Analysis of High-Resolution Sequence Stratigraphy of the Second Member of Nadu Formation in Lun-35 Block of Baise Basin and Its Application in Development of Oil Reservoir

ZHENG Rong cai; PENG Jun; PENG Guang ming; PAN Chang lin; GAO Hong can

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Article Navigation > Acta Sedimentologica Sinica > 2003 > 21(4): 654-662

ZHENG Rong cai, PENG Jun, PENG Guang ming, PAN Chang lin, GAO Hong can. Analysis of High-Resolution Sequence Stratigraphy of the Second Member of Nadu Formation in Lun-35 Block of Baise Basin and Its Application in Development of Oil Reservoir[J]. Acta Sedimentologica Sinica, 2003, 21(4): 654-662.

Citation:

Analysis of High-Resolution Sequence Stratigraphy of the Second Member of Nadu Formation in Lun-35 Block of Baise Basin and Its Application in Development of Oil Reservoir

1.
Chengdu University of Technology, Chengdu 610059;
2.
Southwest Petroleum Institute, Nanchong Sichuan 637001;
3.
Nanning Branch of Institute of Petroleum Exploration and Development of Dian Qian Gui, Nanning 530023

Received Date: 2002-11-29
Rev Recd Date: 2003-05-16
Publish Date: 2003-12-10

Abstract

Through the comprehensive analysis of outcrops, cores, well logs and seismic interpretation data, and under the guidance of the theory and technology of the high-resolution sequence stratig raphy initiated by Timothy A-Cross in 1994, the characteristics of the different grade sequence interface and laucstrine flooding surface in the second member of Nadu Formation Eocene in Lun-35 Block of Ziyin Oil Field from Base Basin are studied.According to the identification sign of the sequence interface and flooding sedimentation, four-grade base-level cycle sequences that are divided into 13 ～ 18 supershort-term, 7 ～ 9 short-term, two middle-term, and one long-term cycle sequences are recognized from the formation.On the basis of these studies, the vertical sequence, facies association, lithologic component, structure type and stacking pattern are discussed in detail.Among these sequences, the supershort-term and short-term cycle sequence may be divided into two basic types of st ructure which are up-deepening non-symmetry and symmetry from up-deepening to up-shallowening.The first can be divided further into two subtypes of low or high accommodation and the second can be devided further into three subtypes of non-complete or nearly complete symmetry.These basic sequence types and subtypes are of various stacking and distribution patterns.The structure type and stacking pattern of the middle-term cycle sequence are the same as that of the shortterm cycle sequence.The long-term cycle sequence are of non-complete symmetric st ructure which develop complete depositional sequence of lacust rine transgressive-reg ressive cycle, and thickness of rising half-cycle is larger than the falling half-cycle.According to the high-resolution isochronous stratig raphic correlation of the turnround boundaries of different order base-level including short and middle termcycle sequence, the sequence and time stratigraphic framework can be built that in the scale of supershort-term base-level cycle as an isochronous unit, which are of varied application significance in hydrocarbon exploration and development, such as isochronous stratig raphic correlation of small sandbodies with oil, charting of isochronic microfacies in the large scale, description of sandbody geometry, forecasting reservoir and petroleum accumulation, analy sing reservoir heterogeneity, reservoir modeling and so on.

References

[1]	Cross T A, Lessenger M A. Sediment Volume Partitioning:Rationale for Stratigraphic Model Evaluation and High-Resolution Stratigraphic Correlation[R]. Accepted for Publication in Norwegian
[2]	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]. 石油与天然气地质,1995,16(2):89～97[Deng H W.A new school of thought in sequence stratigraphic studies in U.S.:high-resolution sequence stratigraphy[J].Oil & Gas Geology, 1995,16(2):89～97]
[3]	邓宏文,王洪亮,李熙吉吉.层序地层基准面的识别、对比技术及应用[J]. 石油与天然气地质,1996,17(3):177～184[Deng H W,Wang H L,Li X Z.Identification and correlation techniques of sequence stratigraphic base-levels and their application[J].Oil & Gas Geology, 1996,17(3):177～184]
[4]	郑荣才. 四川盆地下侏罗统大安寨段高分辨率层序地层学[J]. 沉积学报,1998,16(2):42～49[Zheng R C.High-resolution sequence stratigraphy of Da'anzhai Formation,Lower Jurassic in Sichuan Basin[J].Acta Sedimentologica Sinica,1998,16(2):42～49, 1998,16(2):42～49]
[5]	郑荣才,吴朝容.西部凹陷深层沙河街组生储盖组合的层序分析[J].成都理工学院学报,1999,26(4):348～356[Zheng R C,Wu C R.Sequence analysis of source-reservoir-cap rock assemblages in Shahejie Formation from deep bed of west depression,Liaohe basin,China[J].Journal of Chengdu University of Technology, 1999,26(4):348～356]
[6]	吴朝容,郑荣才.辽河油田西部洼陷沙河街组高分辨率层序地层学特征[J].成都理工学院学报,1999,26(4):375～381[Wu C R, Zheng R C.High resolution sequence stratigraphic characteristics of Shahejie Formation in Liaohe oil field[J]. Journal of Chengdu University of Technology, 1999,26(4):375～381]
[7]	柳梅青,陈亦军,郑荣才.川西新场气田蓬莱镇组陆相地层高分辨率层序地层学研究[J].沉积学报,2000,18(1):50～56[Liu M Q, Chen Y J, Zheng R C. High-resolution sequence stratigraphy of terrestrial Penglaizhen Formation of Xinchang gas field in western Sichuan[J].Acta Sedimentologica Sinica, 2000,18(1):50～56]
[8]	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):241～244[Zheng R C, Wu C R, Ye T R. Research thinking of high-resolution sequence stratigraphy about a terrigenous basin[J]. Journal of Chengdu University of Technology, 2000, 27(3):241～244]
[9]	张尚峰,洪秀娥,郑荣才等. 应用高分辨率层序地层学对储层流动单元层次性进行分析[J]. 成都理工学院学报,2002, 29(4):147～151[Zhang S F, Hong X E, Zheng R C, et al. Application of high-resolution stratigraphic sequence to the analysis of levels of reservoir flow units[J]. Journal of Chengdu University of Technology, 2002, 29(4):147～151]
[10]	Cross T A. Stratigraphic controls on reservoir attributes in continental strata[J]. Earth Science Frontier, 2000,7(4):322～350
[11]	郑荣才,彭军. 陕北志丹三角洲长6油层组高分辨率层序分析与等时对比[J]. 沉积学报, 2002,20(1):92～100[Zheng R C, Peng J. Analysis and isochronostratigraphic correlation of high-resolution sequence stratigraphy for Chang-6 oil reservoir set in Zhidan delta,Northern Ordos basin[J]. Acta Sedimentologica Sinica, 2002,20(1):92～100]
[12]	郑荣才,彭军,韦景春,蔡勋育. 广西百色盆地下第三系层序地层学研究[R]. 成都:成都理工大学,2000[Zheng R C, Peng J, Wei J C, Cai X Y. Research of sequence stratigraphy of lower Tertiary in Baise basin of Guangxi[R].Chengdu:Chengdu University of Technology,2000]
[13]	郑荣才,彭军,彭光明,盘昌林. 子寅-塘寨区带E2n储层沉积微相研究[R]. 成都:成都理工大学,2000[Zheng R C, Peng J, Peng G M,Pan C L. Research of reservoir sedimentary facies of E2n Formation in Ziyin-Tangzai region[R].Chengdu:Chengdu University of Technology, 2000]
[14]	彭军,郑荣才,彭光明,盘昌林. 百色仑16块和百49块储层沉积微相[R]. 成都:成都理工大学,2000[Peng J, Zheng R C, Peng G M, Pan C L. Reservoir sedimentary facies of Lun-16 block and Lun-49 block in Baise basin[R]. Chengdu:Chengdu University of Technology, 2000]
[15]	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):249～245[Zheng R C, Peng J, Wu C R. Grade division of base-level cycles of terrigenous basin and its implication[J].Acta Sedimentologica Sinica, 2001,19(2):249～245]
[16]	罗超光,彭光明,陈珊. 百色油田分区块地质建模与油藏精细描述[R]. 南宁:滇黔桂油田分公司勘探开发研究院南宁分院, 1999[Luo C G, Peng G M, Chen S. Geologic constructive model of dividing region and accurate description of oil reservoir in Baise oil field[R]. Nanning: The Branch of Nanning of Research Institute of Exploration and Development of the Branch Company of Dianqiangui Oil Field,1999]
[17]	郑荣才,尹世民,彭军. 基准面旋回结构和叠加样式的沉积动力学分析[J]. 沉积学报, 2000,18(3):369～375[Zheng R C, Yin S M, Peng J. Sedimentary dynamic analysis of sequence structure and stacking pattern of base-level cycle[J].Acta Sedimentologica Sinica, 2000,18(3):369～375]
[英] 里丁 H. G.主编. 沉积环境和相[M]. 周明鉴,陈昌明,张疆等译. 北京:科学出版社,1986. 507～517[Reeding H J. ed. Zhou M J, Chen C M, Zhang J, et al., translated. Depositional environment and sedimentary facies[M].Beijing:Science Press, 1986. 507～517]

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Analysis of High-Resolution Sequence Stratigraphy of the Second Member of Nadu Formation in Lun-35 Block of Baise Basin and Its Application in Development of Oil Reservoir

1. Chengdu University of Technology, Chengdu 610059;

2. Southwest Petroleum Institute, Nanchong Sichuan 637001;

3. Nanning Branch of Institute of Petroleum Exploration and Development of Dian Qian Gui, Nanning 530023

Received Date: 2002-11-29

Rev Recd Date: 2003-05-16

Publish Date: 2003-12-10

Key words:

high-resolution sequence stratig raphy /
base-level cycle /
stratigraphic framework /
isochronostratigraphic correlation of small sandbody /
isochronic microfacies map /
development of oil and gas reservoir

Abstract: Through the comprehensive analysis of outcrops, cores, well logs and seismic interpretation data, and under the guidance of the theory and technology of the high-resolution sequence stratig raphy initiated by Timothy A-Cross in 1994, the characteristics of the different grade sequence interface and laucstrine flooding surface in the second member of Nadu Formation Eocene in Lun-35 Block of Ziyin Oil Field from Base Basin are studied.According to the identification sign of the sequence interface and flooding sedimentation, four-grade base-level cycle sequences that are divided into 13 ～ 18 supershort-term, 7 ～ 9 short-term, two middle-term, and one long-term cycle sequences are recognized from the formation.On the basis of these studies, the vertical sequence, facies association, lithologic component, structure type and stacking pattern are discussed in detail.Among these sequences, the supershort-term and short-term cycle sequence may be divided into two basic types of st ructure which are up-deepening non-symmetry and symmetry from up-deepening to up-shallowening.The first can be divided further into two subtypes of low or high accommodation and the second can be devided further into three subtypes of non-complete or nearly complete symmetry.These basic sequence types and subtypes are of various stacking and distribution patterns.The structure type and stacking pattern of the middle-term cycle sequence are the same as that of the shortterm cycle sequence.The long-term cycle sequence are of non-complete symmetric st ructure which develop complete depositional sequence of lacust rine transgressive-reg ressive cycle, and thickness of rising half-cycle is larger than the falling half-cycle.According to the high-resolution isochronous stratig raphic correlation of the turnround boundaries of different order base-level including short and middle termcycle sequence, the sequence and time stratigraphic framework can be built that in the scale of supershort-term base-level cycle as an isochronous unit, which are of varied application significance in hydrocarbon exploration and development, such as isochronous stratig raphic correlation of small sandbodies with oil, charting of isochronic microfacies in the large scale, description of sandbody geometry, forecasting reservoir and petroleum accumulation, analy sing reservoir heterogeneity, reservoir modeling and so on.

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Reference (18)

[1]	Cross T A, Lessenger M A. Sediment Volume Partitioning:Rationale for Stratigraphic Model Evaluation and High-Resolution Stratigraphic Correlation[R]. Accepted for Publication in Norwegian
[2]	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]. 石油与天然气地质,1995,16(2):89～97[Deng H W.A new school of thought in sequence stratigraphic studies in U.S.:high-resolution sequence stratigraphy[J].Oil & Gas Geology, 1995,16(2):89～97]
[3]	邓宏文,王洪亮,李熙吉吉.层序地层基准面的识别、对比技术及应用[J]. 石油与天然气地质,1996,17(3):177～184[Deng H W,Wang H L,Li X Z.Identification and correlation techniques of sequence stratigraphic base-levels and their application[J].Oil & Gas Geology, 1996,17(3):177～184]
[4]	郑荣才. 四川盆地下侏罗统大安寨段高分辨率层序地层学[J]. 沉积学报,1998,16(2):42～49[Zheng R C.High-resolution sequence stratigraphy of Da'anzhai Formation,Lower Jurassic in Sichuan Basin[J].Acta Sedimentologica Sinica,1998,16(2):42～49, 1998,16(2):42～49]
[5]	郑荣才,吴朝容.西部凹陷深层沙河街组生储盖组合的层序分析[J].成都理工学院学报,1999,26(4):348～356[Zheng R C,Wu C R.Sequence analysis of source-reservoir-cap rock assemblages in Shahejie Formation from deep bed of west depression,Liaohe basin,China[J].Journal of Chengdu University of Technology, 1999,26(4):348～356]
[6]	吴朝容,郑荣才.辽河油田西部洼陷沙河街组高分辨率层序地层学特征[J].成都理工学院学报,1999,26(4):375～381[Wu C R, Zheng R C.High resolution sequence stratigraphic characteristics of Shahejie Formation in Liaohe oil field[J]. Journal of Chengdu University of Technology, 1999,26(4):375～381]
[7]	柳梅青,陈亦军,郑荣才.川西新场气田蓬莱镇组陆相地层高分辨率层序地层学研究[J].沉积学报,2000,18(1):50～56[Liu M Q, Chen Y J, Zheng R C. High-resolution sequence stratigraphy of terrestrial Penglaizhen Formation of Xinchang gas field in western Sichuan[J].Acta Sedimentologica Sinica, 2000,18(1):50～56]
[8]	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):241～244[Zheng R C, Wu C R, Ye T R. Research thinking of high-resolution sequence stratigraphy about a terrigenous basin[J]. Journal of Chengdu University of Technology, 2000, 27(3):241～244]
[9]	张尚峰,洪秀娥,郑荣才等. 应用高分辨率层序地层学对储层流动单元层次性进行分析[J]. 成都理工学院学报,2002, 29(4):147～151[Zhang S F, Hong X E, Zheng R C, et al. Application of high-resolution stratigraphic sequence to the analysis of levels of reservoir flow units[J]. Journal of Chengdu University of Technology, 2002, 29(4):147～151]
[10]	Cross T A. Stratigraphic controls on reservoir attributes in continental strata[J]. Earth Science Frontier, 2000,7(4):322～350
[11]	郑荣才,彭军. 陕北志丹三角洲长6油层组高分辨率层序分析与等时对比[J]. 沉积学报, 2002,20(1):92～100[Zheng R C, Peng J. Analysis and isochronostratigraphic correlation of high-resolution sequence stratigraphy for Chang-6 oil reservoir set in Zhidan delta,Northern Ordos basin[J]. Acta Sedimentologica Sinica, 2002,20(1):92～100]
[12]	郑荣才,彭军,韦景春,蔡勋育. 广西百色盆地下第三系层序地层学研究[R]. 成都:成都理工大学,2000[Zheng R C, Peng J, Wei J C, Cai X Y. Research of sequence stratigraphy of lower Tertiary in Baise basin of Guangxi[R].Chengdu:Chengdu University of Technology,2000]
[13]	郑荣才,彭军,彭光明,盘昌林. 子寅-塘寨区带E2n储层沉积微相研究[R]. 成都:成都理工大学,2000[Zheng R C, Peng J, Peng G M,Pan C L. Research of reservoir sedimentary facies of E2n Formation in Ziyin-Tangzai region[R].Chengdu:Chengdu University of Technology, 2000]
[14]	彭军,郑荣才,彭光明,盘昌林. 百色仑16块和百49块储层沉积微相[R]. 成都:成都理工大学,2000[Peng J, Zheng R C, Peng G M, Pan C L. Reservoir sedimentary facies of Lun-16 block and Lun-49 block in Baise basin[R]. Chengdu:Chengdu University of Technology, 2000]
[15]	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):249～245[Zheng R C, Peng J, Wu C R. Grade division of base-level cycles of terrigenous basin and its implication[J].Acta Sedimentologica Sinica, 2001,19(2):249～245]
[16]	罗超光,彭光明,陈珊. 百色油田分区块地质建模与油藏精细描述[R]. 南宁:滇黔桂油田分公司勘探开发研究院南宁分院, 1999[Luo C G, Peng G M, Chen S. Geologic constructive model of dividing region and accurate description of oil reservoir in Baise oil field[R]. Nanning: The Branch of Nanning of Research Institute of Exploration and Development of the Branch Company of Dianqiangui Oil Field,1999]
[17]	郑荣才,尹世民,彭军. 基准面旋回结构和叠加样式的沉积动力学分析[J]. 沉积学报, 2000,18(3):369～375[Zheng R C, Yin S M, Peng J. Sedimentary dynamic analysis of sequence structure and stacking pattern of base-level cycle[J].Acta Sedimentologica Sinica, 2000,18(3):369～375]
[18]	[英] 里丁 H. G.主编. 沉积环境和相[M]. 周明鉴,陈昌明,张疆等译. 北京:科学出版社,1986. 507～517[Reeding H J. ed. Zhou M J, Chen C M, Zhang J, et al., translated. Depositional environment and sedimentary facies[M].Beijing:Science Press, 1986. 507～517]

Analysis of High-Resolution Sequence Stratigraphy of the Second Member of Nadu Formation in Lun-35 Block of Baise Basin and Its Application in Development of Oil Reservoir

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