德惠断陷鲍家地区火山岩预测及成藏条件分析
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摘要
德惠断陷鲍家地区营城组火山岩,随着勘探的深入,多口井都获得了工业气流,但是火山岩气藏地质条件复杂,火山岩岩性、岩相复杂多样,地震响应特征不尽相同,规律性差,预测难度大。利用地震相分析技术、相干体识别技术、相控反演技术对火山岩体进行了识别,预测出火山岩岩相。通过地质分析明确了该地区火山岩成藏三大主控因素为烃源岩、气源断裂、优质储层。通过以上的技术手段以及地质认识在德惠断陷鲍家地区的火山岩预测效果明显,明确了鲍家地区火山岩的成藏因素,以期对今后的工作有借鉴意义。
With exploration developing in depth,industrial gas flow have been gained from many wells of the volcanic rocks of Yingcheng formation in the Baojia area of Dehui fault depression have gained.However,complex geological conditions of volcanic gas reservoirs,complex and diverse volcanic rocks lithology and lithofacies,different seismic response characteristics,and poor regularity make the prediction difficult.This paper identifies the volcanic rocks using the seismic facies identification technology,coherent cube identification technology,and phase-controlled inversion technology;and predicts the volcanic rocks lithofacies.The three main controlling factors of volcanic reservoir formation in this area are proved to be source rock,gas-source fracture and high quality reservoir by geological analysis.Through the above technology and geological understanding,the prediction of volcanic rocks in Bao Jia area of Dehui fault depression has achieved good results,and the factors of volcanic reservoir formation in Bao Jia area have been clarified,so as to provide guidance and reference for future work.
With exploration developing in depth,industrial gas flow have been gained from many wells of the volcanic rocks of Yingcheng formation in the Baojia area of Dehui fault depression have gained.However,complex geological conditions of volcanic gas reservoirs,complex and diverse volcanic rocks lithology and lithofacies,different seismic response characteristics,and poor regularity make the prediction difficult.This paper identifies the volcanic rocks using the seismic facies identification technology,coherent cube identification technology,and phase-controlled inversion technology;and predicts the volcanic rocks lithofacies.The three main controlling factors of volcanic reservoir formation in this area are proved to be source rock,gas-source fracture and high quality reservoir by geological analysis.Through the above technology and geological understanding,the prediction of volcanic rocks in Bao Jia area of Dehui fault depression has achieved good results,and the factors of volcanic reservoir formation in Bao Jia area have been clarified,so as to provide guidance and reference for future work.
引文
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[3]董小魏,李瑞,刘汝强.长岭断陷火山岩相识别及平面预测研究[J].物探化探计算技术,2009,31(4):374-376.DONG X W,LI R,LIU R Q.Research of identification and prediction of volcanic facies in changling[J].Computing Techniques for Geophysical and Geochemical Exploration,2009,31(4):374-376.(In Chinese)
[4]杨辉,宋吉杰,文百红,等.火山岩岩性宏观预测方法——以松辽盆地北部徐家围子断陷为例[J].石油勘探与开发,2007,34(02):150-155.YANG H,SONG J J,WEN B H,et al.Macroscopic prediction of volcanic rock lithology:A case from Xujiaweizi Faulted Depression,northern Songliao basin[J].Petroleum Exploration and Development,2007,34(02):150-155.(In Chinese)
[5]王玉学,韩大匡,刘文岭,等.相干体技术在火山岩预测中的应用[J].石油物探,2006,45(2):192-196.WANG Y X,HAN D K,LIU W L,et al.The application of coherence technology in the volcanic reservoir prediction[J].Geophysical Prospecting for Petroleum,2006,45(2):192-196.(In Chinese)
[6]谢春临,陈树民,姜传金,等.趋势面分析与相干体技术在火山岩预测中的应用[J].地球物理学报,2011,54(2):368-373.XIE C L,CHEN C M,JIANG C J,et al.Application of a method combining trend surface analysis and coherence cube technology to volcanic prediction[J].Chinese Journal of Geophysics,2011,54(2):368-373.(In Chinese)
[7]徐颖新,喻林,孙立志,等.火山岩体识别技术在辽东凹陷的应用[J].石油地球物理勘探.2012,47(S1):40-44.XU Y X,YU L,SUN L Z,et al.Volcanic rock identification in Liaodong Sag[J].Oil Geophysical Prospecting,2012,47(S1):40-44.(In Chinese)
[8]胡佳,黄棱,王丽丽,等.GeoEast解释系统在松辽盆地王府断陷火山岩储层预测中的应用[J].石油地球物理勘探,2014,49(S1):148-153.HU J,HUANG L,WANG L L,et al.Volcantic-faulted reservoir prediction in wangfu Depression Songliao basin with GeoEast[J].Oil Geophysical Prospecting,2014,49(S1):148-153.(In Chinese)
[9]李会光,薛海涛,黄文彪,等.德惠断陷深层源岩勘探前景[J].科学技术与工程,2011,11(27):6578-6582.LI H G,XUE H T,HUANG W B,et al.Hydrocarbon source rock exploration potential of deep layer in Dehui Fault depression[J].Science Technology and Engineering,2011,11(27):6578-6582.(In Chinese)
[10]王玉柱,宁松华,王海荣,等.德惠断陷断裂演化及其与油气的关系研究[J].长江大学学报(自科版),2016,13(8):19-25.WANG Y Z,NING S H,WANG H R,et al.The fault evolution and its relationship with oil and gas in dehui fault depression[J].Journal of Yangtze University(Natural Science Edition),2016,13(8):19-25.(In Chinese)