白豹地区延长组长3、长4+5高分辨率层序地层学研究
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摘要
本文综合应用陆相盆地高分辨率层序地层学、沉积学、测井学、石油地质学、数学地质等理论，在对研究区内有关钻井岩芯观察的基础上，充分利用测井、钻井岩芯以及测试分析资料，并采用测井—沉积相自动识别等方法，深入研究了沉积相、沉积微相特征，并进行井间沉积相对比，进而探讨了长3、长4+5期的岩相古地理特征及其演化。
白豹地区位于盆地中南部，三角洲沉积属于北部靖边—吴旗三角洲向西南延伸部分，主要发育三角洲前缘沉积。根据岩芯观察以及测井相分析，认为长4+5—长3期以水下分流河道、河口砂坝、水下天然堤、水下决口扇、分流间湾和远砂坝等沉积微相以及部分浅湖亚相沉积为主。其中三角洲前缘水下分流河道为骨架相。沉积作用都有很好的继承性，但浅湖沉积分布范围以及三角洲前缘砂体的规模和展布特征随着水下分流河道的迁移和摆动而有所不同。研究区长4+5—长3期三角洲前缘水下分流河道砂体均呈北东—南西向条带状展布，砂体之间被分流间湾分隔。
长4+5—长3期湖盆发展处于湖退、萎缩逐渐消亡时期，由于构造背景稳定，物源来源方向没有变化，物源供给充分，所以岩相古地理格局基本一致，形成建设性三角洲沉积，但长3~3期沉积速率大于构造沉降速率，表现为叠置河口砂坝极其发育。
在深入的沉积相研究基础上，对钻井岩芯进行了超短期—短期基准面旋回划分，将岩芯归位，并对测井曲线进行刻度，建立了不同级次基准面旋回的测井响应模型，进而应用测井曲线划分低级次基准面旋回，建立了超短—短期基准面旋回地层格架，探讨了砂体成因类型及展布规律。
In this paper, the author synthetically applied continental lake basin high-resolution sequence stratigraphy, sedimentation, well logging, petroleum geology, mathematics geology, etc, on the basis of studying on the core of the well drilling in the district, fully utilize logging well, well drilling core and testing and analyzing materials, adopting well logging-sedimentary facies automatical identification to study the characters of sedimentary facies and sub-facies further. And study sedimentary facies profoundly, and carry on sedimentary facies contrast well to well, to study Yanchang 3 sector and Yanchang 4+5 sector lithofacies palaeogeography character and evolution further.
Baibao area lies in the middle-south of the basin, delta deposit was belong to the north set of Jingbian-Wuqi delta and locating at front region. According to observing the core and well logging facies analysis, Yanchang 4+5 sector to Yangchang 3 mainly developed underwater distributary channel, river mouth bars, underwater natural levee, underwater crevasse splay, interdistributary bay, far bars, etc. and some shallow lake subfacies. Among them, underwater distributary channel in delta front was the main facies. Deposit characters have fine succession, however, because of the underwater distributary channel's movement and migration, the scale of the shallow deposits and delta front deposit were different. In research area, Yanchang 4+5 sector to Yanchang 3 underwater distributary channel sandbodys in delta front was north-east to south west, and were separated by interdistributary bay.
Yanchang 4+5 sector to Yanchang 3 sector lithofacies palaeogeography pattern was stable, because the constitution background was steady, and the source direction had no change, and supply was abundant. In those sectors the basin development was in lake retreat, and in the period of extinction gradually, and formatted construction delta deposit, but in Yanchang 33 period the sedimentary speed were greater than construction speed, showing that overriding river mouth bars were abundant.
On the basis of sedimentary facies division, the author firstly divided super short-term and short-time base-level cycle on well drilling cores, and playback the
cores to well logging curves to scale them, and set up different classes of base-level cycles answered to well logging respond models. Finally the author discussed how to use log well curve to divide super short-term and short-time base-level cycle characters, and to set up super short-term and short-term base-level cycle comparison framework, and analyzed sand body origin cause of formation type and spreading rules.
白豹地区位于盆地中南部，三角洲沉积属于北部靖边—吴旗三角洲向西南延伸部分，主要发育三角洲前缘沉积。根据岩芯观察以及测井相分析，认为长4+5—长3期以水下分流河道、河口砂坝、水下天然堤、水下决口扇、分流间湾和远砂坝等沉积微相以及部分浅湖亚相沉积为主。其中三角洲前缘水下分流河道为骨架相。沉积作用都有很好的继承性，但浅湖沉积分布范围以及三角洲前缘砂体的规模和展布特征随着水下分流河道的迁移和摆动而有所不同。研究区长4+5—长3期三角洲前缘水下分流河道砂体均呈北东—南西向条带状展布，砂体之间被分流间湾分隔。
长4+5—长3期湖盆发展处于湖退、萎缩逐渐消亡时期，由于构造背景稳定，物源来源方向没有变化，物源供给充分，所以岩相古地理格局基本一致，形成建设性三角洲沉积，但长3~3期沉积速率大于构造沉降速率，表现为叠置河口砂坝极其发育。
在深入的沉积相研究基础上，对钻井岩芯进行了超短期—短期基准面旋回划分，将岩芯归位，并对测井曲线进行刻度，建立了不同级次基准面旋回的测井响应模型，进而应用测井曲线划分低级次基准面旋回，建立了超短—短期基准面旋回地层格架，探讨了砂体成因类型及展布规律。
In this paper, the author synthetically applied continental lake basin high-resolution sequence stratigraphy, sedimentation, well logging, petroleum geology, mathematics geology, etc, on the basis of studying on the core of the well drilling in the district, fully utilize logging well, well drilling core and testing and analyzing materials, adopting well logging-sedimentary facies automatical identification to study the characters of sedimentary facies and sub-facies further. And study sedimentary facies profoundly, and carry on sedimentary facies contrast well to well, to study Yanchang 3 sector and Yanchang 4+5 sector lithofacies palaeogeography character and evolution further.
Baibao area lies in the middle-south of the basin, delta deposit was belong to the north set of Jingbian-Wuqi delta and locating at front region. According to observing the core and well logging facies analysis, Yanchang 4+5 sector to Yangchang 3 mainly developed underwater distributary channel, river mouth bars, underwater natural levee, underwater crevasse splay, interdistributary bay, far bars, etc. and some shallow lake subfacies. Among them, underwater distributary channel in delta front was the main facies. Deposit characters have fine succession, however, because of the underwater distributary channel's movement and migration, the scale of the shallow deposits and delta front deposit were different. In research area, Yanchang 4+5 sector to Yanchang 3 underwater distributary channel sandbodys in delta front was north-east to south west, and were separated by interdistributary bay.
Yanchang 4+5 sector to Yanchang 3 sector lithofacies palaeogeography pattern was stable, because the constitution background was steady, and the source direction had no change, and supply was abundant. In those sectors the basin development was in lake retreat, and in the period of extinction gradually, and formatted construction delta deposit, but in Yanchang 33 period the sedimentary speed were greater than construction speed, showing that overriding river mouth bars were abundant.
On the basis of sedimentary facies division, the author firstly divided super short-term and short-time base-level cycle on well drilling cores, and playback the
cores to well logging curves to scale them, and set up different classes of base-level cycles answered to well logging respond models. Finally the author discussed how to use log well curve to divide super short-term and short-time base-level cycle characters, and to set up super short-term and short-term base-level cycle comparison framework, and analyzed sand body origin cause of formation type and spreading rules.
引文
[1] Van Wagoner, J.C,and Mitchum, R.M.et al, Siliciclastic sequence stratigraphy in well logs, core and outcrop concepts for high-resolution correction of time and facies. AAPG, Methods in Exploration Series. 1990(7)
[2] 谢习农，程守田，陆永潮．陆相盆地幕式构造旋回与层序构成[J]．地球科学，1996，21(1)
[3] 蔡雄飞，李长安，占车生．陆相盆地地层研究进展[J]．地学前缘，1999，6(4)
[4] 瞿辉，赵文智，徐怀大．陆相层序特征与油气勘探对策[J]．勘探家，2000，5(3)
[5] 谢习农，刘耀宗，张惠．伊通地堑层序构成及层序地层格架样式[J]．现代地质 1994，8(3)
[6] 谢习农，李思田．陆相盆地层序地层研究特点[J]．地质科技情报，1993，12(1)
[7] 樊太亮，刘金辉，徐怀大等．新疆塔里木盆地北部层序地层学[M]．北京：地质出版社，1997
[8] 谢习农，李思田．伊通地堑层序地层分析及充填史研究[J]．地球科学，1993
[9] 胡受权，郭文平．论陆相层序地层学理论体系及其研究思路[J]．断块油气田，2001，8(5)
[10] 岳文浙等．江苏白垩纪陆相地层研究[J]．火山地质与矿产，1999，20(4)
[11] 魏魁生，徐怀大．华北地区典型箕状凹陷层序地层模式及其与油气赋存关系[J]．地球科学，1993，18(2)
[12] 魏魁生，徐怀大．二连盆地白垩系非海相沉积层序特征[J]．地球科学，1994，19(2)
[13] 张希明．塔里木盆地北部陆相层序地层特征[J]．石油勘探与开发，1996，23(5)
[14] 李思田，杨士恭，林畅松．论沉积盆地的等时地层和基本构造单元[J]．沉积学报，1992，10(4)
[15] 程日辉，王东坡．陆相层序地层学进展[J]．岩相古地理，1996，16(4)
[16] 胡受权，郭文平，刘树根，童崇光．断陷湖盆陡坡带陆相层序地层学模式研究．长春科技大学学报，1999，29(2)
[17] 顾家裕．陆相盆地层序地层学格架概念及模式[J]．石油勘探与开发，1995，22(14)
[18] 王东坡，刘立．大陆裂谷盆地层序地层学的研究[J]．岩相古地理，1994，14(3)
[19] Wright V P, Marriott S B. The sequence stratigraphy of fluvial depositional systems the role of floodplain sediment storage[J]. Seol Geol,1993,86
[20] Shanlley K W, Mecabe P J. Respectives on the sequence stratigraphy of continental strata[J]. AAPG Bulletin, 1994, 78(4)
[21] 张周良．河流相地层的层序地层学和河流类型[J]．地质论评，1996，42 (增刊)
[22] Osen T, Steel R and Hgsenth K et al. Sequential architecture in a fluvial succession: sequence stratigraphy in the Upper Cretaceous Mesaverde Group, Prince Canyon, Utah[J]. Journal of Sedimentary Research,1995,862(2)
[23] 池秋鄂．层序地层学原理及在油气勘探开发中的应用[M]．石油天然气集团公司经济和信息研究中心，1998
[24] 牟泽辉，朱宏权，张克银等．鄂尔多斯盆地南部中生界成油体系[M]．北京：石油工业出版社，2001
[25] 刘宝珺，李文汉．层序地层学研究与应用[M]．成都：四川科学技术出版社，1994
[26] 陈洪德，钱奕中，刘文均．层序地层学理论及研究方法[M]．成都：四川科学技术出版社，1994
[27] 邓宏文．美国层序地层研究中的新学派—高分辨率层序地层学[J]．石油天然气地质，1995，3(6)
[28] 纪友亮，张世奇．陆相断陷湖盆层序地层学[M]．北京，石油工业出版社，1996
[29] 郑荣才，彭军，吴朝容．陆相盆地基准面旋回的级次划分和研究意义[J]．沉积学报 2001，19(2)
[30] 郑荣才，吴朝容，叶茂才．浅谈陆相盆地高分辨率层序地层研究思路[J]．成都理工学院学报，2000，27(3)
[31] 郑荣才，尹世民，彭军．基准面旋回结构与叠加样式的沉积动力学分析[J]．沉积学报，2000，18(3)
[32] 中国石油天然气集团公司油气储层重点实验室．陆相层序地层学应用指南[M]．北京：石油工业出版社，2002
[33] 长庆油田石油地质志编写组．中国石油地质志(卷 12)——长庆油田[M]．北京：石油工业出版社，1992
[34] 吴朝容．高分辨率层序地层学与生储盖组合—以辽河油田西部洼陷沙河街组为例[D]．成都：成都理工学院，2000
[35] 孟万斌．塔中4油田CI油组高分辨率层序地层学及储层特征研究[D]．成都：成都理工大学，2002
[36] 郑小武，邓宏文，徐怀大等．测井高分辨率层序地层自动划分技术与应用尝试[J]．石油与天然气地质，1999，20(4)
[37] 邓宏文、王洪亮，李熙喆．层序地层地层基徒面的识别、对比技术与应用[J]．石油与天然气地质，1996，17(3)
[38] 蔺景龙，许少华，孙文德．沉积微相测井识别[J]．大庆石油地质与开发，1997，16(2)
[39] 马世忠，黄孝特，张太斌．定量自动识别测井微相的数学方法[J]．石油地球物理勘探，2000，35(5)
[40] 张萌，田景春，吴志勇．用Bayes判别模型识别未取芯井段沉积微相[J]．成都理工学院学报，2001，28(3)
[41] 卢纹岱，朱一力，沙捷等．SPSS for Window[M]．北京：电子工业出版社，1997
[42] 潘仲样．石油地质学[M]．北京：地质出版社，1987
[43] 马正．油气测井地质学[M]．武汉：中国地质大学出版社，1994
[44] 黄智辉．地球物理测井资料在分析沉积环境中的应用[M]．北京：地质出版社，1986
[45] 陆明德，田时芸．石油天然气数学地质[M]．武汉：中国地质大学出版社，1991
[46] 赵旭东．石油数学地质概论[M]．北京：石油工业出版社，1990
[47] 谢渊．鄂尔多斯盆地富县探区上三叠统延长组层序地层与储层研究[D]．成都：成都理工大学，2002
[48] 胡受权，郭文平，杨凤根．试论控制断陷湖盆陆相层序发育的影响因素[J]．沉积学报，2001，19 (2)
[49] 顾家裕，张兴阳．油气沉积学发展回顾和应用现状．沉积学报，2003，21(1)
[50] 尹寿鹏，王贵文．测井沉积学研究综述．地球科学进展，1999，14(5)
[51] 薛叔浩，刘雯林，薛良清等．湖盆沉积地质与油气勘探[M]．北京：石油工业出版社，2002
[52] Jervey M T 1988.Quantitative geological modeling of silicicastic rock sequence and their seismic expression, in Wilgus C K et al. Sea-level changes:an integrated approach. SEPM Special Publication 42, 47～69
[2] 谢习农，程守田，陆永潮．陆相盆地幕式构造旋回与层序构成[J]．地球科学，1996，21(1)
[3] 蔡雄飞，李长安，占车生．陆相盆地地层研究进展[J]．地学前缘，1999，6(4)
[4] 瞿辉，赵文智，徐怀大．陆相层序特征与油气勘探对策[J]．勘探家，2000，5(3)
[5] 谢习农，刘耀宗，张惠．伊通地堑层序构成及层序地层格架样式[J]．现代地质 1994，8(3)
[6] 谢习农，李思田．陆相盆地层序地层研究特点[J]．地质科技情报，1993，12(1)
[7] 樊太亮，刘金辉，徐怀大等．新疆塔里木盆地北部层序地层学[M]．北京：地质出版社，1997
[8] 谢习农，李思田．伊通地堑层序地层分析及充填史研究[J]．地球科学，1993
[9] 胡受权，郭文平．论陆相层序地层学理论体系及其研究思路[J]．断块油气田，2001，8(5)
[10] 岳文浙等．江苏白垩纪陆相地层研究[J]．火山地质与矿产，1999，20(4)
[11] 魏魁生，徐怀大．华北地区典型箕状凹陷层序地层模式及其与油气赋存关系[J]．地球科学，1993，18(2)
[12] 魏魁生，徐怀大．二连盆地白垩系非海相沉积层序特征[J]．地球科学，1994，19(2)
[13] 张希明．塔里木盆地北部陆相层序地层特征[J]．石油勘探与开发，1996，23(5)
[14] 李思田，杨士恭，林畅松．论沉积盆地的等时地层和基本构造单元[J]．沉积学报，1992，10(4)
[15] 程日辉，王东坡．陆相层序地层学进展[J]．岩相古地理，1996，16(4)
[16] 胡受权，郭文平，刘树根，童崇光．断陷湖盆陡坡带陆相层序地层学模式研究．长春科技大学学报，1999，29(2)
[17] 顾家裕．陆相盆地层序地层学格架概念及模式[J]．石油勘探与开发，1995，22(14)
[18] 王东坡，刘立．大陆裂谷盆地层序地层学的研究[J]．岩相古地理，1994，14(3)
[19] Wright V P, Marriott S B. The sequence stratigraphy of fluvial depositional systems the role of floodplain sediment storage[J]. Seol Geol,1993,86
[20] Shanlley K W, Mecabe P J. Respectives on the sequence stratigraphy of continental strata[J]. AAPG Bulletin, 1994, 78(4)
[21] 张周良．河流相地层的层序地层学和河流类型[J]．地质论评，1996，42 (增刊)
[22] Osen T, Steel R and Hgsenth K et al. Sequential architecture in a fluvial succession: sequence stratigraphy in the Upper Cretaceous Mesaverde Group, Prince Canyon, Utah[J]. Journal of Sedimentary Research,1995,862(2)
[23] 池秋鄂．层序地层学原理及在油气勘探开发中的应用[M]．石油天然气集团公司经济和信息研究中心，1998
[24] 牟泽辉，朱宏权，张克银等．鄂尔多斯盆地南部中生界成油体系[M]．北京：石油工业出版社，2001
[25] 刘宝珺，李文汉．层序地层学研究与应用[M]．成都：四川科学技术出版社，1994
[26] 陈洪德，钱奕中，刘文均．层序地层学理论及研究方法[M]．成都：四川科学技术出版社，1994
[27] 邓宏文．美国层序地层研究中的新学派—高分辨率层序地层学[J]．石油天然气地质，1995，3(6)
[28] 纪友亮，张世奇．陆相断陷湖盆层序地层学[M]．北京，石油工业出版社，1996
[29] 郑荣才，彭军，吴朝容．陆相盆地基准面旋回的级次划分和研究意义[J]．沉积学报 2001，19(2)
[30] 郑荣才，吴朝容，叶茂才．浅谈陆相盆地高分辨率层序地层研究思路[J]．成都理工学院学报，2000，27(3)
[31] 郑荣才，尹世民，彭军．基准面旋回结构与叠加样式的沉积动力学分析[J]．沉积学报，2000，18(3)
[32] 中国石油天然气集团公司油气储层重点实验室．陆相层序地层学应用指南[M]．北京：石油工业出版社，2002
[33] 长庆油田石油地质志编写组．中国石油地质志(卷 12)——长庆油田[M]．北京：石油工业出版社，1992
[34] 吴朝容．高分辨率层序地层学与生储盖组合—以辽河油田西部洼陷沙河街组为例[D]．成都：成都理工学院，2000
[35] 孟万斌．塔中4油田CI油组高分辨率层序地层学及储层特征研究[D]．成都：成都理工大学，2002
[36] 郑小武，邓宏文，徐怀大等．测井高分辨率层序地层自动划分技术与应用尝试[J]．石油与天然气地质，1999，20(4)
[37] 邓宏文、王洪亮，李熙喆．层序地层地层基徒面的识别、对比技术与应用[J]．石油与天然气地质，1996，17(3)
[38] 蔺景龙，许少华，孙文德．沉积微相测井识别[J]．大庆石油地质与开发，1997，16(2)
[39] 马世忠，黄孝特，张太斌．定量自动识别测井微相的数学方法[J]．石油地球物理勘探，2000，35(5)
[40] 张萌，田景春，吴志勇．用Bayes判别模型识别未取芯井段沉积微相[J]．成都理工学院学报，2001，28(3)
[41] 卢纹岱，朱一力，沙捷等．SPSS for Window[M]．北京：电子工业出版社，1997
[42] 潘仲样．石油地质学[M]．北京：地质出版社，1987
[43] 马正．油气测井地质学[M]．武汉：中国地质大学出版社，1994
[44] 黄智辉．地球物理测井资料在分析沉积环境中的应用[M]．北京：地质出版社，1986
[45] 陆明德，田时芸．石油天然气数学地质[M]．武汉：中国地质大学出版社，1991
[46] 赵旭东．石油数学地质概论[M]．北京：石油工业出版社，1990
[47] 谢渊．鄂尔多斯盆地富县探区上三叠统延长组层序地层与储层研究[D]．成都：成都理工大学，2002
[48] 胡受权，郭文平，杨凤根．试论控制断陷湖盆陆相层序发育的影响因素[J]．沉积学报，2001，19 (2)
[49] 顾家裕，张兴阳．油气沉积学发展回顾和应用现状．沉积学报，2003，21(1)
[50] 尹寿鹏，王贵文．测井沉积学研究综述．地球科学进展，1999，14(5)
[51] 薛叔浩，刘雯林，薛良清等．湖盆沉积地质与油气勘探[M]．北京：石油工业出版社，2002
[52] Jervey M T 1988.Quantitative geological modeling of silicicastic rock sequence and their seismic expression, in Wilgus C K et al. Sea-level changes:an integrated approach. SEPM Special Publication 42, 47～69
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