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公开(公告)号：US09664665B2
公开(公告)日：2017-05-30
申请号：US14574351
申请日：2014-12-17
Applicant: Schlumberger Technology Corporation
Inventor： Adriaan Gisolf , Youxiang Zuo , Ronald E. G. van Hal , Jeffrey Crank
CPC classification number: G01N33/2823 , E21B49/087 , E21B49/10 , E21B2049/085 , G01N30/88 , G01N33/28 , G01N2030/8854
Abstract: Methods are provided for reservoir analysis. In some embodiments, a reservoir may be analyzed by obtaining abundance ratios at a first measurement station and a second measurement station and determining an abundance ratio trend. Abundance ratios at a third measurement station may be obtained and plotted versus depth with the previously obtained abundance ratios. A change in the abundance ratio trend may be identified and result in further investigation of the reservoir. If the abundance ratio is unchanged, additional abundance ratios may be obtained and plotted versus depth to further evaluate the abundance ratio trend. Methods for reservoir analysis using fluid predictions with and without offset well information are also provided.
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公开(公告)号：US09606260B2
公开(公告)日：2017-03-28
申请号：US13865839
申请日：2013-04-18
Applicant: Schlumberger Technology Corporation
Inventor： Youxiang Zuo , Adriaan Gisolf , Anthony Smits , Oliver C. Mullins
CPC classification number: G01V8/10 , E21B49/088 , G01N33/2823
Abstract: A method for monitoring oil based mud filtrate contamination is provided including steps of analytically dividing a fluid stream into two parts, determining a gas/oil ratio for a native fluid determining an apparent gas/oil ratio for the contaminated fluid and determining on a volume fraction, an oil based contamination level based upon the gas/oil ratio for the native fluid and the apparent gas/oil ratio for the contaminated fluid.
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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
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 ）。
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公开(公告)号：US20160091389A1
公开(公告)日：2016-03-31
申请号：US14861925
申请日：2015-09-22
Applicant: Schlumberger Technology Corporation
Inventor： Youxiang Zuo , Vinay K. Mishra , Hadrien Dumont , Adriaan Gisolf , Christopher Babin , Cosan Ayan , Beatriz E. Barbosa
CPC classification number: G01M3/3272 , E21B49/082 , E21B49/10
Abstract: The present disclosure relates to systems and methods for determining an integrity of a sample chamber. In certain embodiments, formation fluid is collected from a subterranean formation within a sample chamber disposed in a downhole tool, the downhole tool is withdrawn from a wellbore, an estimated surface pressure of the collected formation fluid is determined, the estimated surface pressure of the collected formation fluid is compared with an actual surface pressure of the sample chamber, and the integrity of the sample chamber is determined based on the comparison of the estimated surface pressure and the actual surface pressure.
Abstract translation: 本公开涉及用于确定样品室的完整性的系统和方法。 在某些实施例中，地层流体从设置在井下工具中的样品室内的地层收集，井下工具从井筒中取出，确定所收集的地层流体的估计表面压力， 将地层流体与样品室的实际表面压力进行比较，并且基于估计的表面压力和实际表面压力的比较来确定样品室的完整性。
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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。
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Patent Agency Ranking
公开(公告)号：US20150308261A1
公开(公告)日：2015-10-29
申请号：US14263893
申请日：2014-04-28
Applicant: Schlumberger Technology Corporation
Inventor： Youxiang Zuo , Adriaan Gisolf , Kai Hsu , Li Chen , Beatriz Barbosa
Abstract: A downhole tool is operated to pump fluid from a subterranean formation while obtaining fluid property measurements pertaining to the pumped fluid. The downhole tool is in communication with surface equipment located at the wellsite surface. The downhole tool and/or surface equipment is operated to estimate a first linear, exponential, logarithmic, and/or other relationship between compressibility and pressure of the pumped fluid based on the fluid property measurements. The downhole tool and/or surface equipment may also be operated to estimate a second linear, exponential, logarithmic, and/or other relationship between formation volume factor and pressure of the pumped fluid based on the first relationship. The downhole tool and/or surface equipment may also be operated to measure and correct optical density of the pumped fluid based on the first relationship.
Abstract translation: 操作井下工具以从地层中泵送流体，同时获得与泵送流体相关的流体性质测量。 井下工具与位于井场表面的地面设备连通。 操作井下工具和/或表面设备以基于流体性质测量来估计泵送流体的压缩性和压力之间的第一线性，指数，对数和/或其他关系。 井下工具和/或表面设备也可以被操作以基于第一关系来估计地层容积因子和泵送流体的压力之间的第二线性，指数，对数和/或其他关系。 井下工具和/或表面设备也可以被操作以基于第一关系来测量和校正泵送流体的光密度。
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公开(公告)号：US20150226059A1
公开(公告)日：2015-08-13
申请号：US14177744
申请日：2014-02-11
Applicant: Schlumberger Technology Corporation
Inventor： Youxiang Zuo , Adriaan Gisolf , Li Chen
CPC classification number: G01N33/2841 , E21B41/005 , E21B49/10 , G01N33/2835
Abstract: Methods and apparatus for operating a downhole tool within a wellbore adjacent a subterranean formation to pump contaminated fluid from the formation into the downhole tool while measuring first and second fluid properties of the contaminated fluid. The contaminated fluid comprises native fluid from the formation and a contaminant. The downhole tool is in communication with surface equipment located at surface. The downhole tool and/or surface equipment is operated to estimate a formation volume factor of the contaminated fluid based on at least one of the first and second fluid properties of the contaminated fluid. A linear relationship is then estimated between the first fluid property and a function that relates the first fluid property to the second fluid property and the estimated formation volume factor of the contaminated fluid. A fluid property of the contaminant is then estimated based on the estimated linear relationship.
Abstract translation: 在邻近地下地层的井筒内操作井下工具的方法和装置，以将污染的流体从地层泵送到井下工具中，同时测量污染流体的第一和第二流体性质。 受污染的流体包括来自地层的天然流体和污染物。 井下工具与位于表面的地面设备连通。 操作井下工具和/或表面设备以基于受污染流体的第一和第二流体性质中的至少一个来估计污染流体的地层容积系数。 然后在第一流体属性和将第一流体属性与第二流体性质和估计的污染流体的形成体积因子相关联的函数之间估计线性关系。 然后基于估计的线性关系来估计污染物的流体性质。
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公开(公告)号：US20150211361A1
公开(公告)日：2015-07-30
申请号：US14164991
申请日：2014-01-27
Applicant: Schlumberger Technology Corporation
Inventor： Adriaan Gisolf , Youxiang Zuo , Ryan Sangjun Lee , Jonathan Leonard
IPC: E21B49/08
CPC classification number: E21B49/08 , E21B2049/085
Abstract: Implementations of the present disclosure relate to apparatuses, systems, and methods for determining when a well cleanup process has established developed flow and then extrapolating out modeled fluid parameter values to determine parameter values for a formation fluid. The model fluid parameter values may be modeled using a power law function having a specified exponent value.
Abstract translation: 本公开的实施方式涉及用于确定井清理过程何时已建立开发流程，然后外推模拟流体参数值以确定地层流体的参数值的装置，系统和方法。 模型流体参数值可以使用具有指定指数值的幂律函数来建模。
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公开(公告)号：US20140202237A1
公开(公告)日：2014-07-24
申请号：US13745399
申请日：2013-01-18
Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION
Inventor： Andrew E. Pomerantz , Youxiang Zuo , Denise E. Freed , Oliver C. Mullins
IPC: E21B49/08
CPC classification number: E21B49/088
Abstract: A method of evaluating a gradient of a composition of materials in a petroleum reservoir, comprising sampling fluids from a well in the petroleum reservoir in a logging operation, measuring an amount of contamination in the sampled fluids, measuring the composition of the sampling fluids using a downhole fluid analysis, measuring an asphaltene content of the sampling fluids at different depths; and fitting the asphaltene content of the sampling fluids at the different depths to a simplified equation of state during the logging operation to determine the gradient of the composition of the materials in the petroleum reservoir.
Abstract translation: 一种评估石油储层中材料组成的梯度的方法，包括在测井操作中从石油储层中的井中取样流体，测量采样流体中的污染物的量，使用 井下流体分析，测量不同深度采样液的沥青质含量; 并将采样流体的不同深度的沥青质含量在测井操作期间拟合为简化的状态方程，以确定石油储层中材料组成的梯度。
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公开(公告)号：US11230924B2
公开(公告)日：2022-01-25
申请号：US15837612
申请日：2017-12-11
Applicant: Schlumberger Technology Corporation
Inventor： Julian Pop , Cosan Ayan , Adriaan Gisolf , Juan Miguel La Rotta Marin , Hua Yu , Lei Jiang , Youxiang Zuo
Abstract: Apparatus and methods for obtaining initial settings of station-specific parameters descriptive of wellbore/formation properties specific to downhole pressure test stations, and obtaining initial settings of station-shared parameters descriptive of petrophysical properties of petrophysically unique formation zones. A pressure transient model of the zones is obtained by regression utilizing the pressure data of each station and the initial settings of the station-specific and station-shared parameters. The regression analytically determines a model value of at least one of the station-specific parameters and the station-shared parameters.
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