有机碳含量在深水沉积物层序划分中的应用
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摘要
利用电阻率和声波测井资料估算得到的地层中有机碳含量进行层序地层学分析,可弥补深水沉积体系旋回性不明显的不足,为层序地层单元划分和对比提供依据。首先用△lgR法计算了松辽盆地Gu57井青山口组的有机碳含量,然后利用计算出来的有机碳含量曲线的旋回性,在青山口组识别出4个三级层序旋回和9个四级层序旋回,并进一步划分出水进域和高位域。结果表明基于△lgR值求取有机碳含量具有较高的精度和分辨能力,能够满足深水沉积层序划分的需要。依据有机碳含量的垂向变化趋势,得出了古龙凹陷青山口组时期相对湖平面的升降过程。
With the help of the data of the resistivity and sonic well logging,the sequence stratigraphy analysis is conducted by the estimated organic carbon content,thus the deficiencies of unobvious cycle of the deep-water sedimentary system can be made up and moreover the evidences for the classification and contrast of the sequence stratigraphic units can be presented.First of all,the organic carbon values are computed by △lgR method for Qingshankou Formation in Well Gu57 of Songliao Basin,and then by means of the cyclicity of the calculated organic carbon curve,four third-order sequence cycles and nine fourth-order sequence cycles are recognized in the formation,and furthermore the transgression and high standard system tracts are divided.The achievements show that the obtained organic carbon values are characterized by much higher precision and resolution on the basis of the △lgR values,so the requirements of the classification of the deep-water sedimentary sequences can be met.With the vertical variation tendency of the values,the rise and drop processes corresponding to the lacustrine level are presented in the period of Qingshankou Formation in Gulong Sag.
With the help of the data of the resistivity and sonic well logging,the sequence stratigraphy analysis is conducted by the estimated organic carbon content,thus the deficiencies of unobvious cycle of the deep-water sedimentary system can be made up and moreover the evidences for the classification and contrast of the sequence stratigraphic units can be presented.First of all,the organic carbon values are computed by △lgR method for Qingshankou Formation in Well Gu57 of Songliao Basin,and then by means of the cyclicity of the calculated organic carbon curve,four third-order sequence cycles and nine fourth-order sequence cycles are recognized in the formation,and furthermore the transgression and high standard system tracts are divided.The achievements show that the obtained organic carbon values are characterized by much higher precision and resolution on the basis of the △lgR values,so the requirements of the classification of the deep-water sedimentary sequences can be met.With the vertical variation tendency of the values,the rise and drop processes corresponding to the lacustrine level are presented in the period of Qingshankou Formation in Gulong Sag.
引文
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[18]岳炳顺,黄华,陈彬,等.东濮凹陷测井烃源岩评价方法及应用[J].石油天然气学报,2005,27(3):351-354.
[19]林小云,潘虹,李轶,等.测井资料在资福寺洼陷有效烃源岩评价中的应用[J].石油天然气学报,2012,34(9):38-41.
[20]林霖.烃源岩测井评价在银额盆地天草凹陷的应用[J].吐哈油气,2012,17(3):2(2-21).
[21]袁超,周灿灿,胡松,等.地层有机碳含量测井评价方法综述[J].地球物理学进展,2014,29(6):2831-2837.
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[23]许晓宏,黄海平.测井资料与烃源岩有机碳含量的定量关系研究[J].江汉石油学院学报,1998,20(3):8-12.
[24]徐思煌,朱义清.烃源岩有机碳含量的测井响应特征与定量预测模型:以珠江口盆地文昌组烃源岩为例[J].石油实验地质,2010,32(3):290-295.
[25]侯启军,冯志强,冯子辉.松辽盆地陆相石油地质学[M].北京:石油工业出版社,2009:181-182.
[26]叶淑芬,魏魁生.松辽盆地白垩系的密集段及海水进侵的新证[J].地球科学,1996,21(3):267-271.
[27]汪海燕,张顺,付秀丽.松辽盆地泉头组四段沉积充填与成藏响应[J].大庆石油地质与开发,2010,29(6):18-23.
[28]陈晓东,卢双舫,张世广,等.松辽盆地红岗阶地青山口组地层层序和沉积特征[J].大庆石油地质与开发,2012,31(3):41-46.
[29]刘俊榜,刘震,景晓凤,等.利用测井曲线反演计算烃源岩有机碳质量分数:以准噶尔盆地东部为例[J].石油天然气学报,2013,35(5):28-32.
[30]高岗,王绪龙,柳广弟,等.准噶尔盆地上三叠统源岩TOC含量预测方法[J].高校地质学报,2012,18(4):745-750.
[31]霍秋立,李振广,曾花森,等.松辽盆地北部晚白垩系青一段源岩中芳基类异戊二烯烃的检出及意义[J].沉积学报,2010,28(4):021.
[2]刘丽娟,朱思源,高有峰,等.松辽盆地上白垩统高分辨层序界面类型及特征[J].大庆石油地质与开发,2014,33(4):1-8.
[3]郑荣才,彭军,彭光明,等.高分辨率层序分析在油藏开发工程中的应用:以百色盆地仑35块那二段油藏为例[J].沉积学报,2004,2l(4):654-662.
[4]廖计华,王华,孙志鹏,等.琼东南盆地深水区长昌凹陷构造演化及其对层序样式的控制[J].中南大学学报(自然科学版),2012,43(8):22-31.
[5]李雪,祝传林,操应长.深水沉积的层序地层单元划分方法探讨:以东营凹陷牛38井为例[J].江汉石油学院学报,2004,26(2):15-17.
[6]孙钰,钟建华,姜在兴,等.松辽盆地南部坳陷期层序地层研究[J].中国石油大学学报(自然科学版),2006,30(5):1-7.
[7]刘招君,孙平昌,贾建亮,等.陆相深水环境层序识别标志及成因解释:以松辽盆地青山口组为例[J].地学前缘,2011,18(4):171-180.
[8]Catuneanu O,Abreu V,Bhattacharya J P,et al.Towards the standardization of sequence stratigraphy[J].Earth-Science Reviews,2009,92(1):1-33.
[9]林畅松,张燕梅.高精度层序地层学和储层预测[J].地学前缘,2000,7(3):111-l17.
[10]杨小萍,刘桂侠,马文杰.层序地层学研究现状及发展趋势[J].西北地质,2001,34(2):16-20.
[11]刘洛夫,齐雪峰.准噶尔盆地侏罗系层序地层格架中的烃源岩评价[J].沉积学报,2002,20(4):687-694.
[12]杨玉峰,王占国,张维琴.松辽盆地湖相泥岩地层有机碳分布特征及层序分析[J].沉积学报,2003,21(2):340-344.
[13]Creaney S,Passey Q R.Recurring patterns of total organic carbon and source rock quality within a sequence stratigraphic framework[J].AAPG Bulletin,1993,77(3):386-401.
[14]袁东山,王国斌,汤泽宁,等.测井资料评价烃源岩方法及其进展[J].石油天然气学报,2009,31(4):192-194.
[15]张志伟,张龙海.测井评价烃源岩的方法及其应用效果[J].石油勘探与开发,2000,27(3):84-87.
[16]钱克兵,彭宇,王圣柱,等.东营凹陷孔二段烃源岩特征及测井评价[J].断块油气田,2007,13(5):15-17.
[17]税蕾蕾,张晓玲,郭龙.烃源岩固体有机质测井响应及应用研究[J].石油天然气学报,2012,34(9):101-104.
[18]岳炳顺,黄华,陈彬,等.东濮凹陷测井烃源岩评价方法及应用[J].石油天然气学报,2005,27(3):351-354.
[19]林小云,潘虹,李轶,等.测井资料在资福寺洼陷有效烃源岩评价中的应用[J].石油天然气学报,2012,34(9):38-41.
[20]林霖.烃源岩测井评价在银额盆地天草凹陷的应用[J].吐哈油气,2012,17(3):2(2-21).
[21]袁超,周灿灿,胡松,等.地层有机碳含量测井评价方法综述[J].地球物理学进展,2014,29(6):2831-2837.
[22]Creaney S,Kulla J B,et al.A practical model for organic richness from porosity and resistivity logs[J].AAPG Bulletin,1990,74(12):1777-1794.
[23]许晓宏,黄海平.测井资料与烃源岩有机碳含量的定量关系研究[J].江汉石油学院学报,1998,20(3):8-12.
[24]徐思煌,朱义清.烃源岩有机碳含量的测井响应特征与定量预测模型:以珠江口盆地文昌组烃源岩为例[J].石油实验地质,2010,32(3):290-295.
[25]侯启军,冯志强,冯子辉.松辽盆地陆相石油地质学[M].北京:石油工业出版社,2009:181-182.
[26]叶淑芬,魏魁生.松辽盆地白垩系的密集段及海水进侵的新证[J].地球科学,1996,21(3):267-271.
[27]汪海燕,张顺,付秀丽.松辽盆地泉头组四段沉积充填与成藏响应[J].大庆石油地质与开发,2010,29(6):18-23.
[28]陈晓东,卢双舫,张世广,等.松辽盆地红岗阶地青山口组地层层序和沉积特征[J].大庆石油地质与开发,2012,31(3):41-46.
[29]刘俊榜,刘震,景晓凤,等.利用测井曲线反演计算烃源岩有机碳质量分数:以准噶尔盆地东部为例[J].石油天然气学报,2013,35(5):28-32.
[30]高岗,王绪龙,柳广弟,等.准噶尔盆地上三叠统源岩TOC含量预测方法[J].高校地质学报,2012,18(4):745-750.
[31]霍秋立,李振广,曾花森,等.松辽盆地北部晚白垩系青一段源岩中芳基类异戊二烯烃的检出及意义[J].沉积学报,2010,28(4):021.
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