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公开(公告)号：US09891335B2
公开(公告)日：2018-02-13
申请号：US14742021
申请日：2015-06-17
发明人： Douglas E. Miller , Richard Timothy Coates , Tarek M. Habashy , Francois M. Auzerais , Phil F. Sullivan , Dominique Guillot , Rod William Shampine
CPC分类号： G01V1/52 , E21B47/0005 , E21B47/042 , E21B47/06 , E21B47/065 , E21B47/091 , E21B47/18 , G01V1/48
摘要： A predetermined condition in a fluid-filled wellbore system can be detected by generating at least one sound in the wellbore system in response to the condition, such that a detectable change is created in some characteristic of the emitted sound, and detecting the at least one sound and the change, the detection being indicative that the predetermined condition has occurred. Equipment for facilitating detection of the condition can include a trigger operable in response to the condition; a generator operable to emit sound in the borehole and to create a detectable change in some characteristic of the emitted sound in response to the trigger; and at least one sensor operable to monitor the sound and detect the change, the detection being indicative that the predetermined condition has occurred. It is also possible to estimate a value of a property of a fluid-filled wellbore system. This can be accomplished by recording data including at least one of pressure and rate of flow at one or more locations in the wellbore system, and then estimating the value of the property by employing a model for predicting at least one of pressure and rate of flow dependent upon parameters detailing at least one of wellbore system geometry, viscoacoustic properties of the fluid and entrained solids contained in the wellbore system, locations of boundaries and entrained solids, and characteristics and locations of disturbances to pressure and flow in the wellbore system, in order to determine a best prediction of some attribute of the recorded data.
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22.发明授权公开(公告)号：US09869792B2
公开(公告)日：2018-01-16
申请号：US14352566
申请日：2012-10-24
发明人： Sushil Shetty , Dzevat Omeragic , Tarek M. Habashy , John Rasmus , Jeffrey Miles
摘要： Methods and apparatus for characterizing a subterranean formation traversed by a wellbore including collecting data from the formation using a tool wherein the tool collects data to form an azimuthal image, characterizing a section of the formation comprising data and images acquired in a high angle wellbore section or horizontal wellbore section using a parametric model, and performing an inversion using apparent densities and volumetric photoelectric factor images to build a formation model wherein the inversion is tailored for high angle wellbore sections and/or horizontal wellbore sections.
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23.发明申请Inversion Techniques For Real-Time Well Placement And Reservoir Characterization 审中-公开反演技术实时定位和油藏特征公开(公告)号：US20170075021A1
公开(公告)日：2017-03-16
申请号：US15123201
申请日：2015-03-03
发明人： Michael Thiel , Dzevat Omeragic , Tarek M. Habashy
IPC分类号： G01V3/20
CPC分类号： G01V3/20 , E21B47/122 , G01V3/38
摘要： A method is disclosed herein. The method includes disposing an electromagnetic logging tool in a borehole penetrating a formation, the electromagnetic logging tool being part of a drill string in the formation, the drill string having a drill bit. The method includes acquiring measurements using the electromagnetic logging tool. Further, the method includes using a processor, applying a pixel-based inversion to the acquired measurements to determine at least one formation property, wherein applying the pixel-based inversion includes using adaptive regularization.
摘要翻译： 本文公开了一种方法。 该方法包括将电磁测井工具设置在穿透地层的钻孔中，该电磁测井工具是地层中的钻柱的一部分，钻柱具有钻头。 该方法包括使用电磁测井工具获取测量。 此外，该方法包括使用处理器，对获取的测量应用基于像素的反演以确定至少一个形成特性，其中应用基于像素的反演包括使用自适应正则化。
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公开(公告)号：US20160245952A1
公开(公告)日：2016-08-25
申请号：US15026533
申请日：2014-10-03
摘要： Systems, methods, and apparatuses to generate a formation model are described. In one aspect, a logging system includes a transmitter to produce an electromagnetic field in a borehole, a receiver in the borehole to detect a first field signal induced by the electromagnetic field at a first depth of investigation and a second field signal induced by the electromagnetic field at a second depth of investigation, and a modeling unit to perform a first one-dimensional inversion on the first field signal and a second one-dimensional inversion on the second field signal, build a two-dimensional model from the first one-dimensional inversion and the second one-dimensional inversion, and perform a two-dimensional inversion on the two-dimensional model to generate a two-dimensional formation model.
摘要翻译： 描述了用于生成形成模型的系统，方法和装置。 在一个方面，测井系统包括在钻孔中产生电磁场的发射器，钻孔中的接收器，用于检测由第一调查深度处的电磁场引起的第一场信号和由电磁场引起的第二场信号 场和第二场信号的第二一维反演;以及建模单元，用于对所述第一场信号执行第一一维反演，并且对所述第二场信号执行第二一维反演，从所述第一一维建立二维模型 反演和第二次一维反演，并对二维模型进行二维反演，生成二维形成模型。
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公开(公告)号：US20150177351A1
公开(公告)日：2015-06-25
申请号：US14406503
申请日：2013-05-24
发明人： Lalitha Venkataramanan , Fred K. Gruber , Tarek M. Habashy , Ridvan Akkurt , Badarinadh Vissapragada , Richard E. Lewis , Erik Rylander
CPC分类号： G01R33/54 , G01N24/08 , G01N24/081 , G01R33/448 , G01V3/14 , G01V3/32 , G01V3/38
摘要： A methods are provided for investigating a sample containing hydrocarbons by subjecting the sample to a nuclear magnetic resonance (NMR) sequence using NMR equipment, using the NMR equipment to detect signals from the sample in response to the NMR sequence, analyzing the signals to extract a distribution of relaxation times (or diffusions), and computing a value for a parameter of the sample as a function of at least one of the relaxation times (or diffusions), wherein the computing utilizes a correction factor that modifies the value for the parameter as a function of relaxation time for at least short relaxation times (or as a function of diffusion for at least large diffusion coefficients).
摘要翻译： 提供了一种用于通过使用NMR设备使用NMR设备对样品进行核磁共振（NMR）序列来检测含有烃的方法，以响应于NMR序列检测来自样品的信号，分析信号以提取 弛豫时间（或扩散）的分布，以及将样本的参数的值计算为弛豫时间（或扩散）中的至少一个的函数，其中所述计算利用修正因子，其将所述参数的值修改为 松弛时间的函数至少较短的弛豫时间（或作为至少大的扩散系数的扩散的函数）。
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26.发明授权Multilevel workflow method to extract resistivity anisotropy data from three-dimensional induction measurements 有权从三维感应测量中提取电阻率各向异性数据的多级工作流程方法公开(公告)号：US09057797B2
公开(公告)日：2015-06-16
申请号：US13874275
申请日：2013-04-30
发明人： Dzevat Omeragic , Keli Sun , Qiming Li , Tarek M. Habashy
摘要： A multi-step electromagnetic inversion method is provided for determining formation resistivity, anisotropy and dip. An electromagnetic logging tool is used to obtain non-directional, anisotropy, and directional (including symmetrized and anti-symmetrized resistivity measurements) in a formation using an electromagnetic logging tool. Bed boundaries of the formation are first identified. A horizontal resistivity profile is obtained using the non-directional resistivity measurements, and a vertical resistivity profile is obtained using the anisotropy resistivity measurements. The vertical resistivity profile is improved using the directional resistivity measurements, while dip values are also obtained via an inversion using the directional resistivity measurements. Then, an inversion for each of vertical resistivity, horizontal resistivity, dip values, and bed boundaries is performed using all of the non-directional, anisotropy, and directional resistivity measurements to obtain a formation model.
摘要翻译： 提供了一种用于确定地层电阻率，各向异性和倾角的多步电磁反演方法。 电磁测井工具用于使用电磁测井仪在地层中获得无方向性，各向异性和方向性（包括对称和抗对称电阻率测量）。 首先确定地层的床边界。 使用非方向电阻率测量获得水平电阻率分布，并且使用各向异性电阻率测量获得垂直电阻率分布。 使用方向电阻率测量提高了垂直电阻率分布，而通过使用方向电阻率测量的反演也获得了倾角值。 然后，使用所有非方向性，各向异性和方向电阻率测量来执行垂直电阻率，水平电阻率，浸渍值和床边界中的每一个的倒置以获得形成模型。
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公开(公告)号：US11788402B2
公开(公告)日：2023-10-17
申请号：US16923559
申请日：2020-07-08
IPC分类号： E21B47/003 , E21B49/08 , G01V3/38 , G01V3/34 , E21B47/13
CPC分类号： E21B47/003 , E21B47/13 , E21B49/08 , G01V3/34 , G01V3/38
摘要： The subject disclosure relates to a method for determining a volume fraction of water and water salinity in organic shales and other geological formations. The method includes a knowledge of complex formation permittivity at several frequencies and minimizes or excludes dependency on external parameters, such as the permittivity of the formation mineral phase.
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28.发明授权公开(公告)号：US10914861B2
公开(公告)日：2021-02-09
申请号：US15027007
申请日：2014-10-06
发明人： Dzevat Omeragic , Hui Xie , Tarek M. Habashy , Sushil Shetty
摘要： Systems and methods are disclosed for well logging using radiation detection and/or emission of gamma rays. A method according to the disclosure includes collecting data from the subterranean formation using a nuclear density tool, wherein the nuclear density tool is configured to collect data to form an azimuthal image. The method further includes characterizing a section of the subterranean formation comprising data and images acquired in a high angle wellbore section, a horizontal wellbore section, or a combination thereof. The method additionally includes performing a parallel inversion using apparent densities and volumetric photoelectric factor images to build a formation model, wherein the parallel inversion comprises a high angle workflow that models high angle wellbore sections and a horizontal workflow that models horizontal wellbore sections.
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公开(公告)号：US10557809B2
公开(公告)日：2020-02-11
申请号：US15590963
申请日：2017-05-09
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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公开(公告)号：US10527753B2
公开(公告)日：2020-01-07
申请号：US15026533
申请日：2014-10-03
摘要： Systems, methods, and apparatuses to generate a formation model are described. In one aspect, a logging system includes a transmitter to produce an electromagnetic field in a borehole, a receiver in the borehole to detect a first field signal induced by the electromagnetic field at a first depth of investigation and a second field signal induced by the electromagnetic field at a second depth of investigation, and a modeling unit to perform a first one-dimensional inversion on the first field signal and a second one-dimensional inversion on the second field signal, build a two-dimensional model from the first one-dimensional inversion and the second one-dimensional inversion, and perform a two-dimensional inversion on the two-dimensional model to generate a two-dimensional formation model.
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