Petroleum Reservoir Evaluation and Development ›› 2023, Vol. 13 ›› Issue (5): 559-568.doi: 10.13809/j.cnki.cn32-1825/te.2023.05.003
• Tight Gas • Previous Articles Next Articles
YAN Lini(),ZHU Hongquan,YE Sujuan,ZHU Li
Received:
2023-04-27
Online:
2023-10-26
Published:
2023-11-01
CLC Number:
YAN Lini, ZHU Hongquan, YE Sujuan, ZHU Li. Origin of “cake-like” fractures and its significance for gas exploration in the second member of Xujiahe Formation of Xinchang structural belt[J].Petroleum Reservoir Evaluation and Development, 2023, 13(5): 559-568.
Table 1
Characteristics of “cake-like” fractures in the second member of Xujiahe Formation of Xinchang structural belt"
砂组 | 岩心 长度/m | “饼状”缝 心长/m | 缝密度/ (条/m) | 平缝/ 条 | 低角缝/ 条 | 斜缝及 高角缝/条 | 全充填/ 条 | 半充填/ 条 | 未充填/ 条 | 充填物 | 典型井 |
---|---|---|---|---|---|---|---|---|---|---|---|
须二段1砂组 | 255.28 | 0.04 | 125 | 0 | 5 | 0 | 0 | 0 | 5 | 未充填 | 无 |
须二段2砂组 | 267.16 | 6.26 | 23.7~88.3 | 210 | 8 | 2 | 0 | 9 | 209 | 泥质 | A201、A5、A6 |
须二段3砂组 | 67.20 | 12.04 | 50~214 | 558 | 43 | 0 | 56 | 26 | 519 | 炭质、沥青 | G3、A201 |
须二段4砂组 | 218.06 | 39.77 | 14~633 | 1 916 | 53 | 3 | 20 | 16 | 1 630 | 炭质、沥青 | G61、X60、A10、A201、A203、A5、A8 |
须二段5砂组 | 76.73 | 6.71 | 25~225 | 570 | 16 | 0 | 34 | 70 | 482 | 炭质、沥青 | A11、A6、A10、A7、A5 |
须二段6砂组 | 54.85 | 1.47 | 26~171 | 180 | 0 | 0 | 0 | 0 | 180 | 未充填 | A11、A203 |
须二段7砂组 | 49.52 | 2.75 | 36~80 | 130 | 0 | 0 | 0 | 0 | 130 | 未充填 | A7、A8 |
Table 2
Comparison of different types of “cake-like” fractures in Xinchang structural belt"
“饼状”缝 类型 | 破裂厚度 | 岩石类型 | 粒度 | 胶结物 | 成岩作用 | 物性 | 沉积微相 | 含气性 |
---|---|---|---|---|---|---|---|---|
薄层 “酥饼”缝 | 0.2~1 cm 平均0.5 cm | 岩屑石英砂岩、长石石英砂岩、石英砂岩 | 粗粒为主 | 石英加大边 | 石英次生加大、溶蚀作用 | 平均孔隙度4.6 %,平均渗透率0.147×10-3 μm2 | 岩石类型和粒度均顶底突变的孤立水下分流河道 | 工业气层、 气水同层、 含气层、干层 |
中厚层不等距缝 | 1~3 cm, 平均2.5 cm | 长石砂岩、岩屑长石砂岩 | 中粒为主,少量粗粒 | 硅质胶结为主(包括石英加大及自生石英充填),少量碳酸盐及伊利石 | 溶蚀作用、压实作用 | 平均孔隙度4.3 %,平均渗透率0.364×10-3 μm2 | 粗、中、细粒砂岩薄互层的水下分流河道 | 工业气层、 气水同层、 含气层、干层 |
中厚层等距缝 | 1~6 cm, 平均3.4 cm | 岩屑砂岩、长石岩屑砂岩 | 中粒为主,部分细粒 | 碳酸盐及伊利石胶结为主 | 强压实、强碳酸盐胶结 | 平均孔隙度2.2 %,平均渗透率0.07×10-3 μm2 | 细、中粒富碳酸盐砂与贫碳酸盐砂互层的水下分流河道或河口坝微相 | 干层为主,少量含气层 |
[1] | 王春梅, 黄思静, 孙治雷, 等. 川西坳陷须家河组致密砂岩储层裂缝发育特征及其成因——以孝泉—新场—合兴场地区为例[J]. 天然气工业, 2011, 31(8): 43-47. |
WANG Chunmei, HUANG Sijing, SUN Zhilei, et al. Characteristics and origin of fractures in tight sandstone reservoirs of the Xujiahe Formation in the western Sichuan Depression: A case study in the Xiaoquan-Xinchang-Hexingchang area[J]. Natural Gas Industry, 2011, 31(8): 43-47. | |
[2] | 李王鹏, 刘忠群, 胡宗全, 等. 四川盆地川西坳陷新场须家河组二段致密砂岩储层裂缝发育特征及主控因素[J]. 石油与天然气地质, 2021, 42(4): 884-897. |
LI Wangpeng, LIU Zhongqun, HU Zongquan, et al. Characteristics of and main factors controlling the tight sandstone reservoir fractures in the 2nd member of Xujiahe Formation in Xinchang area,western Sichuan Depression,Sichuan Basin[J]. Oil & Gas Geology, 2021, 42(4): 884-897. | |
[3] | 王亮国, 李学明, 王志文, 等. 川西地区须二段致密砂岩储层裂缝特征及识别[J]. 成都理工大学学报(自然科学版), 2012, 39(2): 45-50. |
WANG Liangguo, LI Xueming, WANG Zhiwen, et al. Characteristics and identification of tight sandstone reservoir fractures in Member 2 of Xujiahe Formation,West Sichuan,China[J]. Journal of Chengdu University of Technology(Science & Technology Edition), 2012, 39(2): 45-50. | |
[4] | 商晓飞, 李蒙, 刘君龙, 等. 基于源—汇系统的砂体分布预测与三维地质建模——以四川盆地川西坳陷新场构造带须二段为例[J]. 天然气工业, 2022, 42(1): 62-72. |
SHANG Xiaofei, LI Meng, LIU Junlong, et al. Source-sink system based sand body distribution prediction and 3D geological modeling:A case study of the 2nd Member of Xujiahe Formation in Xinchang structural belt of western Sichuan Depression, Sichuan Basin[J]. Natural Gas Industry, 2022, 42(1): 62-72. | |
[5] | 葛祥, 张筠, 吴见萌. 川西须家河组致密碎屑岩裂缝与储层评价[J]. 测井技术, 2007, 31(3): 19-23. |
GE Xiang, ZHANG Yun, WU Jianmeng. Fracture and reservoir evaluation for tight clastic rock of Xujiahe Formation in West Sichuan[J]. Well Logging Technology, 2007, 31(3): 19-23. | |
[6] | 邓虎成, 周文, 周秋媚, 等. 新场气田须二气藏天然裂缝有效性定量表征方法及应用[J]. 岩石学报, 2013, 29(3): 1087-1097. |
DENG Hucheng, ZHOU Wen, ZHOU Qiumei, et al. Quantification characterization of the valid natural fractures in the 2nd Xu Member,Xinchang gas field[J]. Acta Petrologica Sinica, 2013, 29(3): 1087-1097. | |
[7] | 刘俊州, 韩磊, 时磊, 等. 致密砂岩储层多尺度裂缝地震预测技术——以川西XC地区为例[J]. 石油与天然气地质, 2021, 42(3): 747-754. |
LIU Junzhou, HAN Lei, SHI Lei, et al. Seismic prediction of tight sandstone reservoir fractures in XC area, western Sichuan Basin[J]. Oil & Gas Geology, 2021, 42(3): 747-754. | |
[8] | 刘志远, 李浩, 武清钊, 等. 致密砂岩裂缝测井识别特色技术及其应用效果——以四川盆地川西坳陷新场气田上三叠统须家河组为例[J]. 石油与天然气地质, 2021, 42(4): 981-991. |
LIU Zhiyuan, LI Hao, WU Qingzhao, et al. Characteristics and application effect of logging-based fracture identification in tight sandstones: A case study of the Upper Triassic Xu 2 Member in western Sichuan Depression, Sichuan Basin[J]. Oil & Gas Geology, 2021, 42(4): 981-991. | |
[9] | 孔祥伟, 万雄, 郭照越, 等. 致密砂岩油藏体积压裂技术适应性评价及压裂参数优化[J]. 石油与天然气化工, 2023, 52(2): 81-86. |
KONG Xiangwei, WAN Xiong, GUO Zhaoyue, et al. Adaptive evaluation and optimization of volumetric fracturing parameters in tight sandstone reservoirs[J]. Chemical Engineering of Oil & Gas, 2023, 52(2): 81-86. | |
[10] | 高伟, 曹廷宽, 李凤. 新场气田致密砂岩气藏采收率影响因素分析[J]. 石油地质与工程, 2022, 36(5): 61-65. |
GAO Wei, CAO Tingkuan, LI Feng. Influencing factors of recovery factor in tight sandstone gas reservoir in Xinchang gas field[J]. Petroleum Geology & Engineering, 2022, 36(5): 61-65. | |
[11] | 米伟伟, 谢小飞, 曹红霞, 等. 鄂尔多斯盆地东南部二叠系山2—盒8段致密砂岩储层特征及主控因素[J]. 岩性油气藏, 2022, 34(6): 101-117. |
MI Weiwei, XIE Xiaofei, CAO Hongxia, et al. Characteristics and main controlling factors of tight sandstone reservoirs of Permian Shan 2 to He 8 members in southeastern Ordos Basin[J]. Lithologic Reservoirs, 2022, 34(6): 101-117. | |
[12] | 吴小奇, 周小进, 陈迎宾, 等. 四川盆地川西坳陷上三叠统须家河组烃源岩分子地球化学特征[J]. 石油实验地质, 2022, 44(5): 854-865. |
WU Xiaoqi, ZHOU Xiaojin, CHEN Yingbin, et al. Molecular characteristics of source rocks in Upper Triassic Xujiahe Formation, western Sichuan Depression, Sichuan Basin[J]. Petroleum Geology & Experiment, 2022, 44(5): 854-865. | |
[13] | 刘君龙, 胡宗全, 刘忠群, 等. 四川盆地川西坳陷新场须家河组二段气藏甜点模式及形成机理[J]. 石油与天然气地质, 2021, 42(4): 852-862. |
LIU Junlong, HU Zongquan, LIU Zhongqun, et al. Gas pool sweet spot models and their forming mechanism in the Xu 2 Member in Xinchang area, western Sichuan Depression, Sichuan Basin[J]. Oil & Gas Geology, 2021, 42(4): 852-862. | |
[14] | 刘振峰, 刘忠群, 郭元岭, 等. 断缝体概念、地质模式及其在裂缝预测中的应用——以四川盆地川西坳陷新场地区须家河组二段致密砂岩气藏为例[J]. 石油与天然气地质, 2021, 42(4): 973-980. |
LIU Zhenfeng, LIU Zhongquan, GUO Yuanling, et al. Concept and geological model of fault-fracture reservoir and their application in seismic fracture prediction:A case study on the Xu 2 Member tight sandstone gas pool in Xinchang area,western Sichuan Depression in Sichuan Basin[J]. Oil & Gas Geology, 2021, 42(4): 973-980. | |
[15] |
刘君龙, 刘忠群, 肖开华, 等. 四川盆地新场地区三叠系须家河组二段致密砂岩有利岩石相表征及油气地质意义[J]. 石油勘探与开发, 2020, 47(6): 1111-1121.
doi: 10.11698/PED.2020.06.05 |
LIU Junlong, LIU Zhongqun, XIAO Kaihua, et al. Characterization of favorable lithofacies in tight sandstone reservoirs and its significance for gas exploration and exploitation:A case study of the 2nd Member of Triassic Xujiahe Formation in the Xinchang area, Sichuan Basin[J]. Petroleum Exploration and Development, 2020, 47(6): 1111-1121.
doi: 10.11698/PED.2020.06.05 |
|
[16] |
曾联波, 王正国, 肖淑容, 等. 中国西部盆地挤压逆冲构造带低角度裂缝的成因及意义[J]. 石油学报, 2009, 30(1): 56-60.
doi: 10.7623/syxb200901012 |
ZENG Lianbo, WANG Zhengguo, XIAO Shurong, et al. The origin and geological significance of low dip-angle fractures in the thrust zones of the western basins of China[J]. Acta Petrolei Sinica, 2009, 30(1): 56-60.
doi: 10.7623/syxb200901012 |
|
[17] | 罗群, 魏浩元, 刘冬冬, 等. 层理缝在致密油成藏富集中的意义、研究进展及其趋势[J]. 石油学报, 2017, 39(1): 1-7. |
LUO Qun, WEI Haoyuan, LIU Dongdong, et al. Research significance, advances and trends on the role of bedding fracture in tight oil accumulation[J]. Petroleum Geology & Experiment, 2017, 39(1): 1-7. | |
[18] | 刘伟新, 卢龙飞, 叶德燎, 等. 川东南地区奥陶系五峰组—志留系龙马溪组页岩气异常压力封存箱剖析与形成机制[J]. 石油实验地质, 2022, 44(5): 804-814. |
LIU Weixin, LU Longfei, YE Deliao, et al. Significance and Formation mechanism of abnormally pressured compartments of shale gas in the Ordovician Wufeng-Silurian Longmaxi Formations, southeastern Sichuan Basin[J]. Petroleum Geology & Experiment, 2022, 44(5): 804-814. | |
[19] |
曾联波, 吕文雅, 徐翔, 等. 典型致密砂岩与页岩层理缝的发育特征,形成机理及油气意义[J]. 石油学报, 2022, 43(2): 180-191.
doi: 10.7623/syxb202202002 |
ZENG Lianbo, LYU Wenya, XU Xiang, et al. Development characteristics,formation mechanism and hydrocarbon significance of bedding fractures in typical tight sandstone and shale[J]. Acta Petrolei Sinica, 2022, 43(2): 180-191.
doi: 10.7623/syxb202202002 |
|
[20] | 刘红磊, 仲冠宇. 各向异性地层定向射孔压裂裂缝发展形态研究[J]. 石油地质与工程, 2022, 36(3): 93-98. |
LIU Honglei, ZHONG Guanyu. Fracture pattern of oriented perforating hydraulic fracture in anisotropic formation[J]. Petroleum Geology & Engineering, 2022, 36(3): 93-98. | |
[21] | 张玉晔, 高建武, 赵靖舟, 等. 鄂尔多斯盆地东南部长6油层组致密砂岩成岩作用及其孔隙度定量恢复[J]. 岩性油气藏, 2021, 33(6): 29-38. |
ZHANG Yuye, GAO Jianwu, ZHAO Jingzhou, et al. Diagenesis and pore evolution of Chang 6 tight sandstone reservoir in southeastern Ordos Basin[J]. Lithologic Reservoirs, 2021, 33(6): 29-38. | |
[22] | 王永骁, 付斯一, 张成弓, 等. 鄂尔多斯盆地东部山西组2段致密砂岩储层特征[J]. 岩性油气藏, 2021, 33(6): 12-20. |
WANG Yongxiao, FU Siyi, ZHANG Chenggong, et al. Characteristics of tight sandstone reservoirs of the second member of Shanxi Formation in Eastern Ordos Basin[J]. Lithologic Reservoirs, 2021, 33(6): 12-20. | |
[23] | 油气田开发专业标准化技术委员会. 气藏描述方法: SY/T 6110—2016[S]. 北京: 石油工业出版社, 2016. |
Standardization Technical Committee of Oil and Gas Field Development. The method for gas reservoir: SY/T 6110—2016[S]. Beijing: Petroleum Industry Press, 2016. | |
[24] | 田军, 张世华, 叶素娟, 等. 川西拗陷新场构造带须二段气藏类型划分及成藏主控因素[J]. 成都理工大学学报(自然科学版), 2017, 44(6): 659-667. |
TIAN Jun, ZHANG Shihua, YE Sujuan, et al. Classification of gas accumulation types and main controlling factors of gas accumulation of the Xu-2 Member in Xinchang structural zone,western Sichuan Depression,China[J]. Journal of Chengdu University of Technology(Science & Technology Edition), 2017, 44(6): 659-667. | |
[25] | 韩磊, 刘俊州, 杨睿, 等. 基于VTI介质的叠前弹性阻抗反演方法应用——以川西坳陷须家河组致密砂岩裂缝性储层为例[J]. 油气藏评价与开发, 2022, 12(2): 313-319. |
HAN Lei, LIU Junzhou, YANG Rui, et al. Application of pre-stack elastic impedance inversion method based on VTI medium: A case of tight sandstone fractured reservoir in Xujiahe Formation, western Sichuan Depression[J]. Petroleum Reservoir Evaluation and Development, 2022, 12(2): 313-319. | |
[26] | 李伟, 王雪柯, 赵容容, 等. 川西前陆盆地上三叠统须家河组致密砂岩气藏超压体系形成演化与天然气聚集关系[J]. 天然气工业, 2022, 42(1): 25-39. |
LI Wei, WANG Xueke, ZHAO Rongrong, et al. Formation and evolution of overpressure system in tight sandstone gas reservoir of Xujiahe Formation of Upper Triassic in the Western Sichuan Foreland Basin and its relationship with natural gas accumulation[J]. Natural Gas Industry, 2022, 42(1): 25-39. | |
[27] | 唐波涛, 曾冀, 陈伟华, 等. 川中秋林地区致密砂岩水平井多簇射孔优化设计方法及应用效果[J]. 油气藏评价与开发, 2022, 12(2): 337-344. |
TANG Botao, ZENG Ji, CHEN Weihua, et al. Multi cluster perforation optimization design method and its application effect of tight sandstone horizontal wells in Qiulin area, central Sichuan[J]. Petroleum Reservoir Evaluation and Development, 2022, 12(2): 337-344. |
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