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1. 发明申请

WO2011043862A1 DISCRETIZED PHYSICS-BASED MODELS AND SIMULATIONS OF SUBTERRANEAN REGIONS, AND METHODS FOR CREATING AND USING THE SAME 审中-公开
标题翻译：基于物理学的分层模型和模拟亚区域及其创建和使用方法
公开(公告)号：WO2011043862A1
公开(公告)日：2011-04-14
申请号：PCT/US2010/045031
申请日：2010-08-10
申请人： EXXONMOBIL UPSTREAM RESEARCH COMPANY , WALLACE, Jon, M. , HUANG, Hao , WAN, Jing
发明人： WALLACE, Jon, M. , HUANG, Hao , WAN, Jing
IPC分类号： G06G7/48
CPC分类号： E21B49/00 , E21B43/00 , G01V99/00
摘要： Methods for creating and using discretized physics-based models of subsurface regions, which may contain a hydrocarbon reservoir or other subsurface feature(s). The methods may include selecting a pre-solved model, applying a mesh to the pre-solved model, defining the shape of the subsurface region to be modeled, and transforming the pre-solved model, to which the mesh has been applied, to the shape of the subsurface region. In some methods, the pre-solved model is an idealized model. In some methods, the mesh is applied to a solution of potential field lines associated with the pre-solved model, and in some methods, the solution of potential field lines is a composite solution of a plurality of solutions of potential field lines. In some methods, one or more supershapes are used to define the shape of the subsurface region. In some methods, a hyperelastic strain deformation calculation is utilized for the transforming.
摘要翻译：用于创建和使用可能包含烃储层或其他地下特征的地下区域的基于离散物理的模型的方法。所述方法可以包括选择预先解决的模型，将网格应用于预先确定的模型，定义待建模的地下区域的形状，以及将已应用网格的预先解决的模型转换为地下区域的形状。在一些方法中，预先解决的模型是一个理想化的模型。在一些方法中，将网格应用于与预定模型相关联的潜在场线的解，并且在一些方法中，势场线的解是多个势场解的解的复合解。在一些方法中，使用一个或多个超级形状来限定地下区域的形状。在一些方法中，使用超弹性应变变形计算进行变换。

2. 发明申请

WO2009029135A1 METHOD FOR PREDICTING WELL RELIABILITY BY COMPUTER SIMULATION 审中-公开
标题翻译：通过计算机模拟预测可靠性的方法
公开(公告)号：WO2009029135A1
公开(公告)日：2009-03-05
申请号：PCT/US2008/007438
申请日：2008-06-13
申请人： EXXONMOBIL UPSTREAM RESEARCH COMPANY , HSU, Sheng-Yuan , SEARLES, Kevin, H. , WALLACE, Jon, M.
发明人： HSU, Sheng-Yuan , SEARLES, Kevin, H. , WALLACE, Jon, M.
IPC分类号： G06G7/48
CPC分类号： E21B49/006 , G01V11/00 , G01V99/005 , G01V2210/6248 , G01V2210/663
摘要： Methods of predicting earth stresses in response to pore pressure changes in a hydrocarbon-bearing reservoir within a geomechanical system, include establishing physical boundaries for the geomechanical system and acquiring reservoir characteristics. Geomechanical simulations simulate the effects of changes in reservoir characteristics on stress in rock formations within the physical boundaries to determine the rock formation strength at selected nodes in the reservoir. The strength of the rock formations at the nodes is represented by an effective strain (ε eff ), which includes a compaction strain (ε c ) and out-of-plane shear strains (Υ1-3, Y2-3) at a nodal point. The methods further include determining an effective strain criteria (ε eff cr ) from a history of well failures in the physical boundaries. The effective strain (ε eff cr ) at a selected nodal point is compared with the effective strain criteria (ε eff cr ) to determine if the effective strain (ε eff ) exceeds the effective strain criteria (ε eff cr ).
摘要翻译：在地质力学系统中预测地球应力响应孔隙压力变化的方法包括建立地质力学系统的物理边界并获取储层特征。地质力学模拟模拟储层特征变化对物理边界内岩层应力的影响，以确定储层选定节点的岩层强度。在节点处的岩层的强度由有效应变（eeff）表示，其在节点处包括压实应变（ec）和面外剪切应变（β1-3，Y2-3）。所述方法还包括从物理边界的井故障历史中确定有效应变标准（eeff cr）。将选定节点处的有效应变（eeff cr）与有效应变标准（eeff cr）进行比较，以确定有效应变（eeff）是否超过有效应变标准（eeff cr）。

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