完善,开发效果差,开展井震结合精细油藏描述研究.井震结合构造认识成果表明:断层较以往认识结果相比变化较大,利用各类动静态资料分析断层的描述精度,认为井震结合断层描述精度高;井震结合微幅度构造描述更加精细,通过油水井的生产动态变化,研究微幅度构造对开发效果的影响;应用井震结合成果及多学科油藏研究成果,分析断层变化井区的剩余油,指导断层变化井区的补充井布井、注采系统调整及油田外扩调整,均取得较好效果.
The developing scale of channel sand body in the Taibei Development Zone is small.The drilling rate is low.The well pattern control degree,the prediction accuracy of sand body under the condition of current well pattern and the accuracy of fault recognition is low.However the injection-production relationship of single sand body is not perfect,the development effect is poor.So the research of fine reservoir description by well-seismic integration method is carried out.The result of structural understanding by well-seismic integration method indicates: the fault has larger changes than the recognition result in the past,and after the analysis of the description precision of fault by use of various types of dynamic and static data,consider that the description precision of fault by well-seismic integration method is high;the description of micro amplitude structure by well-seismic integration method is becoming more elaborate,through production dynamic change of oil well,study the influence of micro amplitude structure on development effect;using the result of the well-seismic integration and multidisciplinary reservoir study,analyze the remaining oil in area which the fault changed,guide the adjustment of additional well,well spacing and the injection-production system and the adjustment of oil expansion,achieve good result.
The developing scale of channel sand body in the Taibei Development Zone is small.The drilling rate is low.The well pattern control degree,the prediction accuracy of sand body under the condition of current well pattern and the accuracy of fault recognition is low.However the injection-production relationship of single sand body is not perfect,the development effect is poor.So the research of fine reservoir description by well-seismic integration method is carried out.The result of structural understanding by well-seismic integration method indicates: the fault has larger changes than the recognition result in the past,and after the analysis of the description precision of fault by use of various types of dynamic and static data,consider that the description precision of fault by well-seismic integration method is high;the description of micro amplitude structure by well-seismic integration method is becoming more elaborate,through production dynamic change of oil well,study the influence of micro amplitude structure on development effect;using the result of the well-seismic integration and multidisciplinary reservoir study,analyze the remaining oil in area which the fault changed,guide the adjustment of additional well,well spacing and the injection-production system and the adjustment of oil expansion,achieve good result.
引文
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[2]黄伟.大庆长垣高台子工区三维地震精细构造解释及储层预测[D].浙江:浙江大学,2010.
[3]张继成,宋考平.相对渗透率特征曲线及其应用[J].石油学报,2007,28(4):104-107.
[4]徐春华,侯加根,杨玉珍,等.用微构造分析的方法精细表征油藏[J].地质学刊,2011,35(4):369-374.
[5]Zhang Jicheng,Liu Li,Song Kaoping.Neural approach for calculating permeability of porous medium[J].Chinese Physics Letters,2006,23(4):1009-1011.
[6]曹磊,邢彩霞.三维地质建模方法在复杂断块油气藏研究中的应用[J].地质与资源,2011,20(2):141-144.
[7]贾建亮,刘招君,陈永成,等.测井-地震多属性密度曲线重构反演技术及应用[J].吉林大学学报:地球科学版,2010,40(3):699-706.
[8]王道远.杏北地区老地震资料再处理后井震结合研究与应用[D].浙江:浙江大学,2011.
[9]路中奇,温友建,杨宝华.井震结合储层精细描述在水平井设计中的应用[J].科学技术与工程,2010,12(4):887-888.
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