Diagenesis and Reservoir Porosity Evolution of the Lower Section of the 4th Member of Shahejie Formation in Bonan Sag

SONG Guo-qi; LIU Peng; LIU Ya-li

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Article Navigation > Acta Sedimentologica Sinica > 2014 > 32(5): 941-948

SONG Guo-qi, LIU Peng, LIU Ya-li. Diagenesis and Reservoir Porosity Evolution of the Lower Section of the 4th Member of Shahejie Formation in Bonan Sag[J]. Acta Sedimentologica Sinica, 2014, 32(5): 941-948.

Citation:

SONG Guo-qi, LIU Peng, LIU Ya-li. Diagenesis and Reservoir Porosity Evolution of the Lower Section of the 4th Member of Shahejie Formation in Bonan Sag[J]. Acta Sedimentologica Sinica, 2014, 32(5): 941-948.

Diagenesis and Reservoir Porosity Evolution of the Lower Section of the 4th Member of Shahejie Formation in Bonan Sag

1.
College of Geo-Science and Technique, China University of Petroleum(Hua Dong), Qingdao, Shandong 266580;
2.
Sinopec Shengli Oilfield Company, Dongying, Shandong 257001;
3.
Geological Science Research Institute, Sinopec Shengli Oilfield Company, Dongying, Shandong 257015

Received Date: 2014-03-24
Rev Recd Date: 2014-06-19
Publish Date: 2014-10-10

Abstract

In order to analyze diagenetic regularity and its effect to the formation about secondary pore and seek favorable exploration regions, detailed research has been carried on based on casting, scan electron microscope and X-ray diffraction data. The result shows that: be controlled by depositional environment, buried depths and organic acid, both of intensity and distribution range about the compaction, pressure solution, cementation, dissolution and metasomatism occurred in Bonan sag are different in dissimilar regions. The reservoir that distributed in fault zone in the centre of Bonan sag undergo acid and alkali alternately diagenetic environment that is controlled by fault system, distribution of source rock and abnormal overpressure that in the upper section of Es⁴. For this reason, secondary pore zones formed in the depths between 3 200 m and 4 600 m. The vertical evolution of porosity about reservoir that distributed along the edge of Bonan sag present normal compaction curve. At last, with the guidance of evolution characteristics of secondary pore, combining distribution characteristics of oil-bearing area that have been ascertained, we forecasted the favorable exploration areas including braided channel that distributed in midwest and braided river delta front that distributed in northern of Bonan sag.
- favorable exploration areas,
- diagenesis,
- secondary pores,
- lower section of the 4th member of Shahejie Formation,
- Bonan sag

References

[1]	张福顺, 朱允辉, 王芙蓉. 准噶尔盆地腹部深埋储层次生孔隙成因机理研究[J]. 沉积学报, 2008, 26(3):469-478[Zhang Fushun, Zhu Yunhui, Wang Furong. Forming mechanism of secondary pores in deep buried reservoirs of Junggar Basin[J]. Acta Sedimentologica Sinica, 2008, 26(3): 469-478]
[2]	司学强, 张金亮. 博兴洼陷沙四上亚段滩坝砂岩次生孔隙形成机制[J]. 地质科技情报, 2008, 27(1):59-63[Si Xueqiang, Zhang Jinliang. Mechanism of secondary pore of the beach bar sandstones in the Upper Es⁴ of the Palaeogene, Boxing sag[J]. Geological Science and Technology Information, 2008, 27(1): 59-63]
[3]	Veerle Vandeginste, Rudy Swennen, Sarah A Gleeson, et al. Development of secondary porosity in the Fairholme carbonate complex (southwest Alberta, Canada)[J]. Journal of Geochemical Exploration, 2006, 89(1/2/3): 394-397
[4]	Knut Bjrlykke, Jens Jahren. Open or closed geochemical systems during diagenesis in sedimentary basins: Constraints on mass transfer during diagenesis and the prediction of porosity in sandstone and carbonate reservoirs[J]. AAPG Bulletin, 2012, 96(12): 2193-2214
[5]	吴林钢, 李秀生, 郭小波, 等. 马朗凹陷芦草沟组页岩油储层成岩演化与溶蚀孔隙形成机制[J]. 中国石油大学学报:自然科学版, 2012, 36(3):38-44[Wu Lingang, Li Xiusheng, Guo Xiaobo, et al. Diagenetic evolution and formation mechanism of dissolved pore of shale oil reservoirs of Lucaogou Formation in Malang sag[J]. Journal of China University of Petroleum, 2012, 36(3): 38-44]
[6]	李文浩, 张枝焕, 昝灵, 等. 渤南洼陷北部陡坡带沙河街组砂砾岩有效储层物性下限及其主控因素[J]. 石油与天然气地质, 2012, 33(5):766-777[Li Wenhao, Zhang Zhihuan, Zan Ling, et al. Lower limits of physical properties and their controlling factors of effective coarse-grained clastic reservoirs in the Shahejie Formation in northern steep slope of Bonan subsag, Bohai Bay Basin[J]. Oil & Gas Geology, 2012, 33(5): 766-777]
[7]	昝灵, 张枝焕, 王顺华, 等. 渤南洼陷北部陡坡带砂砾岩储层成岩作用研究[J]. 天然气地球科学, 2011, 22(2): 299-306[Zan Ling, Zhang Zhihuan, Wang Shunhua, et al. Diagenesis of sandy conglomerate reservoir in northern steep slope of Bonan subsag[J]. Natural Gas Geoscience, 2011, 22(2): 299-306]
[8]	徐兴友, 徐国盛, 秦润森. 沾化凹陷渤南洼陷沙四段油气成藏研究[J]. 成都理工大学学报:自然科学版, 2008, 35(2):113-120[Xu Xingyou, Xu Guosheng, Qin Runsen. Study on hydrocarbon migration and accumulation of Member 4 of Shahejie Formation in Bonan sag, Zhanhua depression, China[J]. Journal of Chengdu University of Technology: Science & Technology Edition, 2008, 35(2): 113-120]
[9]	郭瑞超, 李延钧, 王廷栋, 等. 胜利油田渤南洼陷古近系油气源与成藏特征[J]. 新疆石油地质, 2009, 30(6):674-676[Guo Ruichao, Li Yanjun, Wang Tingdong, et al. Oil-gas source and accumulation characteristics of Paleogene in Bonan sub-sag in Shengli oil field[J]. Xinjiang Petroleum Geology, 2009, 30(6): 674-676]
[10]	吴富强, 李后蜀, 胡雪, 等. 沾化凹陷渤南洼陷沙四段成岩史恢复及成岩模式建立[J]. 油气地质与采收率, 2001, 8(6):1-4[Wu Fuqiang, Li Houshu, Hu Xue, et al. Diagenetic history of Es4 in Bonan subsag of Zhanhua sag and establishment of diagenetic model[J]. Petroleum Geology and Recovery Efficiency, 2001, 8(6): 1-4]
[11]	周瑶琪, 周振柱, 陈勇, 等. 东营凹陷民丰地区深部储层成岩环境变化研究[J]. 地学前缘, 2011, 18(2):268-276[Zhou Yaoqi, Zhou Zhenzhu, Chen Yong, et al. Research on diagenetic environmental changes of deep reservoir in Minfeng area, Dongying sag[J]. Earth Science Frontiers, 2011, 18(2): 268-276]
[12]	梁建设, 王琪, 郝乐伟, 等. 西湖凹陷渐新统花港组储层砂岩成岩环境演化探讨[J]. 天然气地球科学, 2012, 23(4):673-680[Liang Jianshe, Wang Qi, Hao Lewei, et al. Evolution of diagenetic environments for Oiligocene Huaguang Formation sandstone in Xihu sag[J]. Natural Gas Geoscience, 2012, 23(4): 673-680]
[13]	崔勇, 赵澄林. 深层砂岩次生孔隙的成因及其与异常超压泄漏的关系——以黄骅坳陷板桥凹陷板中地区滨Ⅳ油组为例[J]. 成都理工学院学报, 2002, 29(1):49-52[Cui Yong, Zhao Chenglin. Secondary porosity generation and the relationship associated with overpressure leakage[J]. Journal of Chengdu University of Technology, 2002, 29(1): 49-52]
[14]	郝乐伟, 王琪, 廖朋, 等. 番禺低隆起—白云凹陷北坡第三系储层次生孔隙形成机理分析[J]. 沉积学报, 2011, 29(4):734-743[Hao Lewei, Wang Qi, Liao Peng, et al. Forming mechanism of secondary porosity in Tertiary reservoirs in Panyu Low Uplift and north slope of Baiyun sag[J]. Acta Sedimentologica Sinica, 2011, 29(4): 734-743]
[15]	王勇, 钟建华, 马锋, 等. 济阳坳陷陡坡带深层砂砾岩体次生孔隙成因机制探讨[J]. 地质学报, 2008, 82(8):1152-1160[Wang Yong, Zhong Jianhua, Ma Feng, et al. The mechanism of secondary porosity in the deep-seated gravel reservoirs on the steep slope belt, Jiyang depression[J]. Acta Geological Sinica, 2008, 82(8): 1152-1160]
[16]	黄洁, 朱如凯, 侯读杰, 等. 深部碎屑岩储层次生孔隙发育机理研究进展[J]. 地质科技情报, 2007, 26(6):76-82[Huang Jie, Zhu Rukai, Hou Dujie, et al. The new advances of secondary porosity genesis mechanism in deep clastic reservoir[J]. Geological Science and Technology Information, 2007, 26(6): 76-82]
[17]	邱隆伟, 赵伟, 刘魁元. 碱性成岩作用及其在济阳坳陷的应用展望[J]. 油气地质与采收率, 2007, 14(2):10-16[Qiu Longwei, Zhao Wei, Liu Kuiyuan. Alkali diagenesis and its application in Jiyang depression[J]. Petroleum Geology and Recovery Efficiency, 2007, 14(2): 10-16]
[18]	唐雁刚, 罗金海, 马玉杰, 等. 库车坳陷下侏罗统碱性成岩环境对储集物性的影响[J]. 新疆石油地质, 2011, 32(4):356-358[Tang Yangang, Luo Jinhai, Ma Yujie, et al. Effect of alkaline diagenetic environment of Lower Jurassic on reservoir property in Kuqa depression[J]. Xinjiang Petroleum Geology, 2011, 32(4): 356-358]
[19]	陈方文, 卢双舫, 黄振凯, 等. 松辽盆地古龙凹陷青一段沉积特征及有利勘探区[J]. 中南大学学报:自然科学版, 2013, 44(5):1955-1963[Chen Fangwen, Lu Shuangfang, Huang Zhenkai, et al. Sedimentary characteristics and favorable exploration zone of K₁qn¹ in Gulong depression of Songliao Basin[J]. Journal of Central South University: Science and Technology, 2013, 44(5): 1955-1963]
[20]	Esteban M, Taberner C. Secondary porosity development during late burial in carbonate reservoirs as a result of mixing and/or cooling of brines[J]. Journal of Geochemical Exploration, 2003, 79: 355-359
[21]	Franca A B, Araujo L M, Maynard J B, et al. Secondary porosity formed by deep meteoric leaching: Botucatu eolianite, southern South America[J]. AAPG Bulletin, 2013, 87(7): 1073-1082

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Diagenesis and Reservoir Porosity Evolution of the Lower Section of the 4th Member of Shahejie Formation in Bonan Sag

1. College of Geo-Science and Technique, China University of Petroleum(Hua Dong), Qingdao, Shandong 266580;

2. Sinopec Shengli Oilfield Company, Dongying, Shandong 257001;

3. Geological Science Research Institute, Sinopec Shengli Oilfield Company, Dongying, Shandong 257015

Received Date: 2014-03-24

Rev Recd Date: 2014-06-19

Publish Date: 2014-10-10

Key words:

favorable exploration areas /
diagenesis /
secondary pores /
lower section of the 4th member of Shahejie Formation /
Bonan sag

Abstract: In order to analyze diagenetic regularity and its effect to the formation about secondary pore and seek favorable exploration regions, detailed research has been carried on based on casting, scan electron microscope and X-ray diffraction data. The result shows that: be controlled by depositional environment, buried depths and organic acid, both of intensity and distribution range about the compaction, pressure solution, cementation, dissolution and metasomatism occurred in Bonan sag are different in dissimilar regions. The reservoir that distributed in fault zone in the centre of Bonan sag undergo acid and alkali alternately diagenetic environment that is controlled by fault system, distribution of source rock and abnormal overpressure that in the upper section of Es⁴. For this reason, secondary pore zones formed in the depths between 3 200 m and 4 600 m. The vertical evolution of porosity about reservoir that distributed along the edge of Bonan sag present normal compaction curve. At last, with the guidance of evolution characteristics of secondary pore, combining distribution characteristics of oil-bearing area that have been ascertained, we forecasted the favorable exploration areas including braided channel that distributed in midwest and braided river delta front that distributed in northern of Bonan sag.

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Reference (21)

[1]	张福顺, 朱允辉, 王芙蓉. 准噶尔盆地腹部深埋储层次生孔隙成因机理研究[J]. 沉积学报, 2008, 26(3):469-478[Zhang Fushun, Zhu Yunhui, Wang Furong. Forming mechanism of secondary pores in deep buried reservoirs of Junggar Basin[J]. Acta Sedimentologica Sinica, 2008, 26(3): 469-478]
[2]	司学强, 张金亮. 博兴洼陷沙四上亚段滩坝砂岩次生孔隙形成机制[J]. 地质科技情报, 2008, 27(1):59-63[Si Xueqiang, Zhang Jinliang. Mechanism of secondary pore of the beach bar sandstones in the Upper Es⁴ of the Palaeogene, Boxing sag[J]. Geological Science and Technology Information, 2008, 27(1): 59-63]
[3]	Veerle Vandeginste, Rudy Swennen, Sarah A Gleeson, et al. Development of secondary porosity in the Fairholme carbonate complex (southwest Alberta, Canada)[J]. Journal of Geochemical Exploration, 2006, 89(1/2/3): 394-397
[4]	Knut Bjrlykke, Jens Jahren. Open or closed geochemical systems during diagenesis in sedimentary basins: Constraints on mass transfer during diagenesis and the prediction of porosity in sandstone and carbonate reservoirs[J]. AAPG Bulletin, 2012, 96(12): 2193-2214
[5]	吴林钢, 李秀生, 郭小波, 等. 马朗凹陷芦草沟组页岩油储层成岩演化与溶蚀孔隙形成机制[J]. 中国石油大学学报:自然科学版, 2012, 36(3):38-44[Wu Lingang, Li Xiusheng, Guo Xiaobo, et al. Diagenetic evolution and formation mechanism of dissolved pore of shale oil reservoirs of Lucaogou Formation in Malang sag[J]. Journal of China University of Petroleum, 2012, 36(3): 38-44]
[6]	李文浩, 张枝焕, 昝灵, 等. 渤南洼陷北部陡坡带沙河街组砂砾岩有效储层物性下限及其主控因素[J]. 石油与天然气地质, 2012, 33(5):766-777[Li Wenhao, Zhang Zhihuan, Zan Ling, et al. Lower limits of physical properties and their controlling factors of effective coarse-grained clastic reservoirs in the Shahejie Formation in northern steep slope of Bonan subsag, Bohai Bay Basin[J]. Oil & Gas Geology, 2012, 33(5): 766-777]
[7]	昝灵, 张枝焕, 王顺华, 等. 渤南洼陷北部陡坡带砂砾岩储层成岩作用研究[J]. 天然气地球科学, 2011, 22(2): 299-306[Zan Ling, Zhang Zhihuan, Wang Shunhua, et al. Diagenesis of sandy conglomerate reservoir in northern steep slope of Bonan subsag[J]. Natural Gas Geoscience, 2011, 22(2): 299-306]
[8]	徐兴友, 徐国盛, 秦润森. 沾化凹陷渤南洼陷沙四段油气成藏研究[J]. 成都理工大学学报:自然科学版, 2008, 35(2):113-120[Xu Xingyou, Xu Guosheng, Qin Runsen. Study on hydrocarbon migration and accumulation of Member 4 of Shahejie Formation in Bonan sag, Zhanhua depression, China[J]. Journal of Chengdu University of Technology: Science & Technology Edition, 2008, 35(2): 113-120]
[9]	郭瑞超, 李延钧, 王廷栋, 等. 胜利油田渤南洼陷古近系油气源与成藏特征[J]. 新疆石油地质, 2009, 30(6):674-676[Guo Ruichao, Li Yanjun, Wang Tingdong, et al. Oil-gas source and accumulation characteristics of Paleogene in Bonan sub-sag in Shengli oil field[J]. Xinjiang Petroleum Geology, 2009, 30(6): 674-676]
[10]	吴富强, 李后蜀, 胡雪, 等. 沾化凹陷渤南洼陷沙四段成岩史恢复及成岩模式建立[J]. 油气地质与采收率, 2001, 8(6):1-4[Wu Fuqiang, Li Houshu, Hu Xue, et al. Diagenetic history of Es4 in Bonan subsag of Zhanhua sag and establishment of diagenetic model[J]. Petroleum Geology and Recovery Efficiency, 2001, 8(6): 1-4]
[11]	周瑶琪, 周振柱, 陈勇, 等. 东营凹陷民丰地区深部储层成岩环境变化研究[J]. 地学前缘, 2011, 18(2):268-276[Zhou Yaoqi, Zhou Zhenzhu, Chen Yong, et al. Research on diagenetic environmental changes of deep reservoir in Minfeng area, Dongying sag[J]. Earth Science Frontiers, 2011, 18(2): 268-276]
[12]	梁建设, 王琪, 郝乐伟, 等. 西湖凹陷渐新统花港组储层砂岩成岩环境演化探讨[J]. 天然气地球科学, 2012, 23(4):673-680[Liang Jianshe, Wang Qi, Hao Lewei, et al. Evolution of diagenetic environments for Oiligocene Huaguang Formation sandstone in Xihu sag[J]. Natural Gas Geoscience, 2012, 23(4): 673-680]
[13]	崔勇, 赵澄林. 深层砂岩次生孔隙的成因及其与异常超压泄漏的关系——以黄骅坳陷板桥凹陷板中地区滨Ⅳ油组为例[J]. 成都理工学院学报, 2002, 29(1):49-52[Cui Yong, Zhao Chenglin. Secondary porosity generation and the relationship associated with overpressure leakage[J]. Journal of Chengdu University of Technology, 2002, 29(1): 49-52]
[14]	郝乐伟, 王琪, 廖朋, 等. 番禺低隆起—白云凹陷北坡第三系储层次生孔隙形成机理分析[J]. 沉积学报, 2011, 29(4):734-743[Hao Lewei, Wang Qi, Liao Peng, et al. Forming mechanism of secondary porosity in Tertiary reservoirs in Panyu Low Uplift and north slope of Baiyun sag[J]. Acta Sedimentologica Sinica, 2011, 29(4): 734-743]
[15]	王勇, 钟建华, 马锋, 等. 济阳坳陷陡坡带深层砂砾岩体次生孔隙成因机制探讨[J]. 地质学报, 2008, 82(8):1152-1160[Wang Yong, Zhong Jianhua, Ma Feng, et al. The mechanism of secondary porosity in the deep-seated gravel reservoirs on the steep slope belt, Jiyang depression[J]. Acta Geological Sinica, 2008, 82(8): 1152-1160]
[16]	黄洁, 朱如凯, 侯读杰, 等. 深部碎屑岩储层次生孔隙发育机理研究进展[J]. 地质科技情报, 2007, 26(6):76-82[Huang Jie, Zhu Rukai, Hou Dujie, et al. The new advances of secondary porosity genesis mechanism in deep clastic reservoir[J]. Geological Science and Technology Information, 2007, 26(6): 76-82]
[17]	邱隆伟, 赵伟, 刘魁元. 碱性成岩作用及其在济阳坳陷的应用展望[J]. 油气地质与采收率, 2007, 14(2):10-16[Qiu Longwei, Zhao Wei, Liu Kuiyuan. Alkali diagenesis and its application in Jiyang depression[J]. Petroleum Geology and Recovery Efficiency, 2007, 14(2): 10-16]
[18]	唐雁刚, 罗金海, 马玉杰, 等. 库车坳陷下侏罗统碱性成岩环境对储集物性的影响[J]. 新疆石油地质, 2011, 32(4):356-358[Tang Yangang, Luo Jinhai, Ma Yujie, et al. Effect of alkaline diagenetic environment of Lower Jurassic on reservoir property in Kuqa depression[J]. Xinjiang Petroleum Geology, 2011, 32(4): 356-358]
[19]	陈方文, 卢双舫, 黄振凯, 等. 松辽盆地古龙凹陷青一段沉积特征及有利勘探区[J]. 中南大学学报:自然科学版, 2013, 44(5):1955-1963[Chen Fangwen, Lu Shuangfang, Huang Zhenkai, et al. Sedimentary characteristics and favorable exploration zone of K₁qn¹ in Gulong depression of Songliao Basin[J]. Journal of Central South University: Science and Technology, 2013, 44(5): 1955-1963]
[20]	Esteban M, Taberner C. Secondary porosity development during late burial in carbonate reservoirs as a result of mixing and/or cooling of brines[J]. Journal of Geochemical Exploration, 2003, 79: 355-359
[21]	Franca A B, Araujo L M, Maynard J B, et al. Secondary porosity formed by deep meteoric leaching: Botucatu eolianite, southern South America[J]. AAPG Bulletin, 2013, 87(7): 1073-1082

Diagenesis and Reservoir Porosity Evolution of the Lower Section of the 4th Member of Shahejie Formation in Bonan Sag

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References

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通讯作者: 陈斌, bchen63@163.com

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