油页岩原位裂解开采温度场数值模拟与设计方案优化
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摘要
根据吉林松原油页岩原位开采试验的布井方式、油页岩及流体物性参数等情况,构建了油页岩原位开采的单压裂隙-单注气井基本模型(模型Ⅰ),采用Fluent软件进行了油页岩热流体加热过程温度场模拟。为了研究不同原位开发方案的效率,在模型Ⅰ的基础上,通过增加压裂隙数、注气井数,建立了双压裂隙-单注气井模型(模型Ⅱ)、双压裂隙-双等深注气井模型(模型Ⅲ)和双压裂隙-双不等深注气井(模型Ⅳ),分别开展了注气速率为5、10 m/s及注气加热1 500 d情况的模拟。模拟结果表明,当油页岩层压裂程度越高、模型注气速率越高、注气井数量足够和注气井贯穿压裂隙加热油页岩层时,油页岩的开发利用越彻底,设计方案最优。
According to the well placement method,oil shale and fluid property parameters of the in-situ mining test of oil shale in Songyuan Jilin,the basic model of single-fracture-single gas injection well( model Ⅰ) for oil shale in situ mining was constructed,and the temperature field simulation of oil shale hot fluid heating process was carried out using Fluent software. In order to study the efficiency of different in-situ development schemes,on the basis of model Ⅰ,by adding the number of fracturing gaps and the number of gas injection wells,a double-fracturesingle gas injection well model( model Ⅱ) and a double-fracture-double equal-depth gas injection well model( model Ⅲ) and double-fracture-double unequal-depth gas injection wells model( model Ⅳ) were established.Simulations of the gas injection velocity of 5 m/s and 10 m/s and the gas injection heating for 1 500 d were carried out. The simulation results show that optimal scheme should be designed by increasing the degree of oil shale fracture,the velocity of model gas injection and the number of gas injection wells,and passing the gas injection well through the fracture gap to heat the oil shale layer,which can thoroughly develop and utilize oil shale.
According to the well placement method,oil shale and fluid property parameters of the in-situ mining test of oil shale in Songyuan Jilin,the basic model of single-fracture-single gas injection well( model Ⅰ) for oil shale in situ mining was constructed,and the temperature field simulation of oil shale hot fluid heating process was carried out using Fluent software. In order to study the efficiency of different in-situ development schemes,on the basis of model Ⅰ,by adding the number of fracturing gaps and the number of gas injection wells,a double-fracturesingle gas injection well model( model Ⅱ) and a double-fracture-double equal-depth gas injection well model( model Ⅲ) and double-fracture-double unequal-depth gas injection wells model( model Ⅳ) were established.Simulations of the gas injection velocity of 5 m/s and 10 m/s and the gas injection heating for 1 500 d were carried out. The simulation results show that optimal scheme should be designed by increasing the degree of oil shale fracture,the velocity of model gas injection and the number of gas injection wells,and passing the gas injection well through the fracture gap to heat the oil shale layer,which can thoroughly develop and utilize oil shale.
引文
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15 王磊,杨栋,康志勤,等.注蒸汽原位开采油页岩热解温度确定及可行性分析[J].科学技术与工程,2015,15(29):109-113Wang Lei,Yang Dong,Kang Zhiqin,et al. Txperimental study on feasibility and proper temperature in situ mining based overheat steam heating oil shale[J]. Science Technology and Engineering,2015,15(29):109-113
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17 太原理工大学.对流加热油页岩开采油气的方法:200510012473. 4[P]. 2005-04-20Taiyuan University of Technology. Convection heating oil shale for oil and gas extraction:200510012473. 4[P]. 2005-04-20
18 赵金岷.一种用于油页岩原位竖井压裂化学干馏提取页岩油气装置:中国,201310152533. 7[P]. 20130807Zhao Jinmin. A shale oil and gas plant for oil shale in-situ shaft fracturing chemical dry distillation extraction:China,201310152533. 7[P]. 20130807
19 李强.油页岩原位热裂解温度场数值模拟及实验研究[D].长春:吉林大学,2012Li Qiang. Simulation of temperature field and experiment of in-situ oil shale pyrolysis[D]. Changchun:Jilin University,2012
20 薛晋霞,刘中华.油页岩电加热法原位干馏温度场分布的数值仿真[J].地下空间与工程学报,2015,11(3):669-672Xue Jinxia,Liu Zhonghua. Numerical simulation of the temperature field distribution of oil shale under in-situ process by the electricity heating method[J]. Chinese Journal of Underground Space and Engineering,2015,11(3):669-672
21 孙常龙,王岳,邵慧龙,等.原位电法开发油页岩的温度场数值分析[J].辽宁石油化工大学学报,2015,35(4):40-43Sun Changlong,Wang Yue,Shao Huilong,et al. Numerical simulation of the development of oil shale in situ electrical temperature field[J]. Journal of Liaoning Shihua University,2015,35(4):40-43
22 康志勤.油页岩热解特性及原位注热开采油气的模拟研究[D].太原:太原理工大学,2008Kang Zhiqin. The pyrolysis characteristics and in-situ hot drive simulation research that exploit oil-gas of oil shale[D]. Taiyuan:Taiyuan University of Technology,2008
23 Fan Y,Durlofsky LJ,Tchelepi HA,et al. Numerical simulation of the in-situ upgrading of oil shale[J],SPE Journal,2009,15(2):368-381
24 康志勤,杨栋,赵阳升,等.利用原位电法加热技术开发油页岩的物理原理及数值分析[J].石油学报,2008,29(4):592-595Kang Zhiqin,Yang Dong,Zhao Yangsheng,et al. Physical principle and numerical analysis of oil shale development using in-situ conversion process technology[J]. Acta Petrolei Sinica,2008,29(4):592-595
25 姜鹏飞,孙友宏,郭威,等.压裂-注氮原位裂解油页岩加热工艺及传热模拟[J].东北大学学报(自然科学版),2015,36(9):1353-1357,1368Jiang Pengfei,Sun Youhong,Guo Wei,et al. Heating technology and heat transfer simulation for oil shale of in-situ pyrolysis by fracturing and nitrogen injection[J]. Journal of Northeastern University(Natural Science),2015,36(9):1353-1357,1368
26 雷光伦,李姿,姚传进,等.油页岩注蒸汽原位开采数值模拟[J].中国石油大学学报(自然科学版),2017,41(2):100-107Lei Guanglun,Li Zi,Yao Chuanjin,et al. Numerical simulation on in-situ upgrading of oil shale via steam injection[J]. Journal of China University of Petroleum(Edition of Natural Science),2017,41(2):100-107
27 薛晋霞.油页岩物理力学特性实验及其原位开采非稳态热传导数学模型研究[D].太原:太原理工大学,2007Xue Jinxia. The experiment research on physical&mechanical characteristics of oil shale and its unsteady heat conduction mathematical model of in-situ processing[D]. Taiyuan:Taiyuan University of Technology,2007
28 王健.油页岩原位开采温度场的数值模拟[D].长春:吉林大学,2011Wang Jian. Numerical simulation of temperature field for the in-situ upgrading of oil shale[D]. Changchun:Jilin University,2011
29 裴宝琳.油页岩低温热解的实验研究[D].太原:太原理工大学,2013Pei Baolin. The experimental reseach of oil shale decomposition at low temperature[D]. Taiyuan:Taiyuan University of Technology,2013
30 常思阳.松辽盆地油页岩加热过程储集物性特征研究[D].长春:吉林大学,2017Chang Shiyang. Research on reservoir characteristics of oil shale during heating in songliao basin[D]. Changchun:Jilin University,2017
31 宋青磊,刘招君,胡菲,等.松辽盆地扶余—长春岭地区上白垩统青山口组油页岩品质特征及意义[J].世界地质,2016,35(2):487-494Song Qinglei,Liu Zhaojun,Hu Fei,et al. Oil shale characteristics of upper cretaceous qiangshankou formation in fuyu-changchunling area of Songliao Basin and its significance[J]. Global Geology,2016,35(2):487-494
32 温志良,姜福平,钟长林,等.松辽盆地东南隆起超大型油页岩矿床特征及成因[J].吉林大学学报(地球科学版),2016,46(3):681-691Wen Zhiliang,Jiang Fuping,Zhong Changlin,et al. Features and origin of super-large oil shale deposit in southeast uplift of the songliao basin[J]. Journal of Jilin Unviersity(Earth Science Edition),2016,46(3):681-69
2 王擎,徐健,叶江滨,等.广东茂名油页岩三种热解动力学模型的分析对比[J].科学技术与工程,2017,17(32):112-118Wang Qing,Xu Jian,Ye Jiangbin,et al. Analysis and comparison of three pyrolysis kinetic models of maoming oil shale in Guangdong Province[J]. Science Technology and Engineering,2017,17(32):112-118
3 孙可明,赵阳升,杨栋,等.非均质热弹塑性损伤模型及其在油页岩地下开发热破裂分析中的应[J].岩石力学与工程学报,2008,27(1):42-52Sun Keming,Zhao Yangsheng,Yang Dong,et al. Thermoelastoplastic damage model of heterogeneous medium and its application to thermal cracking analysis of oil shale in underground mining[J]. Chinese Journal of Rock Mechanics and Engineering,2008,27(1):42-52
4 秦宏,许方平,刘洪鹏,等.油页岩热解过程中的热破碎特性[J].科学技术与工程,2014,14(13):26-30Qin Hong,Xu Fangping,Liu Hongpeng,et al. Thermal fragmentation characteristic during pyrolysis of oil shale[J]. Science Technology and Engineering,2014,14(13):26-30
5 Dyni J R. Geology and resources of some world oil-shale deposits[J].Oil Shale,2003,20(3):193-252
6 Brendow K. Global oil shale is sues and perspectives[J]. Oil Shale,2003,20(1):81-92
7 Dyni J R. Geology and resources of some world oil shale deposits[J].Oil Shale,2003,20(3):193-252
8 刘招君,董清水,叶松青,等.中国油页岩资源现状[J].吉林大学学报(地球科学版),2006,36(6):869-876Liu Zhaojun,Dong Qingshui,Ye Songqing,et al. The situation of oil shale resources in China[J]. Journal of Jilin Unviersity(Earth Science Edition),2006,36(6):869-876
9 车长波,杨虎林,刘招君,等.我国油页岩资源勘探开发前景[J].中国矿业,2008,17(9):1-4Che Changbo,Yang Hulin,Liu Zhaojun,et al. Exploration and exploitation prospects of oil shale resources in China[J]. China Mining Magazine,2008,17(9):1-4
10 Knutson C F,Dana G F,Solti G,et al. Developments in oil shale in1987[J]. New Zealand Journal of Agricultural Research,1988,73(10B):145-150
11 李隽,汤达祯,薛华庆,等.中国油页岩原位开采可行性初探[J].西南石油大学学报(自然科学版),2014(1):58-64Li Jun,Tang Dazhen,Xue Huaqing,et al. Discission of oil shale in-situ conversion process in China[J]. Journal of Southwest Petroleum University(Science&Technology Edition),2014(1):58-64
12 林森虎,邹才能,袁选俊,等.美国致密油开发现状及启示[J].岩性油气藏,2011,23(4):25-32Lin Senhu,Zou Caineng,Yuan Xuanjun,et al. Status quo of tight oil exploitation in the United States and its implication[J]. Lithologic Reservoirs,2011,23(4):25-32
13 王民,石蕾,王文广,等.中美页岩油、致密油发育的地球化学特征对比[J].岩性油气藏,2014,26(3):67-73Wang Min,Shi Lei,Wang Wenguang,et al. Comparative study on geochemical characteristics of shale oil between China and US[J].Lithologic Reservoirs,2014,26(3):67-73
14 刘剑,梁卫国.页岩油气及煤层气开采技术与环境现状及存在问题[J].科学技术与工程,2017,17(30):121-134Liu Jian,Liang Weiguo. Problems and environmental impacts induced by mining technology of shale oil and gas and coalbed methane[J]. Science Technology and Engineering,2017,17(30):121-134
15 王磊,杨栋,康志勤,等.注蒸汽原位开采油页岩热解温度确定及可行性分析[J].科学技术与工程,2015,15(29):109-113Wang Lei,Yang Dong,Kang Zhiqin,et al. Txperimental study on feasibility and proper temperature in situ mining based overheat steam heating oil shale[J]. Science Technology and Engineering,2015,15(29):109-113
16 刘德勋,王红岩,郑德温,等.世界油页岩原位开采技术进展[J].天然气工业,2009,29(5):128-132Liu Dexun,Wang Hongyan,Zheng Dewen,et al. World progress of oil shale in-situ exploitation methods[J]. Natural Gas Industry,2009,29(5):128-132
17 太原理工大学.对流加热油页岩开采油气的方法:200510012473. 4[P]. 2005-04-20Taiyuan University of Technology. Convection heating oil shale for oil and gas extraction:200510012473. 4[P]. 2005-04-20
18 赵金岷.一种用于油页岩原位竖井压裂化学干馏提取页岩油气装置:中国,201310152533. 7[P]. 20130807Zhao Jinmin. A shale oil and gas plant for oil shale in-situ shaft fracturing chemical dry distillation extraction:China,201310152533. 7[P]. 20130807
19 李强.油页岩原位热裂解温度场数值模拟及实验研究[D].长春:吉林大学,2012Li Qiang. Simulation of temperature field and experiment of in-situ oil shale pyrolysis[D]. Changchun:Jilin University,2012
20 薛晋霞,刘中华.油页岩电加热法原位干馏温度场分布的数值仿真[J].地下空间与工程学报,2015,11(3):669-672Xue Jinxia,Liu Zhonghua. Numerical simulation of the temperature field distribution of oil shale under in-situ process by the electricity heating method[J]. Chinese Journal of Underground Space and Engineering,2015,11(3):669-672
21 孙常龙,王岳,邵慧龙,等.原位电法开发油页岩的温度场数值分析[J].辽宁石油化工大学学报,2015,35(4):40-43Sun Changlong,Wang Yue,Shao Huilong,et al. Numerical simulation of the development of oil shale in situ electrical temperature field[J]. Journal of Liaoning Shihua University,2015,35(4):40-43
22 康志勤.油页岩热解特性及原位注热开采油气的模拟研究[D].太原:太原理工大学,2008Kang Zhiqin. The pyrolysis characteristics and in-situ hot drive simulation research that exploit oil-gas of oil shale[D]. Taiyuan:Taiyuan University of Technology,2008
23 Fan Y,Durlofsky LJ,Tchelepi HA,et al. Numerical simulation of the in-situ upgrading of oil shale[J],SPE Journal,2009,15(2):368-381
24 康志勤,杨栋,赵阳升,等.利用原位电法加热技术开发油页岩的物理原理及数值分析[J].石油学报,2008,29(4):592-595Kang Zhiqin,Yang Dong,Zhao Yangsheng,et al. Physical principle and numerical analysis of oil shale development using in-situ conversion process technology[J]. Acta Petrolei Sinica,2008,29(4):592-595
25 姜鹏飞,孙友宏,郭威,等.压裂-注氮原位裂解油页岩加热工艺及传热模拟[J].东北大学学报(自然科学版),2015,36(9):1353-1357,1368Jiang Pengfei,Sun Youhong,Guo Wei,et al. Heating technology and heat transfer simulation for oil shale of in-situ pyrolysis by fracturing and nitrogen injection[J]. Journal of Northeastern University(Natural Science),2015,36(9):1353-1357,1368
26 雷光伦,李姿,姚传进,等.油页岩注蒸汽原位开采数值模拟[J].中国石油大学学报(自然科学版),2017,41(2):100-107Lei Guanglun,Li Zi,Yao Chuanjin,et al. Numerical simulation on in-situ upgrading of oil shale via steam injection[J]. Journal of China University of Petroleum(Edition of Natural Science),2017,41(2):100-107
27 薛晋霞.油页岩物理力学特性实验及其原位开采非稳态热传导数学模型研究[D].太原:太原理工大学,2007Xue Jinxia. The experiment research on physical&mechanical characteristics of oil shale and its unsteady heat conduction mathematical model of in-situ processing[D]. Taiyuan:Taiyuan University of Technology,2007
28 王健.油页岩原位开采温度场的数值模拟[D].长春:吉林大学,2011Wang Jian. Numerical simulation of temperature field for the in-situ upgrading of oil shale[D]. Changchun:Jilin University,2011
29 裴宝琳.油页岩低温热解的实验研究[D].太原:太原理工大学,2013Pei Baolin. The experimental reseach of oil shale decomposition at low temperature[D]. Taiyuan:Taiyuan University of Technology,2013
30 常思阳.松辽盆地油页岩加热过程储集物性特征研究[D].长春:吉林大学,2017Chang Shiyang. Research on reservoir characteristics of oil shale during heating in songliao basin[D]. Changchun:Jilin University,2017
31 宋青磊,刘招君,胡菲,等.松辽盆地扶余—长春岭地区上白垩统青山口组油页岩品质特征及意义[J].世界地质,2016,35(2):487-494Song Qinglei,Liu Zhaojun,Hu Fei,et al. Oil shale characteristics of upper cretaceous qiangshankou formation in fuyu-changchunling area of Songliao Basin and its significance[J]. Global Geology,2016,35(2):487-494
32 温志良,姜福平,钟长林,等.松辽盆地东南隆起超大型油页岩矿床特征及成因[J].吉林大学学报(地球科学版),2016,46(3):681-691Wen Zhiliang,Jiang Fuping,Zhong Changlin,et al. Features and origin of super-large oil shale deposit in southeast uplift of the songliao basin[J]. Journal of Jilin Unviersity(Earth Science Edition),2016,46(3):681-69
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