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公开(公告)号：US09222902B2
公开(公告)日：2015-12-29
申请号：US13346468
申请日：2012-01-09
申请人： Fred K. Gruber , Lalitha Venkataramanan , Tarek M. Habashy , Philip M. Singer , Denise E. Freed
发明人： Fred K. Gruber , Lalitha Venkataramanan , Tarek M. Habashy , Philip M. Singer , Denise E. Freed
CPC分类号： G01N24/081 , G01R33/448
摘要： A nuclear magnetic resonance (NMR) related distribution is estimated that is consistent with NMR measurements and uses linear functionals directly estimated from the measurement indications by integral transforms as constraints in a cost function. The cost function includes indications of the measurement data, Laplace transform elements and the constraints, and a distribution estimation is made by minimizing the cost function. The distribution estimation may be used to find parameters of the sample. Where the sample is a rock or a formation, the parameters may include parameters such as rock permeability and/or hydrocarbon viscosity, bound and free fluid volumes, among others. The parameters may be used in models, equations, or otherwise to act on the sample, such as in recovering hydrocarbons from the formation.
摘要翻译： 估计核磁共振（NMR）相关分布与NMR测量一致，并且使用通过积分变换作为成本函数中的约束从测量指示直接估计的线性函数。 成本函数包括测量数据，拉普拉斯变换元素和约束的指示，并且通过最小化成本函数来进行分布估计。 分布估计可用于查找样本的参数。 在样品是岩石或地层的情况下，参数可以包括诸如岩石渗透性和/或烃粘度，结合和游离流体体积等参数。 这些参数可以用于模型，方程式或其他方式作用于样品，例如从地层回收碳氢化合物。
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公开(公告)号：US10732314B2
公开(公告)日：2020-08-04
申请号：US13333232
申请日：2011-12-21
摘要： Apparatus and method of characterizing a subterranean formation including observing a formation using nuclear magnetic resonance measurements, calculating an answer product by computing an integral transform on the indications in measurement-domain, and using answer products to estimate a property of the formation. Apparatus and a method for characterizing a subterranean formation including collecting NMR data of a formation, calculating an answer product comprising the data, wherein the calculating comprises a formula K ( x ) ≡ ∫ 0 ∞ k ( t ) e - t / x dt . and estimating a property of the formation using the answer product.
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公开(公告)号：US09671516B2
公开(公告)日：2017-06-06
申请号：US13543393
申请日：2012-07-06
CPC分类号： G01N24/081 , G01N11/16 , G01R33/448 , G01V3/14 , G01V3/32
摘要： Methods and related systems are described for estimating fluid or rock properties from NMR measurements. A modified pulse sequence is provided that can directly provide moments of relaxation-time or diffusion distributions. This pulse sequence can be adapted to the desired moment of relaxation-time or diffusion coefficient. The data from this pulse sequence provides direct estimates of fluid properties such as average chain length and viscosity of a hydrocarbon. In comparison to the uniformly-spaced pulse sequence, these pulse sequences are faster and have a lower error bar in computing the fluid properties.
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4.发明申请公开(公告)号：US20120232799A1
公开(公告)日：2012-09-13
申请号：US13394437
申请日：2010-08-10
CPC分类号： G01N33/2823 , E21B49/00 , E21B2049/085
摘要： A methodology that performs downhole fluid analysis of fluid properties of a reservoir and characterizes the reservoir based upon such downhole fluid analysis. The methodology acquires at least one fluid sample at a respective measurement station and performs downhole fluid analysis to measure properties of the fluid sample, including concentration of a plurality of high molecular weight components. For each of a plurality of type classes corresponding to different subsets of a predetermined set of high molecular weight components, a model is used to predict the concentration of the components of the given type class for the plurality of measurement stations. The predicted concentrations of the high molecular weight components for the plurality of type classes are then compared with corresponding concentrations measured by downhole fluid analysis for the plurality of measurement stations to identify the best matching type class. The results of the comparison are used for reservoir analysis,
摘要翻译： 一种对储层的流体性质进行井下流体分析的方法，并基于这种井下流体分析来表征储层。 该方法在相应的测量站处获取至少一个流体样品，并执行井下流体分析以测量流体样品的性质，包括多个高分子量组分的浓度。 对于对应于预定的一组高分子量分量的不同子集的多个类型类别中的每一个，使用模型来预测多个测量站的给定类型类别的分量的浓度。 然后将多个类型类别的高分子量组分的预测浓度与通过多个测量站的井下流体分析测量的相应浓度进行比较，以鉴定最佳匹配类型类别。 比较结果用于油藏分析，
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公开(公告)号：US09201158B2
公开(公告)日：2015-12-01
申请号：US13357378
申请日：2012-01-24
CPC分类号： G01V3/32 , G01N24/081 , G01R33/448
摘要： Estimating and displaying information about the size of molecules within a substance from nuclear magnetic resonance (NMR) maps and/or logs. Methods include utilizing a relationship between the molecular size (e.g., mean chain length), and either a moment of diffusion or a relaxation distribution, to create a scale on a two-dimensional map. In one case, applying the relationship between the molecular size, and either a moment of diffusion or a relaxation distribution, to one-dimensional diffusion or relaxation distributions for the purpose of estimating the mean chain length of molecules within the substance. In another case, a method includes determining mean chain lengths of molecules within a substance and providing a one-dimensional NMR log showing the mean chain lengths at a plurality of depths. In some cases, the NMR log includes actuatable regions for examining two-dimensional NMR maps or chain length distributions of the substance corresponding with distinct depths of the substance.
摘要翻译： 从核磁共振（NMR）图和/或记录中估计和显示有关物质中分子大小的信息。 方法包括利用分子大小（例如，平均链长度）与扩散时刻或松弛分布之间的关系，以在二维图上产生刻度。 在一种情况下，为了估计物质内的分子的平均链长度，将分子大小，或者是扩散时刻或松弛分布之间的关系应用于一维扩散或松弛分布。 在另一种情况下，一种方法包括测定物质内分子的平均链长度，并提供一维NMR记录，显示多个深度处的平均链长度。 在某些情况下，NMR对数包括用于检查对应于物质的不同深度的物质的二维NMR图或链长分布的可致动区域。
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6.发明申请公开(公告)号：US20120232859A1
公开(公告)日：2012-09-13
申请号：US13043773
申请日：2011-03-09
申请人： Andrew E. Pomerantz , Youxiang Zuo , John Waggoner , Zulfiquar Ail Reza , Sophie Nazik Godefroy , Thomas Pfeiffer , Denise E. Freed , Oliver C. Mullins
发明人： Andrew E. Pomerantz , Youxiang Zuo , John Waggoner , Zulfiquar Ail Reza , Sophie Nazik Godefroy , Thomas Pfeiffer , Denise E. Freed , Oliver C. Mullins
CPC分类号： G06F17/5009 , G01V99/005 , G01V2210/64 , G01V2210/642 , G01V2210/644 , G06F2217/16
摘要： Fluid property modeling that employs a model that characterizes asphaltene concentration gradients is integrated into a reservoir modeling and simulation framework to allow for reservoir compartmentalization (the presence or absence of flow barrier in the reservoir) to be assessed more quickly and easily. Additionally, automated integration of the fluid property modeling into the reservoir modeling and simulation framework allows the compositional gradients produced by the fluid property modeler (particularly asphaltene concentration gradients) to be combined with other data, such as geologic data and other petrophysical data, which allows for more accurate assessment of reservoir compartmentalization.
摘要翻译： 使用表征沥青质浓度梯度的模型的流体特性建模被整合到储层建模和模拟框架中，以便更快速和容易地评估储层分隔（储层中存在或不存在流动屏障）。 另外，将流体特性建模自动化集成到储层建模和模拟框架中可以使由流体特性建模者（特别是沥青质浓度梯度）产生的组成梯度与其他数据（如地质数据和其他岩石物理数据）相结合，从而允许 以更准确地评估储层分隔。
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7.发明申请USING MODELS FOR EQUILIBRIUM DISTRIBUTIONS OF ASPHALTENES IN THE PRESCENCE OF GOR GRADIENTS TO DETERMINE SAMPLING PROCEDURES 有权在确定采样程序的GOR梯度中使用平均分子平均分布的模型公开(公告)号：US20090312997A1
公开(公告)日：2009-12-17
申请号：US12483813
申请日：2009-06-12
CPC分类号： E21B49/00
摘要： Methods and systems to characterize a fluid in a reservoir to determine if the fluid is in one of equilibrium or non-equilibrium in terms of one of gravity, solvency power, entropy effect or some combination thereof. The method includes acquiring tool data at each depth for each fluid sample of at least two fluid samples wherein each fluid sample is at a different depth and communicating the tool data to a processor. Determining formation properties of each fluid sample to obtain formation property data and determining fluid properties for each fluid sample to obtain fluid property data. Selecting a mathematical model based on one of gravity, solvency power or entropy, in view of a fluid property, using one of tool data, formation property data, fluid property data, known fluid reservoir data or some combination thereof, to predict if the fluid is in an equilibrium distribution or a non-equilibrium distribution.
摘要翻译： 表征储层中流体的方法和系统，以根据重力，溶剂能力，熵效应或其某种组合来确定流体是平衡还是非平衡中的一种。 该方法包括在至少两个流体样本的每个流体样本的每个深度获取工具数据，其中每个流体样本处于不同的深度并将工具数据传送到处理器。 确定每个流体样品的形成性质，以获得每个流体样品的地层性质数据和确定流体性质，以获得流体性质数据。 考虑到流体特性，使用工具数据，地层数据，流体特性数据，已知流体储层数据或其某些组合之一来选择基于重力，溶剂能力或熵之一的数学模型来预测流体 处于均衡分布或非均衡分布。
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公开(公告)号：US10534871B2
公开(公告)日：2020-01-14
申请号：US13043773
申请日：2011-03-09
申请人： Andrew E. Pomerantz , Youxiang Zuo , John Waggoner , Zulfiquar Ail Reza , Sophie Nazik Godefroy , Thomas Pfeiffer , Denise E. Freed , Oliver C. Mullins
发明人： Andrew E. Pomerantz , Youxiang Zuo , John Waggoner , Zulfiquar Ail Reza , Sophie Nazik Godefroy , Thomas Pfeiffer , Denise E. Freed , Oliver C. Mullins
摘要： Fluid property modeling that employs a model that characterizes asphaltene concentration gradients is integrated into a reservoir modeling and simulation framework to allow for reservoir compartmentalization (the presence or absence of flow barrier in the reservoir) to be assessed more quickly and easily. Additionally, automated integration of the fluid property modeling into the reservoir modeling and simulation framework allows the compositional gradients produced by the fluid property modeler (particularly asphaltene concentration gradients) to be combined with other data, such as geologic data and other petrophysical data, which allows for more accurate assessment of reservoir compartmentalization.
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9.发明授权公开(公告)号：US09410936B2
公开(公告)日：2016-08-09
申请号：US13394437
申请日：2010-08-10
申请人： Youxiang Zuo , Denise E. Freed , Oliver Clinton Mullins , Christopher Harrison , Mary Jane Tsang Mui Ching , Huang Zeng
发明人： Youxiang Zuo , Denise E. Freed , Oliver Clinton Mullins , Christopher Harrison , Mary Jane Tsang Mui Ching , Huang Zeng
CPC分类号： G01N33/2823 , E21B49/00 , E21B2049/085
摘要： A methodology that performs downhole fluid analysis of fluid properties of a reservoir and characterizes the reservoir based upon such downhole fluid analysis. The methodology acquires at least one fluid sample at a respective measurement station and performs downhole fluid analysis to measure properties of the fluid sample, including concentration of a plurality of high molecular weight components. For each of a plurality of type classes corresponding to different subsets of a predetermined set of high molecular weight components, a model is used to predict the concentration of the components of the given type class for the plurality of measurement stations. The predicted concentrations of the high molecular weight components for the plurality of type classes are then compared with corresponding concentrations measured by downhole fluid analysis for the plurality of measurement stations to identify the best matching type class. The results of the comparison are used for reservoir analysis.
摘要翻译： 一种对储层的流体性质进行井下流体分析的方法，并基于这种井下流体分析来表征储层。 该方法在相应的测量站处获取至少一个流体样品，并执行井下流体分析以测量流体样品的性质，包括多个高分子量组分的浓度。 对于对应于预定的一组高分子量分量的不同子集的多个类型类别中的每一个，使用模型来预测多个测量站的给定类型类别的分量的浓度。 然后将多个类型类别的高分子量组分的预测浓度与通过多个测量站的井下流体分析测量的相应浓度进行比较，以鉴定最佳匹配类型类别。 比较结果用于油藏分析。
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