缝洞型碳酸盐岩储集层连通性刻画及应用

doi:10.7657/XJPG20220209

摘要/Abstract

摘要：

针对缝洞型碳酸盐岩油藏储集层非均质性强、连通单元识别难度大、井间连通性认识不清和油藏高效开发困难的问题,运用相控反演与最大似然属性刻画缝洞集合体与大尺度裂缝空间展布,识别连通单元,明确井间连通方式以及剩余油潜力,基于单井动态资料进行连通性分析,验证静态资料连通性刻画结果的合理性。应用于轮古7井区轮古7-5井组注气开发,为井组注替、开发策略制定提供依据,进一步提高油藏开发效益。

关键词: 碳酸盐岩, 缝洞型储集层, 连通性, 相控反演, 最大似然属性, 裂缝, 连通单元, 注气开发

Abstract:

Fractured-vuggy carbonate reservoirs are difficult to develop efficiently due to their strong heterogeneity, challenging connected unit identification, and unknown inter-well connectivity. In this paper, facies-controlled inversion and maximum likelihood attribute were used to characterize the fractured-vuggy aggregate and spatial distribution of large-scale fractures, so as to identify connected units and clarify the inter-well connection mode and the remaining oil potential. Based on dynamic data of wells, the connectivity was analyzed to verify the rationality of the connectivity characterization result obtained from static data. The technique was applied in the gas injection development of the Lungu 7-5 well group in the Lungu 7 wellblock, providing a basis for gas injection development strategy making to further improve the reservoir recovery performance.

Key words: carbonate, fractured-vuggy reservoirs, connectivity, facies-controlled inversion, maximum likelihood attribute, fracture, con-nected unit, gas injection development

中图分类号:

TE344

吴梅莲, 柴雄, 周碧辉, 李洪, 晏楠, 彭鹏. 缝洞型碳酸盐岩储集层连通性刻画及应用[J]. 新疆石油地质, 2022, 43(2): 188-193.

WU Meilian, CHAI Xiong, ZHOU Bihui, LI Hong, YAN Nan, PENG Peng. Connectivity Characterization of Fractured-Vuggy Carbonate Reservoirs and Application[J]. Xinjiang Petroleum Geology, 2022, 43(2): 188-193.

图/表 4

参考文献 28

[1]	张庆玉, 梁彬, 秦凤蕊, 等. 塔里木盆地奥陶系古潜山碳酸盐岩岩溶储层评价与预测:以轮古7井区以东为例[J]. 中国岩溶, 2017, 36(1):32-41.
	ZHANG Qingyu, LIANG Bin, QIN Fengrui, et al. Evaluation and prediction of carbonate karst reservoirs in the Ordovician buried hills beneath the Tarim basin:an example east of the Lungu7 well block[J]. Carsologica Sinica, 2017, 36(1):32-41.
[2]	张庆玉, 秦凤蕊, 梁彬, 等. 塔北隆起轮古7井区奥陶系岩溶地貌及岩溶储层特征研究[J]. 中国岩溶, 2014, 33(3):373-378.
	ZHANG Qingyu, QIN Fengrui, LIANG Bin, et al. Karst landforms and reservoir characteristics in the Ordovician strata of Lungu 7,Tabei uplift[J]. Carsologica Sinica, 2014, 33(3):373-378.
[3]	韩革华, 漆立新, 李宗杰, 等. 塔河油田奥陶系碳酸盐岩缝洞型储层预测技术[J]. 石油与天然气地质, 2006, 27(6):860-870.
	HAN Gehua, QI Lixin, LI Zongjie, et al. Prediction of the Ordovician fractured-vuggy carbonate reservoirs in Tahe oilfield[J]. Oil & Gas Geology, 2006, 27(6):860-870.
[4]	常少英, 庄锡进, 邓兴梁, 等. 断溶体油藏高效井预测方法与应用效果:以HLHT油田奥陶系潜山区为例[J]. 石油地球物理勘探, 2017, 52(增1):199-206.
	CHANG Shaoying, ZHUANG Xijin, DENG Xingliang, et al. Fault-karst carbonate reservoir prediction:a case study in Ordovician buried hills,HLHT oilfield[J]. Oil Geophysical Prospecting, 2017, 52(Supp.1):199-206.
[5]	马乃拜, 金圣林, 杨瑞召, 等. 塔里木盆地顺北地区断溶体地震反射特征与识别[J]. 石油地球物理勘探, 2019, 54(2):398-403.
	MA Naibai, JIN Shenglin, YANG Ruizhao, et al. Seismic response characteristics and identification of fault-karst reservoir in Shunbei area,Tarim basin[J]. Oil Geophysical Prospecting, 2019, 54(2):398-403.
[6]	吕海涛, 韩俊, 张继标, 等. 塔里木盆地顺北地区超深碳酸盐岩断溶体发育特征与形成机制[J]. 石油实验地质, 2021, 43(1):14-22.
	LÜ Haitao, HAN Jun, ZHANG Jibiao, et al. Development characteristics and formation mechanism of ultra-deep carbonate fault-dissolution body in Shunbei area,Tarim basin[J]. Petroleum Geology & Experiment, 2021, 43(1):14-22.
[7]	刘军, 陈强路, 王鹏, 等. 塔里木盆地顺南地区中下奥陶统碳酸盐岩储层特征与主控因素[J]. 石油实验地质, 2021, 43(1):23-33.
	LIU Jun, CHEN Qianglu, WANG Peng, et al. Characteristics and main controlling factors of carbonate reservoirs of Middle-Lower Ordovician,Shunnan area,Tarim basin[J]. Petroleum Geology & Experiment, 2021, 43(1):23-33.
[8]	漆立新, 云露. 塔里木台盆区碳酸盐岩成藏模式与勘探实践[J]. 石油实验地质, 2020, 42(5):867-876.
	QI Lixin, YUN Lu. Carbonate reservoir forming model and exploration in Tarim basin[J]. Petroleum Geology & Experiment, 2020, 42(5):867-876.
[9]	李小波, 李新华, 荣元帅, 等. 地震属性在塔河油田碳酸盐岩缝洞型油藏连通性分析及其注水开发中的应用[J]. 油气地质与采收率, 2014, 21(6):65-71.
	LI Xiaobo, LI Xinhua, RONG Yuanshuai, et al. The seismic attribute characterization of fracture-vug carbonate reservoir connectivity and its application in waterflood development[J]. Petroleum Geology and Recovery Efficiency, 2014, 21(6):65-71.
[10]	罗宪婴, 曹鹏, 常少英, 等. 塔里木盆地轮古西地区岩溶缝洞型储层井间连通性分析:以LG15-A井组为例[J]. 科学技术与工程, 2012, 12(27):7 036-7 038.
	LUO Xianying, CAO Peng, CHANG Shaoying, et al. Analysis of interwell connectivity of karst fracture-cavity carbonate rocks reservoir in west Lungu region,Tarim basin:an example of LG15-A well group[J]. Science Technology and Engineering, 2012, 12(27):7 036-7 038.
[11]	廖明光, 廖成基, 陈小凡. 动静态方法在油藏井间连通性分析中的应用研究[J]. 特种油气藏, 2020, 27(3):131-136.
	LIAO Mingguang, LIAO Chengji, CHEN Xiaofan. Application of dynamic and static analyses in inter-well connectivity characterization[J]. Special Oil & Gas Reservoirs, 2020, 27(3):131-136.
[12]	张新宝, 李留仁. 碳酸盐岩缝洞型油藏井间连通性的示踪剂监测:以塔河油田T402注采井组为例[J]. 西安石油大学学报(自然科学版), 2019, 34(6):55-59.
	ZHANG Xinbao, LI Liuren. Tracer monitoring of inter-well connectivity in fracture-vuggy carbonate reservoir:a case study of T402 injection-production well group in Tahe oilfield[J]. Journal of Xi’an Shiyou University(Natural Science Edition), 2019, 34(6):55-59.
[13]	邓光校, 胡文革, 王震. 碳酸盐岩缝洞储集体分尺度量化表征[J]. 新疆石油地质, 2021, 42(2):232-237.
	DENG Guangxiao, HU Wenge, WANG Zhen. Quantitative characterization of fractured-vuggy carbonate reservoirs[J]. Xinjiang Petroleum Geology, 2021, 42(2):232-237.
[14]	张远银, 孙赞东, 杨海军, 等. 基于纯纵波地震资料的碳酸盐岩储集层识别[J]. 新疆石油地质, 2020, 41(5):605-611.
	ZHANG Yuanyin, SUN Zandong, YANG Haijun, et al. Carbonate reservoir identification based on pure P-wave data[J]. Xinjiang Petroleum Geology, 2020, 41(5):605-611.
[15]	王清振, 张金淼, 姜秀娣, 等. 利用梯度结构张量检测盐丘与断层[J]. 石油地球物理勘探, 2018, 53(4):826-831.
	WANG Qingzhen, ZHANG Jinmiao, JIANG Xiudi, et al. Salt dome and fault detection based on the gradient-structure tensor[J]. Oil Geophysical Prospecting, 2018, 53(4):826-831.
[16]	王鹏, 刘军, 顾汉明. 不连续性属性增强技术在顺北地区断控不同尺度裂缝检测中的应用[J]. 工程地球物理学报, 2019, 16(2):131-137.
	WANG Peng, LIU Jun, GU Hanming. The application of enhancement for seismic discontinuity attributes to detection of fracture with different scales in Shunbei area[J]. Chinese Journal of Engineering Geophysics, 2019, 16(2):131-137.
[17]	文山师, 李海英, 洪才均, 等. 顺北油田断溶体储层地震响应特征及描述技术[J]. 断块油气田, 2020, 27(1):45-49.
	WEN Shanshi, LI Haiying, HONG Caijun, et al. Technology of seismic response characteristics and description of fault-karst reservoir in Shunbei oilfield[J]. Fault-Block Oil & Gas Field, 2020, 27(1):45-49.
[18]	马德波, 赵一民, 张银涛, 等. 最大似然属性在断裂识别中的应用:以塔里木盆地哈拉哈塘地区热瓦普区块奥陶系走滑断裂的识别为例[J]. 天然气地球科学, 2018, 29(6):817-825.
	MA Debo, ZHAO Yimin, ZHANG Yintao, et al. Application of maximum likelihood attribute to fault identification:a case study of Rewapu block in Halahatang area,Tarim basin,NW China[J]. Natural Gas Geoscience, 2018, 29(6):817-825.
[19]	HALE D. Methods to compute fault images,extract fault surfaces,and estimate fault throws from 3D seismic images[J]. Geophysics, 2013, 78(2):33-43.
[20]	余攀, 彭兴和, 曾维望. 基于断裂似然体属性精细识别小断裂构造[J]. 煤炭与化工, 2018, 41(12):59-63.
	YU Pan, PENG Xinghe, ZENG Weiwang. Fine identification of small fault structures based on fault likelihood[J]. Coal and Chemical Industry, 2018, 41(12):59-63.
[21]	吕心瑞, 孙建芳, 邬兴威, 等. 缝洞型碳酸盐岩油藏储层结构表征方法:以塔里木盆地塔河S67单元奥陶系油藏为例[J]. 石油与天然气地质, 2021, 42(3):728-737.
	LYU Xinrui, SUN Jianfang, WU Xingwei, et al. Internal architecture characterization of fractured-vuggy carbonate reservoirs:a case study on the Ordovician reservoirs,Tahe Unit S67,Tarim basin[J]. Oil & Gas Geology, 2021, 42(3):728-737.
[22]	林煜, 李相文, 陈康, 等. 深层海相碳酸盐岩储层地震预测关键技术与效果:以四川盆地震旦系–寒武系与塔里木盆地奥陶系油气藏为例[J]. 石油与天然气地质, 2021, 42(3):717-727.
	LIN Yu, LI Xiangwen, CHEN Kang, et al. Key seismic techniques for predicting deep marine carbonate reservoirs and the effect analysis:a case study on the Sinian-Cambrian reservoirs in the Sichuan basin and the Ordovician reservoirs in the Tarim basin[J]. Oil & Gas Geology, 2021, 42(3):717-727.
[23]	江同文, 昌伦杰, 邓兴梁, 等. 断控碳酸盐岩油气藏开发地质认识与评价技术:以塔里木盆地为例[J]. 天然气工业, 2021, 41(3):1-9.
	JIANG Tongwen, CHANG Lunjie, DENG Xingliang, et al. Geological understanding and evaluation technology of fault controlled carbonate reservoir development:a case study of the Tarim basin[J]. Natural Gas Industry, 2021, 41(3):1-9.
[24]	李吉康, 孙致学, 谭涛, 等. 深层缝洞型油藏烃气混相驱可行性及影响因素[J]. 新疆石油地质, 2021, 42(6):714-719.
	LI Jikang, SUN Zhixue, TAN Tao, et al. Feasibility and influencing factors of miscible hydrocarbon gas flooding for deep fractured-vuggy reservoirs[J]. Xinjiang Petroleum Geology, 2021, 42(6):714-719.
[25]	罗瑜, 王寅, 王容, 等. 碳酸盐岩孔隙-裂缝双重网络模型构建及分析[J]. 新疆石油地质, 2021, 42(1):107-112.
	LUO Yu, WANG Yin, WANG Rong, et al. Construction and analysis of pore-fracture network model of carbonate rock[J]. Xinjiang Petroloeum Geology, 2021, 42(1):107-112.
[26]	康志宏, 陈琳, 鲁新便, 等. 塔河岩溶型碳酸盐岩缝洞系统流体动态连通性研究[J]. 地学前缘(中国地质大学(北京);北京大学), 2012, 19(2):110-120.
	KANG Zhihong, CHEN Lin, LU Xinbian, et al. Fluid dynamic connectivity of karst carbonate reservoir with fracture ＆ cave system in Tahe oilfield[J]. Earth Science Frontiers(Ching University of Geosciences(Beijing);Peking University), 2012, 19(2):110-120.
[27]	雷昇, 周玉辉, 王宁, 等. 基于井间连通性的碳酸盐岩油藏注采关系优化[J]. 新疆石油地质, 2021, 42(5):584-591.
	LEI Sheng, ZHOU Yuhui, WANG Ning, et al. Injection-production optimization of carbonate oil reservoirs based on a well connectivity model[J]. Xinjiang Petroleum Geology, 2021, 42(5):584-591.
[28]	李宁, 杨林, 郑小敏, 等. 基于示踪剂监测和数值模拟的低渗透油藏注采连通性评价[J]. 新疆石油地质, 2021, 42(6):735-740.
	LI Ning, YANG Lin, ZHENG Xiaomin, et al. Evaluation on injection-production connectivity of low-permeability reservoirs based on tracer monitoring and numerical simulation[J]. Xinjiang Petroleum Geology, 2021, 42(6):735-740.