ChemSim软件操作说明(中文)

油藏化学驱和调驱调剖模拟软件系统油藏化学驱和调驱调剖模拟软件系统 ChemSim 操作说明 操作说明 2010 年年 8 月月 目目 录录 一 软件概述一 软件概述 二 软件安装二 软件安装 三 模型建立与三维数值模拟的简捷操作说明三 模型建立与三维数值模拟的简捷操作说明 附录 附录 ChemSim 软件参数软件参数 1 标题和油藏描述 标题和油藏描述 2 油藏性质 油藏性质 3 物理性质 物理性质 4 历史拟合数据 历史拟合数据 5 输出选项 输出选项 一 软件概述一 软件概述 ChemSim 是美国 IUT 集团联合美国一个化学驱精英团队开发的 最新一代三维油田化学驱和调驱调剖软件 在国内外油田大量需求 中最近隆重推出 它是目前国际上功能最强 物理化学机理性计算 最完备 实验室数据基础最充分的化学驱及调驱调剖专业性很强的 软件系统 ChemSim 是集油藏建模 数值模拟于一体的大型综合油藏数值 模拟软件 油藏注水调驱调剖模拟技术软件数值模拟引擎采用了目 前油藏数值模拟研究的最新成果和多重网格高速算法 数值模拟运 算速度较快 ChemSim 除了用于数值模拟计算 还可以对模拟结果 进行处理 因为它本身具有模型后处理显示功能及曲线可视化 利 用 OpenGL 技术开发的功能强大的后处理三维图像显示模块可以三 维显示油藏数值模拟器计算的结果以及油藏地质结构体 油藏厚度 分布 有效厚度分布 孔隙度分布 渗透率分布 压力场分布 饱 和度场分布等 主要有以下特点 主要有以下特点 1 三维非等温的油藏化学驱数值模拟器 2 含有直角坐标和柱坐标两种网格坐标 3 适用于直井 水平井 斜井 4 模型中有关交联调剖运算部分的数学描述主要基于质量作用定律 5 三阶有限差分网格 6 岩石表面存在离子交换 7 示踪剂的双重孔隙度模型以及示踪剂的分配 反应 吸附和放射 性衰退 8 聚合物的粘弹性质模拟 9 颗粒胶体运移和膨胀 10 模拟中井的类型可以改变 11 自动时间步选择及精度 收敛 稳定性控制 12 考虑了全张量离散系数和分子弥散 粘土 活性剂阳离子交换 二 软件安装二 软件安装 1 启动 ESSS ChemSim Setup 安装程序 2 按要求完成安装步骤后 打开 ChemSim 主界面 选择 Help 目录 下的 License Info 如图 1 所示 图 1 License Info 3 生成机器码 物理地址 如图 2 所示 并将其反馈给本公司相 关人员 图 2 生成机器码 4 经公司总部审查 得到许可证 并加载许可证信息 文件类型为 LIC 如图 3 所示 图 3 加载许可证信息 5 许可证加载完成后 软件即可应用 三 模型建立与三维数值模拟的简捷操作说明三 模型建立与三维数值模拟的简捷操作说明 1 打开 ChemSim 软件到主界面 2 新建并输入软件中已存在的 ChemSim 模型文件夹 如图 4 所示 图 4 新建并输入软件中已存在的 ChemSim 模型文件夹 3 一个新项目文件已经建立 可以对其中每一项进行描述 如参数 的设置 选择和加载文件 可加载文件类型包括 dat 和 txt 如 图 5 所示 图 5 参数的设置 选择和加载文件 4 模型参数设置完成后 将其保存在已输入模型文件夹目录下 如 图 6 所示 加载文件加载文件 图 6 保存 5 进行数值模拟计算 如图 7 所示 图 7 数值模拟计算 6 计算完成之后 可以观看三维图像显示及曲线可视化 如图 8 图 9 所示 图 8 三维图像显示 图 9 曲线可视化 附录 附录 ChemSim 软件参数软件参数 Model Options RUNNO Run number 运行编号 TITLE Title and run description 标题和运行描述 IMES Time Step Mode 时步长类型 Flag indicating if a constant or automatic time step is to be used 1 Constant 常数 2 Automatic 自动 IMODE Setup Mode 模拟类型 Flag indicating if the problem to be run is a first run or a restart simulation 1 First Run 第一次运算 2 Restart 重新运算 IDISPC Numerical Dispersion Control 数值弥散控制条件 Flag indicating which type of numerical dispersion control is used 0 Single point upstream method is used 3 Improved total variation diminishing third order method is used IREACT Gel Reactions 有无凝胶反应 Flag indicating if gel reactions or alkaline options are used or not 0 Gel reactions are not used 1 Gel reactions are used ICOORD Coordinate System 坐标 直角坐标或柱坐标 Flag indicating which coordinate system is used 1 Cartesian 2 Radial ITREAC Tracer Reactions 有无示踪剂反应 Flag indicating if a tracer reaction is used or not 0 Tracer reactions are not used 1 Tracer reactions are used ITC Second Order Time Approximation 是否有二阶近似 Flag indicating if second order time approximation is used or not 0 Second order time approximation is not used 1 Second order time approximation is used IENG Thermal Variation 是否考虑温度变化 Flag indicating if temperature variation is considered or not 0 Isothermal simulation 1 Temperature equation is solved IUNIT Unit System 单位 公制或英制 Flag indicating English or Metric units 0 English 1 Metric Components COMP NAMES Component Names 组分名称 Names of the components in the model 1 Water 2 Oil 3 Surfactant 4 Polymer 5 Chloride 6 Calcium 7 Alcohol1 8 Alcohol2 TRACER NAMES Names of the Water Oil Tracers 水 油示踪剂名称 Names of the Water Oil Tracers in the model GEL NAMES Names of the Gel Components 凝胶组分名称 Names of the Gel Components in the model ITRU VALUES Water Tracer Units 水示踪剂单元 Flag indicating the units of the Ith water tracer Calculations ICF VALUES Component Included 参与计算的组分选择 Flag indicating if given component is included in the calculations or not Reservoir Properties COMPR Rock compressibility 岩石可压缩性 PSTAND Reference pressure 基准压力 Reference pressure at which pore volume and fluid compressibilities are specified Grid NX NY NZ Number Of Cells X Y Z X Y Z 方向的网格数 IDXYZ Grid Geometry Mode 网格几何参数类型 Flag indicating constant or variable grid size DX1 DY1 DZ1 Spacing X Y Z X Y Z 方向的网格大小 Rock Properties IPOR1 Reservoir Porosity 油藏孔隙度类型 Flag indicating constant or variable porosity for reservoir 0 Constant porosity for whole reservoir 2 Variable porosity over reservoir 4 Porosity values for each gridblock are read from POR input file PORC1 Reservoir Porosity 油藏孔隙度 PORI VALUES 加载孔隙度场 IPERMX Flag indicating constant or variable X direction permeability X 方向的渗透率类型 0 Constant permeability for whole reservoir 2 Variable permeability over reservoir 4 X direction permeability values for each gridblock are read from PERMX input file IPERMY Flag indicating constant or variable Y direction permeability for reservoir Y 方向的渗透率类型 0 Constant permeability for whole reservoir 2 Variable permeability over reservoir 3 Y direction permeability is dependent on X direction permeability 4 Y direction permeability values for each gridblock are read from PERMY input file IPERMZ Flag indicating constant or variable Z direction permeability for reservoir Z 方向的渗透率类型 0 Constant permeability for whole reservoir 2 Variable permeability over reservoir 3 Z direction permeability is dependent on X direction permeability 4 Z direction permeability values for each gridblock are read from PERMZ input file PERMX VALUES PERMY VALUES PERMZ VALUES Permeability of the each gridblock in the X Y Z direction 分别加载 X Y Z 方向渗透率场 FACTY Constant Permeability multiplier for Y direction Y 方向的渗透 率乘数 FACTZ Constant Permeability multiplier for Z direction Z 方向的渗透 率乘数 ITRANZ Transmissibilities Modified 传导率是否被修正 Flag indicating whether the transmissibilities are modified or not 0 No transmissibility modifier 1 Use transmissibility modifier INTG Net to gross Values Modify Gridblock Pore Volumes 是否用净毛 比值修正网格孔隙体积 Flag indicating whether net to gross values are input to modify gridblock pore volumes 0 Net to gross values are not input 1 Net to gross values are read from NTG input file Initial Properties IDEPTH Top Layer Depth Measurement Type 顶层深度类型 Flag indicating type of depth measurement of the top layer 0 Single value for depth of the top layer is specified 1 Depth of top gridblock 1 1 1 and the reservoir dip angles are specified 2 Depth of each gridblock in the top layer is specified 4 Depth values for each gridblock in the top layer are read from TOP input file D111 Measured Reservoir Top Layer Depth 顶层深度 Depth of the top layer of the reservoir measured from the surface reference plane positive downward D111 DIP First Gridblock Depth 网格坐标为 1 1 1 的深度 Depth of the first gridblock 1 1 1 THETAX Reservoir Dip Angle in X Direction X 方向的油藏倾角 Reservoir dip angle in X direction positive downward THETAY Reservoir Dip Angle in Y Direction Y 方向的油藏倾角 Reservoir dip angle in Y direction positive downward ELI VALUES Depth of each gridblock in the top layer 加载顶层深度 场 ELI VALUES should have 10000 values defined IPRESS Reservoir Initial Pressure Measurement 初始油藏压力类型 Flag indicating type of reservoir initial pressure measurement 0 Single value for reservoir initial pressure is used for all gridblocks 1 Initial pressure for a point at a specified depth is specified by user 2 Initial pressure for each gridblock is specified by user 4 Initial pressure for each gridblock is read from PRES input file PRESS1 Initial Reservoir Pressure 初始油藏压力值 PINIT Initial Reservoir Pressure at HINIT Depth 指定深度点所对应的 初始油藏压力 HINIT PINIT Initial Pressure Depth 指定的深度点 Depth of the point where PINIT initial pressure is specified PI VALUES Initial pressure of each gridblock 加载初始油藏压力场 Initial pressure of each gridblock in the reservoir PI VALUES should have 50000 values defined ISWI Initial Water Saturation Measurement 初始含水饱和度类型 Flag indicating type of initial water saturation measurement 0 Single value for initial water saturation is used for all gridblocks 2 Initial water saturation for each gridblock is specified by user 3 Initial water saturation according to oil water contact OWC 4 Initial water saturation for each gridblock is read from WSAT input file SWI Initial Water Saturation for all Gridblocks 初始含水饱和度 Initial water saturation for all gridblocks of the reservoir SI VALUES Initial water saturation of each gridblock 加载初始含水饱 和度场 SI VALUES should have 50000 values defined OWC Oil Water Depth Contact 油水界面深度 Depth to oil water contact SWC Residual water Saturation for oil water zone 油水区束缚水饱和 度 Brine Properties C50 Constant initial brine salinity 初始盐度 C60 Initial divalent cation concentration of brine 初始二价阳离子浓度 Property Modification IMOD Reservoir Properties Modified 油藏性质修正 Flag indicating whether the reservoir properties are modified or not 0 No property is modified 1 Allow for property modification IMPOR Porosity Modified 是否修正孔隙度值 Flag indicating whether the porosity is modified or not 0 No modification is considered in porosity values 1 Allow modification in porosity REGIONS PORO Porosity indexes 孔隙度修正区域 IMIN PORO The first index in X direction 孔隙度修正区域的 X 方向 首坐标 IMAX PORO The last index in X direction 孔隙度修正区域的 X 方向 末坐标 JMIN PORO The first index in Y direction 孔隙度修正区域的 Y 方 向首坐标 JMAX PORO The last index in Y direction 孔隙度修正区域的 Y 方向 末坐标 KMIN PORO The first index in Z direction 孔隙度修正区域的 Z 方 向首坐标 KMAX PORO The last index in Z direction 孔隙度修正区域的 Z 方向 末坐标 IFACT PORO How porosity is modified 孔隙度修正方式 1 Replace porosity with FACTX 2 Multiply porosity by FACTX 3 Add FACTX to porosity FACTX PORO The constant used to modify the porosity value 用于修 正孔隙度值的常数 IMKX Permeability in the X Direction Modified 是否修正 X 方向渗 透率值 Flag indicating whether the permeability in the X direction is modified or not IMKY Permeability in the Y Direction Modified 是否修正 Y 方向渗 透率值 Flag indicating whether the permeability in the Y direction is modified or not 0 No modification is considered in Y permeability 1 Allow modification in Y permeability IMKZ Permeability in the Z Direction Modified 是否修正 Z 方向渗透 率值 Flag indicating whether the permeability in the Z direction is modified or not 0 No modification is considered in Z permeability 1 Allow modification in Z permeability IMSW Initial water saturation modified 是否修正初始含水饱和度值 Flag indicating whether the initial water saturation is modified or not 0 No modification is considered in initial water saturation values 1 Allow modification in initial water saturation General Physical Properties Phase Behavior Surfactant EPSME Critical micelle concentration CMC 临界胶束浓度 minimum surfactant concentration for the formation of micelles HBNC70 Intercept of maximum height of binodal curve at zero salinity 在零盐度时双结点曲线最高点的截距 HBNC71 Intercept of maximum height of binodal curve at optimal salinity 在最佳盐度时双结点曲线最高点的截距 HBNC72 Intercept of maximum height of binodal curve at at twice optimal salinity 在 2 倍最佳盐度时双结点曲线最高点的截 距 CSEL7 Lower effective salinity limit for Type III phase region determined when Alcohol 1 and calcium approach zero 当醇 1 与 Ca 浓度接近 0 时 模型 的有效盐度下限值 CSEU7 Upper effective salinity limit for Type III phase region determined when Alcohol 1 and calcium approach zero 当醇 1 与 Ca 浓度接近 0 时 模型 的有效盐度上限值 BETA6 Ca 有效盐度的斜率 The effective salinity slope parameter for calcium Cosolvent1 HBNS70 Slope for maximum height of binodal curve vs fraction of Alcohol 1 associated with surfactant at zero salinity 双结点 曲线最高点的斜率与在零盐度时添加表活剂的醇 1 分数之 比 HBNS71 Slope for maximum height of binodal curve vs fraction of Alcohol 1 associated with surfactant at optimal salinity 双结 点曲线最高点的斜率与在最佳盐度时添加表活剂的醇 1 分 数之比 HBNS72 Slope for maximum height of binodal curve vs fraction of Alcohol 1 associated with surfactant at twice optimal salinity 双结点曲线最高点的斜率与在 2 倍最佳盐度时添加表活剂 的醇 1 分数之比 BETA7 The effective salinity slope parameter for Alcohol 1 醇 1 有 效盐度的斜率 Cosolvent2 HBNS80 Slope for maximum height of binodal curve vs fraction of Alcohol 2 associated with surfactant at zero salinity HBNC80 Intercept of maximum height of binodal curve at zero fraction of Alcohol 2 associated with surfactant at zero salinity HBNS81 Slope of maximum height of binodal curve vs fraction of Alcohol 2 associated with surfactant at optimal salinity HBNC81 Intercept of maximum height of binodal curve at zero fraction of Alcohol 2 associated with surfactant at optimal salinity HBNS82 Slope for maximum height of binodal curve vs fraction of Alcohol 2 associated with surfactant at twice optimal salinity HBNC82 Intercept of maximum height of binodal curve at zero fraction of Alcohol 2 associated with surfactant at twice optimal salinity CSEL8 当醇 2 与 Ca 浓度接近 0 时 模型 的有效盐度下限值 Lower effective salinity limit for Type III phase region determined when Alcohol 2 and calcium approach zero CSEU8 当醇 2 与 Ca 浓度接近 0 时 模型 的有效盐度上限值 Upper effective salinity limit for Type III phase region determined when Alcohol 2 and calcium approach zero BETA8 醇 2 有效盐度的斜率 The effective salinity slope parameter for Alcohol 2 Alcohol Partitioning IALC 乙醇分离模型选择 Flag indicating choice of alcohol partition model to use 0 Hirasaki s model will be used 1 Prouvost s model will be used OPSK70 对于醇 1 的乙醇分离系数 油 水 Alcohol partition coefficient oil water for Alcohol 1 OPSK7S 对于醇 1 的乙醇分离系数 表活剂 水 Alcohol partition coefficient surfactant water for Alcohol 1 OPSK80 对于醇 2 的乙醇分离系数 油 水 Alcohol partition coefficient oil water for Alcohol 2 OPSK8S 对于醇 2 的乙醇分离系数 表活剂 水 Alcohol partition coefficient surfactant water for Alcohol 2 NALMAX 乙醇分离的最大迭代次数 Maximum number of iterations for alcohol partitioning for two alcohol system EPSALC 迭代收敛公差 Tolerance for convergence of iterations for two alcohol system AKWC7 AKWS7 决定水 油两相之间单体醇 1 的分配系数的参 数 Parameters used to determine partition coefficient of monomeric Alcohol 1 between aqueous and oleic pseudophases AKM7 表面活性剂和油相之间单体醇 1 的分配系数 Partition coefficient of monomeric Alcohol 1 between surfactant and oleic pseudophases AK7 油相中醇 1 的自缔合常数 Self association constant of Alcohol 1 in oleic pseudophase PT7 醇 1 的摩尔体积与等量的表面活性剂摩尔体积之比 Ratio of molar volume of Alcohol 1 to equivalent molar volume of surfactant AKWC8 AKWS8 决定水 油两相之间单体醇 2 的分配系数的参 数 Parameters used to determine partition coefficient of monomeric Alcohol 2 between aqueous and oleic pseudophases AK8 油相中醇 2 的自缔合常数 Self association constant of Alcohol 2 in oleic pseudophase PT8 醇 2 的摩尔体积与等量的表面活性剂摩尔体积之比 Ratio of molar volume of Alcohol 2 to equivalent molar volume of surfactant Temperature Effect HBNT0 Slope of height of binodal curve versus temperature at zero salinity HBNT1 Slope of height of binodal curve versus temperature at optimal salinity HBNT2 Slope of height of binodal curve versus temperature at twice optimal salinity CSET The Slope parameter for temperature dependency of the T three phase window Interfacial Tension IFT 界面张力关系类型 This flag indicates which interfacial tension correlation is used 0 Healy and Reed s correlation will be used 1 Huh s correlation will be used G11 G12 G13 水和微乳液界面的界面张力参数 Interfacial tension parameters for water microemulsion interface G21 G22 G23 油和微乳液界面的界面张力参数 Interfacial tension parameters for oil microemulsion interface XIFTW where is the interfacial tension of the water oil wo 10 log wo interface CHUH Constant in modified Huh s interfacial tension correlation AHUH Constant in modified Huh s interfacial tension correlation Relative Permeability IPERM 相渗曲线类型 Flag indicating which relative permeability and capillary pressure model is used 0 Imbibition Corey 1 First drainage Corey only for two phase water oil flow IRTYPE 岩石类型 Flag indicating if the rock type option is used 0 Rock type option is not used 1 Rock type option is used NREGION Number of regions 区块的编号 Number of regions used to specify relative permeability and capillary pressure when the rock type option is used PVTNUM VALUES Rock type region numbers for each gridblock PVTNUM VALUES should have 50000 values defined ITRAP 束缚水饱和度和相渗曲线的决定因素 Flag indicating whether residual saturations and relative permeabilities are dependent on capillary number or not 0 Residual saturations are not dependent on capillary number endpoint and exponent of relative permeability curves are constant 1 Residual saturations and relative permeabilities are dependent on capillary number 2 Residual saturations and relative permeabilities are dependent on trapping number T11 水相的毛细管驱替曲线参数 Capillary desaturation curve parameter for aqueous phase T22 油相的毛细管驱替曲线参数 Capillary desaturation curve parameter for oleic phase T33 微乳相的毛细管驱替曲线参数 Capillary desaturation curve parameter for microemulsion phase ISRW 束缚水饱和度类型选择 Flag indicating type of residual saturation 0 Constant residual saturation for entire reservoir 2 Residual saturation specified for each gridblock 4 Residual saturation for each gridblock is read from SJRW input file S1RWC 对于整个油藏 在低毛细管数情况下 水相被油相所驱替 的束缚水饱和度 Residual saturation of aqueous phase displaced by oil at low capillary number for entire reservoir S2RWC 对于整个油藏 在低毛细管数情况下 油相被水相所驱替 的束缚水饱和度 Residual saturation of oleic phase displaced by water at low capillary number for entire reservoir S3RWC 对于整个油藏 在低毛细管数情况下 微乳相被水相所驱 替的束缚水饱和度 Residual saturation of microemulsion phase displaced by water at low capillary number for entire reservoir S1RW VALUES Residual saturation of aqueous phase displaced by oil for each grid block S2RW VALUES Residual saturation of oleic phase displaced by water for each grid block S3RW VALUES Residual saturation of microemulsion phase displaced by water oil for each grid block IPRW 相渗曲线末端类型选择 Flag indicating type of endpoint relative permeability 0 Constant endpoint relative permeability for entire reservoir 2 Endpoint relative permeability specified for each gridblock 4 Endpoint relative permeability for each gridblock is read from PJRW input file P1RWC 对于整个油藏 在低毛细管数情况下 水相相渗曲线的末 端 End point relative permeability of water at low capillary number for entire reservoir P2RWC 对于整个油藏 在低毛细管数情况下 油相相渗曲线的末 端 End point relative permeability of oil at low capillary number for entire reservoir P3RWC 对于整个油藏 在低毛细管数情况下 微乳相相渗曲线的 末端 End point relative permeability of microemulsion at low capillary number for entire reservoir P1RW VALUES Relative permeability of water for each gridblock P2RW VALUES Relative permeability of oil for each gridblock P3RW VALUES Relative permeability of microemulsion for each gridblock IEW 相渗曲线指数的选择 Flag indicating type of relative permeability exponent 0 Constant relative permeability exponent for entire reservoir 2 Relative permeability exponent specified for each grid