地层孔隙压力预测方法在松辽盆地北部深层的应用

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英文篇名：Application of prediction method of formation pore pressure in deep formation of northern Songliao Basin 作者：刘方 ; 陈中普 ; 杨雷 英文作者：Liu Fang;Chen Zhongpu;Yang Lei;Interpretation And Evaluation Center,No.1Geo-Logging Company,Daqing Drilling & Exploration Engineering Corporation; 关键词：松辽盆地 ; 地层孔隙压力 ; 剖面外推法 ; 火成岩 ; 石油钻井 英文关键词：Songliao Basin;;formation pore pressure;;profile extrapolation;;volcanic rock;;petroleum drilling 中文刊名：录井工程 英文刊名：Mud Logging Engineering 机构：中国石油大庆钻探工程公司地质录井一公司;中国石油渤海钻探第一录井公司; 出版日期：2019-09-25 出版单位：录井工程 年：2019 期：03 语种：中文; 页：49-55+189-190 页数：9 CN：12-1371/TE ISSN：1672-9803 分类号：P618.13;P634.5

摘要

地层压力预测对深部地层钻井施工非常重要。针对松辽盆地北部深部地层地质特点,结合地质、工程等理论,用地质分析的方法认识和解决深部地层压力预测问题,为此对该盆地复杂火成岩地层孔隙压力采取分层、分区预测方法,分别建立沉积岩地层区域地层压实正常趋势线进行预测。在实际应用中,通过分析总结该区块压力分布特征,并融合多项技术提升地层压力预测剖面外推法的准确性,形成了一套适应松辽盆地深部地层压力预测的新方法,有效解决了松辽盆地深部地层钻井施工过程中的实际问题。
        Formation pressure prediction is very important for deep formation drilling construction.According to the geological characteristics of deep strata in the northern Songliao Basin,combing with the theories of geology and engineering,the problem of deep formation pressure prediction is recognized and solved by the method of geological analysis.Therefore,the formation pore pressure of complex volcanic rocks in the basin is predicted by stratification and zoning prediction,and the normal trend lines of regional formation compaction in sedimentary rock strata are established to predict the pore pressure.In practical application,the characteristics of pressure distribution in this area are analyzed and summarized,and the accuracy of profile extrapolation for formation pressure prediction is improved by integrating multiple techniques.A set of new methods adapting to the prediction of deep formation pressure in Songliao Basin have been formed,which effectively solved the practical problems in the drilling construction of deep formation in Songliao Basin.

引文

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