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1. 发明申请

US20120029826A1 APPARATUS AND METHOD FOR PREDICTING VERTICAL STRESS FIELDS 有权
标题翻译：用于预测垂直应力场的装置和方法
公开(公告)号：US20120029826A1
公开(公告)日：2012-02-02
申请号：US13012992
申请日：2011-01-25
申请人： Cem Ozan , Martin Brudy , Wouter Van Der Zee
发明人： Cem Ozan , Martin Brudy , Wouter Van Der Zee
IPC分类号： G06F19/00 , G01V1/30
CPC分类号： G01V1/303 , E21B49/006 , G01V11/00
摘要： A method of estimating stress in an earth formation is disclosed. The method includes: dividing a domain including at least a portion of an earth formation into a first region and a second region; estimating a first vertical stress in the first region and representing the first vertical stress as at least one point load; estimating a second vertical stress in the second region by a point load based method using the first vertical stress; and estimating at least one horizontal stress based on the second vertical stress.
摘要翻译：公开了一种估计地层中应力的方法。该方法包括：将包括地层的至少一部分的区域划分成第一区域和第二区域; 估计第一区域中的第一垂直应力并将第一垂直应力表示为至少一个点载荷; 通过使用第一垂直应力的基于点负荷的方法来估计第二区域中的第二垂直应力; 并基于第二垂直应力估计至少一个水平应力。

2. 发明申请

US20110077868A1 APPARATUS AND METHOD FOR PREDICTING VERTICAL STRESS FIELDS 有权
标题翻译：用于预测垂直应力场的装置和方法
公开(公告)号：US20110077868A1
公开(公告)日：2011-03-31
申请号：US12568094
申请日：2009-09-28
申请人： Cem Ozan , Martin Brudy , Wouter Van Der Zee
发明人： Cem Ozan , Martin Brudy , Wouter Van Der Zee
IPC分类号： G01V9/00 , G06F19/00
CPC分类号： G01V11/00
摘要： A method of estimating at least one of stress and pore fluid pressure in an earth formation is disclosed. The method includes: discretizing a domain including at least a portion of the earth formation into a plurality of cells, each cell including a respective density value; dividing the domain into a first region and a second region, the first region including a surface of the earth formation; vertically integrating the respective density values in the first region; and estimating the total vertical stress for each cell in the first region and the second region by estimating a point load based on the respective density value.
摘要翻译：公开了一种估计地层中的应力和孔隙流体压力中的至少一种的方法。该方法包括：将包括至少一部分地层的域离散成多个单元，每个单元包括相应的密度值; 将所述区域划分为第一区域和第二区域，所述第一区域包括所述地层的表面; 在第一区域中垂直整合相应的浓度值; 以及通过基于相应的密度值估计点载荷来估计第一区域和第二区域中的每个单元的总垂直应力。

3. 发明授权

US08214152B2 Apparatus and method for predicting vertical stress fields 有权
标题翻译：用于预测垂直应力场的装置和方法
公开(公告)号：US08214152B2
公开(公告)日：2012-07-03
申请号：US12568094
申请日：2009-09-28
申请人： Cem Ozan , Martin Brudy , Wouter Van Der Zee
发明人： Cem Ozan , Martin Brudy , Wouter Van Der Zee
IPC分类号： G01V99/00
CPC分类号： G01V11/00
摘要： A method of estimating at least one of stress and pore fluid pressure in an earth formation is disclosed. The method includes: discretizing a domain including at least a portion of the earth formation into a plurality of cells, each cell including a respective density value; dividing the domain into a first region and a second region, the first region including a surface of the earth formation; vertically integrating the respective density values in the first region; and estimating the total vertical stress for each cell in the first region and the second region by estimating a point load based on the respective density value.
摘要翻译：公开了一种估计地层中的应力和孔隙流体压力中的至少一种的方法。该方法包括：将包括至少一部分地层的域离散成多个单元，每个单元包括相应的密度值; 将所述区域划分为第一区域和第二区域，所述第一区域包括所述地层的表面; 在第一区域中垂直整合相应的浓度值; 以及通过基于相应的密度值估计点载荷来估计第一区域和第二区域中的每个单元的总垂直应力。

4. 发明授权

US09051815B2 Apparatus and method for predicting vertical stress fields 有权
标题翻译：用于预测垂直应力场的装置和方法
公开(公告)号：US09051815B2
公开(公告)日：2015-06-09
申请号：US13012992
申请日：2011-01-25
申请人： Cem Ozan , Martin Brudy , Wouter Van Der Zee
发明人： Cem Ozan , Martin Brudy , Wouter Van Der Zee
IPC分类号： G06F19/00 , E21B49/00 , G01V11/00
CPC分类号： G01V1/303 , E21B49/006 , G01V11/00
摘要： A method of estimating stress in an earth formation is disclosed. The method includes: dividing a domain including at least a portion of an earth formation into a first region and a second region; estimating a first vertical stress in the first region and representing the first vertical stress as at least one point load; estimating a second vertical stress in the second region by a point load based method using the first vertical stress; and estimating at least one horizontal stress based on the second vertical stress.
摘要翻译：公开了一种估计地层中应力的方法。该方法包括：将包括地层的至少一部分的区域划分成第一区域和第二区域; 估计第一区域中的第一垂直应力并将第一垂直应力表示为至少一个点载荷; 通过使用第一垂直应力的基于点负荷的方法来估计第二区域中的第二垂直应力; 并基于第二垂直应力估计至少一个水平应力。

5. 发明授权

US10102311B2 Obtaining micro- and macro-rock properties with a calibrated rock deformation simulation 有权
公开(公告)号：US10102311B2
公开(公告)日：2018-10-16
申请号：US15082109
申请日：2016-03-28
申请人： Marc Holland , Tobias Hoeink , Wouter Van Der Zee
发明人： Marc Holland , Tobias Hoeink , Wouter Van Der Zee
IPC分类号： G06F17/50
摘要： A method for estimating a property of an earth formation includes: obtaining a sample of rock; scanning the sample to determine internal rock damage; measuring a deformation parameter of the sample; constructing a mathematical model of the sample that replicates the determined and measured internal rock damage distribution; simulating the one or more tests using the mathematical model; obtaining a rock deformation parameter using the one or more simulated tests corresponding to the measured rock deformation parameter; comparing the rock deformation parameter obtained from the one or more simulated tests to the corresponding measured rock deformation parameter; adjusting parameters of the mathematical model based upon the rock parameter obtained from simulation not being within a selected range of the measured rock parameter; and providing the mathematical model as a verified mathematical model based upon the rock parameter obtained from simulation being within a selected range of the measured rock parameter.

6. 发明申请

US20160177706A1 FORMATION FRACTURING POTENTIAL USING SURROUNDING PORE PRESSURES 审中-公开
标题翻译：使用周边压力形成破裂潜力
公开(公告)号：US20160177706A1
公开(公告)日：2016-06-23
申请号：US14581255
申请日：2014-12-23
申请人： Marc Holland , Wouter Van Der Zee
发明人： Marc Holland , Wouter Van Der Zee
IPC分类号： E21B47/06 , E21B43/24 , G01V99/00
CPC分类号： E21B47/06 , E21B43/2406 , E21B49/006 , G01V2210/6248
摘要： A method for conducting an earth reservoir process includes receiving a stress field of a reservoir that includes a pore pressure field for a rock volume, selecting a search radius extending from a grid cell of interest, and substituting a pore pressure from a plurality of surrounding grid cells within the selected radius for the pore pressure of the grid cell of interest and determining if a critical stress state exists for each of the substituted pore pressures. The method further includes determining a shortest distance to a grid cell in the plurality of surrounding grid cells having a pore pressure that yields a critical stress state when substituted in the grid cell of interest and conducting the earth reservoir process with earth reservoir process apparatus using a parameter related to the determined shortest distance.
摘要翻译：一种用于进行地球储层过程的方法包括接收储层的应力场，其包括用于岩体的孔隙压力场，选择从感兴趣的网格单元延伸的搜索半径，并且从多个周围网格在所选择的半径内的细胞，用于感兴趣的网格单元的孔隙压力，并确定每个取代的孔隙压力是否存在临界应力状态。该方法还包括确定在具有孔隙压力的多个周围网格单元中的网格单元的最短距离，该孔隙压力在被感兴趣的网格单元中被替代时产生临界应力状态，并且使用地球储层处理装置与确定的最短距离相关的参数。

7. 发明授权

US10190406B2 Formation fracturing potential using surrounding pore pressures 有权
$Formation fracturing potential using surrounding pore pressures$
公开(公告)号：US10190406B2
公开(公告)日：2019-01-29
申请号：US14581255
申请日：2014-12-23
申请人： Marc Holland , Wouter Van Der Zee
发明人： Marc Holland , Wouter Van Der Zee
IPC分类号： E21B47/06 , E21B43/24 , E21B49/00
摘要： A method for conducting an earth reservoir process includes receiving a stress field of a reservoir that includes a pore pressure field for a rock volume, selecting a search radius extending from a grid cell of interest, and substituting a pore pressure from a plurality of surrounding grid cells within the selected radius for the pore pressure of the grid cell of interest and determining if a critical stress state exists for each of the substituted pore pressures. The method further includes determining a shortest distance to a grid cell in the plurality of surrounding grid cells having a pore pressure that yields a critical stress state when substituted in the grid cell of interest and conducting the earth reservoir process with earth reservoir process apparatus using a parameter related to the determined shortest distance.

8. 发明申请

US20180202266A1 NEAR WELLBORE DISCRETE FRACTURE NETWORKS 审中-公开
公开(公告)号：US20180202266A1
公开(公告)日：2018-07-19
申请号：US15870285
申请日：2018-01-12
申请人： Marc Holland , Wouter Van Der Zee
发明人： Marc Holland , Wouter Van Der Zee
IPC分类号： E21B41/00 , E21B47/00 , E21B49/00 , G06F17/50
CPC分类号： E21B41/0092 , E21B7/04 , E21B43/11 , E21B43/26 , E21B47/0002 , E21B47/18 , E21B49/00 , G06F17/5009
摘要： A method for performing a physical operation on a geologic formation includes: receiving image data of the formation obtained by an imaging tool disposed in a borehole penetrating the formation, the image data having images of fractures intersecting a wall of the borehole to provide borehole fracture data; simulating multiple fracture scenarios of the fractures intersecting the wall of the borehole with each scenario based on keeping the borehole fracture data constant to provide a plurality of simulations, each fracture scenario varying at least one of fracture dimensions, fracture shape, and fracture placement with respect to the borehole; determining a property from each simulation; calculating the property for the plurality of simulations at a selected statistical level, wherein the receiving, simulating, determining, and calculating are performed using a processor; and performing the physical operation on the geologic formation using physical operation apparatus based on the calculated property.

9. 发明申请

US20140345945A1 ESTIMATION OF OPTIMUM TRIPPING SCHEDULES 有权
标题翻译：最佳拖车时间表的估计
公开(公告)号：US20140345945A1
公开(公告)日：2014-11-27
申请号：US13901277
申请日：2013-05-23
申请人： Tobias Hoeink , Wouter Van Der Zee
发明人： Tobias Hoeink , Wouter Van Der Zee
IPC分类号： E21B41/00 , E21B49/02
CPC分类号： E21B41/0092 , E21B25/00 , E21B49/02
摘要： A method for removing a core sample from a borehole includes: taking the core sample within the borehole with a sampling tool; generating a model of the core sample, the model based on data representing properties of the core sample; defining a plurality of proposed tripping schedules; applying, by a processor, the plurality of proposed tripping schedules to the model, and estimating a core parameter for each of the plurality of proposed tripping schedules; comparing the core parameter to a criteria; and selecting a suitable tripping schedule based on the comparison.
摘要翻译：从钻孔中去除芯样品的方法包括：用采样工具将芯样品置于钻孔内; 生成核心样本的模型，该模型基于表示核心样本属性的数据; 定义多个提出的跳闸时间表; 通过处理器将多个所提出的跳闸计划应用于所述模型，以及针对所述多个所提出的跳闸计划中的每一个来估计核心参数; 将核心参数与标准进行比较; 并根据比较选择合适的跳闸计划。

10. 发明申请

US20190057168A1 OBTAINING MICRO- AND MACRO-ROCK PROPERTIES WITH A CALIBRATED ROCK DEFORMATION SIMULATION 审中-公开
公开(公告)号：US20190057168A1
公开(公告)日：2019-02-21
申请号：US16160453
申请日：2018-10-15
申请人： Marc Holland , Tobias Hoeink , Wouter Van Der Zee
发明人： Marc Holland , Tobias Hoeink , Wouter Van Der Zee
IPC分类号： G06F17/50 , E21B49/00 , G01N33/24 , G01V99/00 , E21B49/08
摘要： A method for estimating a property of an earth formation includes: obtaining a sample of rock; scanning the sample to determine internal rock damage; measuring a deformation parameter of the sample; constructing a mathematical model of the sample that replicates the determined and measured internal rock damage distribution; simulating the one or more tests using the mathematical model; obtaining a rock deformation parameter using the one or more simulated tests corresponding to the measured rock deformation parameter; comparing the rock deformation parameter obtained from the one or more simulated tests to the corresponding measured rock deformation parameter; adjusting parameters of the mathematical model based upon the rock parameter obtained from simulation not being within a selected range of the measured rock parameter; and providing the mathematical model as a verified mathematical model based upon the rock parameter obtained from simulation being within a selected range of the measured rock parameter.

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