火山岩对砂岩储层物性影响的定量表征及应用

doi:10.3969/j.issn.1006-6535.2023.05.012

摘要/Abstract

摘要： 针对火山岩对砂岩储层物性影响范围定量表征难的问题,利用渤海X油田动、静态资料,总结了3种典型火山岩与砂岩储层的接触关系。运用试井理论方法,建立了多层合采复合油藏模型,以“均质+复合储层”模型为例,分析了均质层边界半径、复合层内外区流度比、复合层内外区储容比、复合层内区半径对压力动态曲线的影响,并应用该模型对渤海X油田A1井进行试井解释。研究结果表明:压力动态曲线根据压力导数曲线形态可以分为5个阶段,分别为井筒储存阶段、早期过渡流阶段、复合层内区向外区过渡流阶段、复合层外区与均质层混合流动阶段、多层边界响应阶段;A1井试井拟合精度较高,进一步验证了模型的可靠性;距离火山岩大约300.0 m范围内砂岩储层物性变差,结合静态资料刻画的火山岩范围,指导了渤海X油田2口调整井井网部署,投产后比采油指数为A1井的4.0~6.0倍,效果显著。研究成果对火山岩发育区砂岩油田的试井解释、井网部署及高效开发具有一定的借鉴意义。

关键词: 火山岩, 多层合采, 复合油藏, 接触关系, 试井解释, 渤海油田

Abstract: To address the problem that it is difficult to quantitatively characterize the influence range of volcanic rocks on the physical properties of sandstone reservoirs, the three typical contact relationships between volcanic rocks and sandstone reservoirs were summarized using dynamic and static data from the Bohai X Oilfield. A multi-layered commingled production composite reservoir model was established using the theoretical method of well testing, the "homogeneous + composite reservoir" model was used as an example to analyze the influence of the boundary radius of homogeneous layer, the mobility ratio of inner and outer zone of composite layer, the storage capacity ratio of inner and outer zone of composite layer, and the radius of inner zone of composite layer on the pressure dynamic curve, and the model was applied to the well testing interpretation of Well A1 in Bohai X Oilfield. The study results show that the pressure dynamic curve can be divided into five stages according to the pressure derivative curve morphology, which are wellbore storage stage, early transition flow stage, transition flow stage from the inner zone to the outer zone of the composite layer, mixed flow stage between the outer zone of the composite layer and the homogeneous layer, and multi-layer boundary response stage. The high fitting accuracy of Well A1 test well further verified the reliability of the model. The physical properties of the sandstone reservoir deteriorated within about 300.0 m from the volcanic rocks. Combined with the range of volcanic rocks portrayed by the static data, the network deployment of the 2 adjustment wells in the Bohai X Oilfield was guided, and the specific productivity index after production was 4.0 to 6.0 times of that of Well A1, with remarkable effect. The research results have some implications for well testing interpretation, well network deployment and efficient development of sandstone oilfields in volcanic rock development area.

Key words: volcanic rocks, multi-layer commingled production, composite reservoir, contact relationship, well testing interpretation, Bohai Oilfield

中图分类号:

TE343

马奎前, 李超, 原建伟, 杨明, 张博. 火山岩对砂岩储层物性影响的定量表征及应用[J]. 特种油气藏, 2023, 30(5): 91-97.

Ma Kuiqian, Li Chao, Yuan Jianwei, Yang Ming, Zhang Bo. Quantitative Characterization of the Influence of Volcanic Rocks on the Physical Properties of Sandstone Reservoirs and Its Application[J]. Special Oil & Gas Reservoirs, 2023, 30(5): 91-97.

参考文献

[1] 黄芸,梁舒艺,杨迪生,等.原生韵律型火山岩储层特征及主控因素[J].特种油气藏,2021,28(6):54-61.
HUANG Yun,LIANG Shuyi,YANG Disheng,et al.Characteristics and main controlling factors of primary rhyolite volcanic reservoir[J].Special Oil & Gas Reservoirs,2021,28(6):54-61.
[2] 李军,张军华,韩双,等.火成岩储层勘探现状、基本特征及预测技术综述[J].石油地球物理勘探,2015,50(2):382-392.
LI Jun,ZHANG Junhua,HAN Shuang,et al.A review:exploration status,basic characteristics and prediction approaches of igneous rock reservoir[J].Oil Geophysical Prospecting,2015,50(2):382-392.
[3] 潘虹,李晓山,钱川川,等.准噶尔盆地克百断裂带石炭系内幕型火山岩储层特征及成藏规律[J].东北石油大学学报,2022,46(1):62-75.
PAN Hong,LI Xiaoshan,QIAN Chuanchuan,et al.Characteristic and accumulation patterns of Carboniferous inside-type volcanic reservoir in Kebai Fault Zone of Junggar Basin[J].Journal of Northeast Petroleum University,2022,46(1):62-75.
[4] 江昱良,秦启荣,高瑞琪,等.蜀南地区二叠系火成岩特征及储集性研究[J].特种油气藏,2021,28(2):11-19.
JIANG Yuliang,QIN Qirong,GAO Ruiqi,et al.Study on the characteristics and reservoir quality of Permian igneous rocks in southern Sichuan Basin[J].Special Oil & Gas Reservoirs,2021,28(2):11-19.
[5] 杨海风,徐长贵,牛成民,等.渤海湾盆地黄河口凹陷BZ34-9油田新生界“断裂-岩浆”联合控藏作用[J].石油与天然气地质,2018,39(5):1056-1064.
YANG Haifeng,XU Changgui,NIU Chengmin,et al.Joint control of the Cenozoic faults and magma on hydrocarbon accumulation in BZ34-9 Oilfield in Huanghekou Sag,Bohai Bay Basin[J].Oil & Gas Geology,2018,39(5):1056-1064.
[6] 李果营,杨波,韩自军,等.渤海南部火山岩发育区断裂-岩浆联合控藏机理与勘探实践[J].中国石油勘探,2018,23(5):37-46.
LI Guoying,YANG Bo,HAN Zijun,et al.Reservoir controlling mechanism by combined faulting-magmatic activities and exploration practice in the volcanic rock zone,south Bohai Sea[J].China Petroleum Exploration,2018,23(5):37-46.
[7] 王昕,柴永波,姚佳,等.渤中34构造古近系受玄武岩控制砂岩储层成岩相展布特征及发育模式[J].中国海上油气,2017,29(2):9-17.
WANG Xin,CHAI Yongbo,YAO Jia,et al.Distribution and development mode of diagenetic facies of the Palaeogene sandstone reservoir controlled by basalt in BZ34 Structure[J].China Offshore Oil and Gas,2017,29(2):9-17.
[8] 周东红.渤海海域新生界火山岩发育区地震资料处理关键技术[J].中国海上油气,2019,31(6):13-24.
ZHOU Donghong.Key technologies for seismic data processing of the Cenozoic volcanic rock development areas in the Bohai Sea[J].China Offshore Oil and Gas,2019,31(6):13-24.
[9] 田伟,王双月,王磊,等.大陆溢流玄武岩省火山通道研究进展[J].矿物岩石地球化学通报,2017,36(3):432-442.
TIAN Wei,WANG Shuangyue,WANG Lei,et al.Advances in study of volcanic conduits of flood basalt provinces[J].Bulletin of Mineralogy,Petrology and Geochemistry,2017,36(3):432-442.
[10] 王民,卢双舫,刘大为,等.岩浆侵入体热传导模型优选及应用[J].吉林大学学报(地球科学版),2011,41(1):71-78.
WANG Min,LU Shuangfang,LIU Dawei,et al.Optimal selection of the thermal conduction model for magmatic intrusion and its application[J].Journal of Jilin University (Earth Science Edition),2011,41(1):71-78.
[11] SHU Yong,SANG Shuxun,LIN Yuxiang,et al.The influence of magmatic-hydrothermal activities on porosity and permeability of sandstone reservoirs in the Linxing Area,Ordos Basin,northern China[J].Journal of Asian Earth Sciences,2021,26(3):104741.
[12] 樊冬艳,曾慧,姚军,等.考虑启动压力梯度的致密油藏不稳定试井解析方法[J].东北石油大学学报,2021,45(2):102-112.
FAN Dongyan,ZENG Hui,YAO Jun,et al.Analytical method for pressure transient analysis with threshold pressure gradient in tight oil reservoirs[J].Journal of Northeast Petroleum University,2021,45(2):102-112.
[13] 郑强,王言,王宁,等.碳酸盐岩油藏线性复合试井分析模型及其应用[J].西安石油大学学报(自然科学版),2022,37(1):73-79.
ZHENG Qiang,WANG Yan,WANG Ning,et al.Linear compositewell test analysis model of carbonate reservoir and its application[J].Journal of Xi'an Shiyou University (Natural Science Edition),2022,37(1):73-79.
[14] 杨勇,谢日彬,闫正和,等.双重介质复合数值试井技术在裂缝性礁灰岩底水油藏中的应用[J].特种油气藏,2020,27(5):100-105.
YANG Yong,XIE Ribin,YAN Zhenghe,et al.Application of dual-media compound numerical well test technology in fractured reef limestone reservoirs with bottom water[J].Special Oil & Gas Reservoirs,2020,27(5):100-105.
[15] 曾杨,康晓东,唐恩高,等.水驱后聚驱双层复合油藏试井解释[J].大庆石油地质与开发,2018,37(6):60-66.
ZENG Yang,KANG Xiaodong,TANG Engao,et al.Well test interpretation of the polymer-flooded double-layer composite oil reservoir after water displaced[J].Petroleum Geology & Oilfield Development in Daqing,2018,37(6):60-66.
[16] 谢飞.非均质复合油气藏水平井渗流与试井分析研究[D].成都:西南石油大学,2017.
XIE Fei.Study on seepage and test well analysis of horizontal wells in heterogeneous complex reservoirs[D].Chengdu:Southwest Petroleum University,2017.
[17] 姜瑞忠,原建伟,徐建春,等.考虑应力敏感效应的复合油藏多级压裂水平井压力动态分析[J].东北石油大学学报,2019,43(1):109-116.
JIANG Ruizhong,YUAN Jianwei,XU Jianchun,et al.Transient pressure analysis of multi-stage fracture horizontal well in composite reservoir with consideration of stress-sensitivity[J].Journal of Northeast Petroleum University,2019,43(1):109-116.
[18] 王月杰,陈晓明.多层合采试井模型适用性研究及矿场实例分析[J].中国海上油气,2017,29(2):78-86.
WANG Yuejie,CHEN Xiaoming.Applicability study and case analysis of multi-layer commingled production well test model[J].China Offshore Oil and Gas,2017,29(2):78-86.
[19] 唐庚, 龚浩, 徐家年, 等.四川盆地二叠系永探1井火山岩气井完井测试井壁稳定性实验[J].天然气工业, 2022, 42(3):91-98.
TANG Geng, GONG Hao, XU Jianian, et al.Experimental study on wellbore stability during volcanic gas well test:a case study on Well Yongtan1 in the Permian of the Sichuan Basin[J].Natural Gas Industry, 2022, 42(3):91-98.
[20] 张丽华,王敏,单刚义,等. 不同岩性火山岩孔隙度压力敏感性及其影响因素:以长岭断陷火山岩为例[J]. 吉林大学学报(地球科学版), 2022, 52(2):382-389.
ZHANG Lihua,WANG Min,SHAN Gangyi,et al.Analysis on porosity stress sensitivity of volcanic rocks with different lithology and its influencing factors:taking volcanic rocks in Chang Ling Fault Depression as an example[J].Journal of Jilin University (Earth Science Edition),2022,52(2):382-389.
[21] 徐春强,张新涛,王晨杰,等.渤中凹陷中生界火山岩特征及优质储层控制因素[J].吉林大学学报(地球科学版), 2022, 52(4):1027-1036.
XU Chunqiang, ZHANG Xintao, WANG Chenjie, et al. Characteristics of Mesozoic volcanic rocks and controlling factors of high quality reservoirs in Bozhong Depression[J]. Journal of Jilin University (Earth Science Edition), 2022, 52(4):1027-1036.
[22] 谭杰, 周克明, 曾理, 等.火山岩晶质及非晶质矿物组分定量分析方法——以四川盆地西部二叠系火山岩为例[J].天然气工业, 2022, 42(5):24-33.
TAN Jie, ZHOU Keming, ZENG Li, et al.Quantitative analysis method for crystalline and amorphous components in volcanic rocks: a case study on Permian volcanic rocks in the western Sichuan Basin[J].Natural Gas Industry, 2022, 42(5):24-33.
[23] 毕晓明.火山岩气藏驱动类型特征新认识[J].非常规油气,2021,8(3):10-16.
BI Xiaoming.New understanding about characteristics of volcanic rock gas reservoir drive type[J].Unconventional Oil & Gas,2021,8(3):10-16.
[24] 邱一新.致密火山岩凝析气藏生产动态特征与影响因素研究——以龙凤山气藏B213井区为例[J].非常规油气,2021,8(6):68-76.
QIU Yixin.Research on production dynamic characteristics and interfering factors of tight volcanic condensate gas reservoir:taking B213 Well Area of Longfengshan Gas Reservoir as an example[J].Unconventional Oil & Gas,2021,8(6):68-76.
[25] 任宪军.松辽盆地长岭断陷盆缘陡坡带中性火山岩相模式及其对储层的控制作用[J]. 吉林大学学报(地球科学版),2022, 52(3):816-828.
REN Xianjun. Faces model of intermediate volcanic rocks in steep slope and its control on resevoirs:a case study in Changling Fault Depression, Songliao Basin[J]. Journal of Jilin University (Earth Science Edition), 2022, 52(3):816-828.