公开(公告)号：US10073042B2

公开(公告)日：2018-09-11

申请号：US14836965

申请日：2015-08-27

Applicant: Schlumberger Technology Corporation

Inventor： Kang Wang ,  Younes Jalali ,  Yoko Morita ,  Kamal Kader ,  Yutaka Imasato

IPC: G01N21/85 ,  G01N33/28 ,  G01N21/94

CPC classification number: G01N21/8507 ,  G01N21/94 ,  G01N33/2823 ,  G01N2021/855

Abstract: A method and apparatus are provided for performing in-situ fluid analysis. The method involves obtaining a first and second mixture of uncontaminated oil and a contaminant, wherein a percentage of the uncontaminated oil in the first mixture is different from the second mixture. The method may further include establishing a rate of change of a physical property of the first mixture and the second mixture to estimate a mass density of the uncontaminated oil and a mass density of the contaminant. In addition, the method may include obtaining a volume fraction of the uncontaminated oil for the first mixture and second mixture using the mass density of the uncontaminated oil and the mass density of the contaminant. An optical device may be used to determine a composition of the first and second mixtures in order to calculate a composition of the contaminant and a composition of the uncontaminated oil.

公开(公告)号：US20180223657A1

公开(公告)日：2018-08-09

申请号：US15428534

申请日：2017-02-09

Applicant: Schlumberger Technology Corporation

Inventor： Youxiang Zuo ,  Shu Pan ,  Kang Wang ,  Oliver Mullins ,  Ashers Partouche

IPC: E21B49/08 ,  E21B47/06 ,  E21B49/10 ,  G01V99/00

CPC classification number: E21B49/082 ,  E21B2049/085 ,  G01V99/005 ,  G01V2210/624 ,  G01V2210/663

Abstract: A method includes placing a downhole acquisition tool in a wellbore in a geological formation within a hydrocarbon reservoir. The wellbore or the geological formation, or both, contain a reservoir fluid. The method also includes performing downhole fluid analysis using the downhole acquisition tool in the wellbore to determine at least one measurement associated with the reservoir fluid and using a processor to: estimate at least one fluid component property by using an equation of state based at least in part on at least one measurement associated with the reservoir fluid and simulate a diffusion process using a diffusive model that takes into account the at least one estimated fluid property. The diffusive model accounts for gravitational diffusion of at least one or more components in the reservoir fluid. The method also includes using the processor to estimate one or more reservoir fluid geodynamic processes based at least in part on the at least one fluid property; compare the estimated one or more reservoir fluid geodynamic processes with the at least one measurement associated with the reservoir fluid; and output one or more reservoir fluid geodynamic processes corresponding to the at least one measurement associated with the reservoir fluid.

公开(公告)号：US20170016321A1

公开(公告)日：2017-01-19

申请号：US15279828

申请日：2016-09-29

Applicant: Schlumberger Technology Corporation

Inventor： Shu Pan ,  Youxiang Zuo ,  Yi Chen ,  Kang Wang ,  Oliver C. Mullins

IPC: E21B49/10

CPC classification number: E21B49/10 ,  E21B43/00 ,  E21B49/088 ,  E21B2049/085 ,  G01V7/00 ,  G01V11/00 ,  G01V2210/6165 ,  G01V2210/644 ,  G01V2210/663

Abstract: A downhole tool, surface equipment, and/or remote equipment are utilized to obtain data associated with a subterranean hydrocarbon reservoir, fluid contained therein, and/or fluid obtained therefrom. At least one condition indicating that a density inversion exists in the fluid contained in the reservoir is identified from the data. Molecular sizes of fluid components contained within the reservoir are estimated from the data. A model of the density inversion is generated based on the data and molecular sizes. The density inversion model is utilized to estimate the density inversion amount and depth and time elapsed since the density inversion began to form within the reservoir. A model of a gravity-induced current of the density inversion is generated based on the data and the density inversion amount, depth, and elapsed time.

Abstract translation: 使用井下工具，地面设备和/或远程设备来获得与地下烃储存器，其中容纳的流体和/或从其获得的流体相关联的数据。 从数据中识别至少一个条件，指示存储在容器中的流体中的密度反演存在。 从数据中估计储存器中所含的流体成分的分子大小。 基于数据和分子大小生成密度反演的模型。 密度反演模型用于估计密度倒置量，深度和从储层内形成密度反演以来经过的时间。 基于数据和密度倒置量，深度和经过时间生成密度反演的重力感应电流的模型。

公开(公告)号：US20160186559A1

公开(公告)日：2016-06-30

申请号：US14975700

申请日：2015-12-18

Applicant: Schlumberger Technology Corporation

Inventor： Kang Wang ,  Ryan Sangjun Lee ,  Youxiang Zuo ,  Sai Venkatakrishnan ,  XiaoWei Sheng ,  Suchart Chokthanyawat ,  Lei Jiang ,  Lixiang Sun

IPC: E21B49/08

CPC classification number: E21B49/10 ,  E21B2049/085

Abstract: Disclosed are methods and apparatus obtaining in-situ, real-time data associated with a sample stream obtained by a downhole sampling apparatus disposed in a borehole that extends into a subterranean formation. The obtained data includes multiple fluid properties of the sample stream. The sample stream includes native formation fluid from the subterranean formation and filtrate contamination resulting from formation of the borehole in the subterranean formation. The obtained data is filtered to remove outliers. The filtered data is fit to each of a plurality of models each characterizing a corresponding one of the fluid properties as a function of a pumpout volume or time of the sample stream. based on the fitted data, a start of a developed flow regime of the native formation fluid within the subterranean formation surrounding the borehole is identified.

Abstract translation: 公开了获得与通过设置在延伸到地层中的钻孔中的井下采样装置获得的样品流相关联的原位实时数据的方法和装置。 获得的数据包括样品流的多个流体性质。 样品流包括来自地层的天然地层流体和由地层中的钻孔形成引起的滤液污染物。 所获得的数据被过滤以去除异常值。 滤波后的数据适合于多个模型中的每个模型，每个模型表征作为抽取流体的抽出体积或时间的函数的相应的一个流体特性。 基于拟合的数据，确定围绕钻孔的地下地层内的天然地层流体的开发流动状态的开始。

公开(公告)号：US11269113B2

公开(公告)日：2022-03-08

申请号：US16318127

申请日：2016-07-22

Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION

Inventor： Armin Kauerauf ,  Oliver C. Mullins ,  Thomas Hantschel ,  Kang Wang ,  Adrian Kleine ,  Youxiang Zuo

IPC: G06G7/48 ,  G01V99/00 ,  G06F30/23 ,  G06F111/10

Abstract: A method, apparatus, and program product model address a modeling gap existing between basin and reservoir modeling through the use of a Reservoir Fluid Geodynamics (RFG) model usable for simulations conducted at a relatively fine spatial resolution and over a geological timescale.

公开(公告)号：US11188689B2

公开(公告)日：2021-11-30

申请号：US15196128

申请日：2016-06-29

Applicant: Schlumberger Technology Corporation

Inventor： Youxiang Zuo ,  Shu Pan ,  Yi Chen ,  Kang Wang ,  Oliver C. Mullins

IPC: G06G7/48 ,  G06F30/20 ,  E21B49/08 ,  G06F111/10

Abstract: A method includes placing a downhole acquisition tool in a wellbore in a geological formation containing a reservoir fluid. The method includes performing downhole fluid analysis using the downhole acquisition tool to determine at least one measurement of the reservoir fluid. The method includes using a processor to estimate at least one fluid component property by using an equation of state based at least in part on the at least one measurement of the reservoir fluid and to simulate a diffusion process using a diffusion model that takes into account the at least one estimated fluid property to generate a composition path. The method includes using a processor to estimate one or more phase envelopes based in part on the at least one fluid property and compare the one or more phase envelopes with the composition path. The method includes outputting a visualization identify potential areas of asphaltene instability.

公开(公告)号：US10100638B2

公开(公告)日：2018-10-16

申请号：US14945800

申请日：2015-11-19

Applicant: Schlumberger Technology Corporation

Inventor： Kang Wang ,  Youxiang Zuo ,  Yi Chen ,  Oliver C. Mullins

IPC: G01V1/40 ,  G06G7/48 ,  E21B49/08 ,  G01V99/00 ,  E21B49/10

Abstract: The present disclosure relates to a method for characterizing a hydrocarbon reservoir of interest traversed by at least one wellbore that includes (a) using a numerical model to simulate over geological time a non-equilibrium concentration of an asphaltene component as a function of location within the wellbore, (b) analyzing fluid samples acquired from at least one wellbore that traverses the reservoir of interest to measure concentration of the asphaltene component as a function of location within the wellbore, (c) comparing the non-equilibrium concentration of the asphaltene component as a function of location within the wellbore resulting from the simulation of (a) to the concentration of the asphaltene component as a function of location within the wellbore as measured in (b), and characterizing the reservoir of interest based upon the comparing of (c).

公开(公告)号：US20160146004A1

公开(公告)日：2016-05-26

申请号：US14945800

申请日：2015-11-19

Applicant: Schlumberger Technology Corporation

Inventor： Kang Wang ,  Youxiang Zuo ,  Yi Chen ,  Oliver C. Mullins

IPC: E21B49/08 ,  G01V99/00

CPC classification number: E21B49/087 ,  E21B49/088 ,  E21B49/10 ,  E21B2049/085 ,  G01V99/005

Abstract: The present disclosure relates to a method for characterizing a hydrocarbon reservoir of interest traversed by at least one wellbore that includes (a) using a numerical model to simulate over geological time a non-equilibrium concentration of an asphaltene component as a function of location within the wellbore, (b) analyzing fluid samples acquired from at least one wellbore that traverses the reservoir of interest to measure concentration of the asphaltene component as a function of location within the wellbore, (c) comparing the non-equilibrium concentration of the asphaltene component as a function of location within the wellbore resulting from the simulation of (a) to the concentration of the asphaltene component as a function of location within the wellbore as measured in (b), and characterizing the reservoir of interest based upon the comparing of (c).

Abstract translation: 本公开内容涉及一种用于表征由至少一个井眼穿过的有意义的烃储层的方法，其包括（a）使用数值模型来模拟地质时间作为沥青质组分的非平衡浓度作为在 （b）分析从至少一个井眼获取的流体样品，所述至少一个井眼穿过感兴趣的储层以测量作为井眼内部位置的函数的沥青质组分的浓度，（c）将沥青质组分的非平衡浓度作为 （a）根据（b）中测量的作为在井筒内的位置的函数的沥青质成分的浓度，并根据（c）的比较来表征感兴趣的储层，从而产生井筒内的位置的函数 ）。

公开(公告)号：US20160090836A1

公开(公告)日：2016-03-31

申请号：US14867262

申请日：2015-09-28

Applicant: Schlumberger Technology Corporation

Inventor： Kang Wang ,  Youxiang Zuo ,  Ryan Sangjun Lee ,  Adriaan Gisolf

IPC: E21B49/08

Abstract: A method includes operating a downhole acquisition tool in a wellbore in a geological formation. The wellbore or the geological formation, or both contains a fluid that includes a native reservoir fluid of the geological formation and a contaminant. The method also includes receiving a portion of the fluid into the downhole acquisition tool, measuring a fluid property of the portion of the fluid using the downhole acquisition tool, and using the processor to estimate a fluid property of the native reservoir fluid based on the measured fluid property of the portion of the fluid and a regression model that may predict an asymptote of a growth curve. The asymptote corresponds to the estimated fluid property of the native formation fluid, and the regression model includes a geometric fitting model other than a power-law model.

Abstract translation: 一种方法包括在地质层中的井眼中操作井下采集工具。 井眼或地质构造，或两者都含有包括地质构造的天然储层流体和污染物的流体。 该方法还包括将一部分流体接收到井下采集工具中，使用井下采集工具测量流体部分的流体特性，并且使用处理器基于所测量的来估计天然储层流体的流体性质 流体部分的流体特性和可以预测生长曲线的渐近线的回归模型。 渐近线对应于天然地层流体的估计流体性质，回归模型包括除幂律模型以外的几何拟合模型。

公开(公告)号：US20160061743A1

公开(公告)日：2016-03-03

申请号：US14836965

申请日：2015-08-27

Applicant: Schlumberger Technology Corporation

Inventor： Kang Wang ,  Younes Jalali ,  Yoko Morita ,  Kamal Kader ,  Yutaka Imasato

IPC: G01N21/85 ,  G01N33/28 ,  G01N21/94

CPC classification number: G01N21/8507 ,  G01N21/94 ,  G01N33/2823 ,  G01N2021/855

Abstract: A method and apparatus are provided for performing in-situ fluid analysis. The method involves obtaining a first and second mixture of uncontaminated oil and a contaminant, wherein a percentage of the uncontaminated oil in the first mixture is different from the second mixture. The method may further include establishing a rate of change of a physical property of the first mixture and the second mixture to estimate a mass density of the uncontaminated oil and a mass density of the contaminant. In addition, the method may include obtaining a volume fraction of the uncontaminated oil for the first mixture and second mixture using the mass density of the uncontaminated oil and the mass density of the contaminant. An optical device may be used to determine a composition of the first and second mixtures in order to calculate a composition of the contaminant and a composition of the uncontaminated oil.

Abstract translation: 提供了一种用于进行原位流体分析的方法和装置。 该方法包括获得未污染的油和污染物的第一和第二混合物，其中第一混合物中未污染的油的百分比不同于第二混合物。 该方法还可以包括确定第一混合物和第二混合物的物理性质的变化率，以估计未污染的油的质量密度和污染物的质量密度。 此外，该方法可以包括使用未污染的油的质量密度和污染物的质量密度来获得第一混合物和第二混合物的未污染的油的体积分数。 可以使用光学装置来确定第一和第二混合物的组成，以便计算污染物的组成和未污染的油的组成。