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1. 发明授权

US11092714B2 Fluid substitution method for T2 distributions of reservoir rocks 有权
公开(公告)号：US11092714B2
公开(公告)日：2021-08-17
申请号：US16198117
申请日：2018-11-21
申请人： Baoyan Li , Hasan Kesserwan , Guodong Jin , Julio Roberto Arro , Alberto Mezzatesta
发明人： Baoyan Li , Hasan Kesserwan , Guodong Jin , Julio Roberto Arro , Alberto Mezzatesta
IPC分类号： G01V3/32 , G01V3/38 , E21B47/00 , E21B41/00
摘要： A method for transforming an earth formation and/or production equipment based on correcting nuclear magnetic resonance (NMR) data to account for partially water-saturated rock includes: receiving NMR logging data having echo-trains for an earth formation; inverting the echo-trains to provide transverse relaxation time constant (T2) distributions for various components of fluid in the earth formation; substituting a T2 distribution for mobile water of fully water-saturated rock for a T2 distribution for mobile water of partially water-saturated rock based on values of the mobile water T2 distribution of partially water-saturated rock and a total porosity constraint; summing the T2 distribution for mobile water of fully water-saturated rock and a T2 distribution for an immobile water component of the fluid to provide a T2, distribution for fully water-saturated rock; and transforming the earth formation and/or the production equipment based on a parameter derived from the T2 distribution for fully water-saturated rock.

2. 发明授权

US11231474B2 Inversion of NMR echo trains using a supplementary nonlinear equality constraint 有权
公开(公告)号：US11231474B2
公开(公告)日：2022-01-25
申请号：US16839859
申请日：2020-04-03
申请人： Baoyan Li , Julio Roberto Arro , Holger Thern , Hasan Kesserwan , Guodong Jin
发明人： Baoyan Li , Julio Roberto Arro , Holger Thern , Hasan Kesserwan , Guodong Jin
IPC分类号： G01R33/50 , G01V3/32 , G01R33/56 , G01R33/561
摘要： A method of estimating properties of a resource bearing formation includes receiving, by a processor, a measured echo train generated by a nuclear magnetic resonance (NMR) measurement device deployed in a region of interest, and a measured noise of the measured echo train, and calculating a T2 distribution subject to a nonlinear equality constraint, the nonlinear equality constraint dependent on the measured noise and a fitting error between the measured echo train and a modeled echo train. Calculating the T2 distribution includes estimating a solution for the T2 distribution that is closest to satisfying the nonlinear equality constraint.

3. 发明申请

US20200319282A1 INVERSION OF NMR ECHO TRAINS USING A SUPPLEMENTARY NONLINEAR EQUALITY CONSTRAINT 审中-公开
公开(公告)号：US20200319282A1
公开(公告)日：2020-10-08
申请号：US16839859
申请日：2020-04-03
申请人： Baoyan Li , Julio Roberto Arro , Holger Thern , Hasan Kesserwan , Guodong Jin
发明人： Baoyan Li , Julio Roberto Arro , Holger Thern , Hasan Kesserwan , Guodong Jin
IPC分类号： G01R33/50 , G01R33/561 , G01R33/56 , G01V3/32
摘要： A method of estimating properties of a resource bearing formation includes receiving, by a processor, a measured echo train generated by a nuclear magnetic resonance (NMR) measurement device deployed in a region of interest, and a measured noise of the measured echo train, and calculating a T2 distribution subject to a nonlinear equality constraint, the nonlinear equality constraint dependent on the measured noise and a fitting error between the measured echo train and a modeled echo train. Calculating the T2 distribution includes estimating a solution for the T2 distribution that is closest to satisfying the nonlinear equality constraint.

4. 发明授权

US11493461B1 Wettability estimation using T2 distributions of water in wetting and non-wetting phases 有权
公开(公告)号：US11493461B1
公开(公告)日：2022-11-08
申请号：US17360009
申请日：2021-06-28
申请人： Baoyan Li , Hasan Kesserwan
发明人： Baoyan Li , Hasan Kesserwan
IPC分类号： G01N24/08 , G01N13/00 , G01R33/50
摘要： A method of estimating a wettability characteristic of a rock material includes acquiring a plurality of T2 distributions based on nuclear magnetic resonance (NMR) measurements of a rock material under a plurality of fluid saturated rock conditions, constructing a measurement matrix based on the plurality of T2 distributions, and performing non-negative factorization of the measurement matrix to determine feature components. The method also includes reconstructing the plurality of T2 distributions based on the feature components, and extracting a first set of T2 distributions associated with mobile water under a wetting condition and a second set of T2 distributions associated with mobile water under a non-wetting condition based on the feature components, and calculating a wettability index (WI) based on the first extracted set of T2 distributions and the second extracted set of T2 distributions.

5. 发明申请

US20140088878A1 ISOTHERM AND GAS-IN-PLACE ESTIMATION CONSIDERING CAPILLARY CONDENSATION IN SHALE GAS RESERVOIR 审中-公开
标题翻译：考虑油气储层中毛细管冷凝的同位素和气体估计
公开(公告)号：US20140088878A1
公开(公告)日：2014-03-27
申请号：US13628551
申请日：2012-09-27
申请人： Jinhong Chen , Guodong Jin , Baoyan Li , Daniel T. Georgi
发明人： Jinhong Chen , Guodong Jin , Baoyan Li , Daniel T. Georgi
IPC分类号： G06F19/00
CPC分类号： E21B47/00 , E21B49/00 , G01V11/00 , G01V2210/624
摘要： A method for estimating an amount of hydrocarbon in an earth formation having a kerogen includes determining a pore size in the kerogen at or below which capillary condensation will occur, the determining being performed using a processor. The method also includes calculating an amount of hydrocarbon liquid condensate in pores of the kerogen based on capillary condensation using the determined pore size, the calculating being performed using the processor. The method further includes estimating the amount of hydrocarbon in the earth formation using the calculated amount of hydrocarbon liquid condensate, the estimating being performed using the processor.
摘要翻译：用于估计具有干酪根的地层中的烃的量的方法包括确定在发生毛细管凝结的等于或低于的干酪根中的孔径，该确定使用处理器进行。该方法还包括使用确定的孔径计算基于毛细管冷凝的干酪根孔隙中的烃液体冷凝物的量，使用处理器进行计算。该方法还包括使用计算量的烃液体冷凝物估计地层中的烃的量，使用处理器进行估计。

6. 发明授权

US08307704B2 Apparatus and methods for gas volume retained coring 有权
标题翻译：气体体积保留取心装置及方法
公开(公告)号：US08307704B2
公开(公告)日：2012-11-13
申请号：US12641692
申请日：2009-12-18
申请人： Daniel T. Georgi , Larry M. Hall , Baoyan Li
发明人： Daniel T. Georgi , Larry M. Hall , Baoyan Li
IPC分类号： E21B49/02
CPC分类号： G01V9/00 , E21B25/00 , E21B47/10 , G01N33/24
摘要： An apparatus for use in a wellbore may include a tool having a first section configured to receive a core and a second section configured to collect a gas escaping from the core. The apparatus may also include a sensor associated to provide signals relating to a property of gas. In one aspect, the second section may be removable and may be pressurized. The apparatus may also include a recorder that records data representative of the signals received from the sensor. The recorder may record data while the tool is retrieved from the wellbore. A method for estimating a parameter of interest of a formation includes retrieving a core from the formation, collecting a gas escaping from the core as the core is retrieved to the surface, and measuring at least one property of gas while the core is retrieved to the surface.
摘要翻译：用于井眼的装置可以包括具有构造成容纳芯的第一部分和被配置为收集从芯排出的气体的第二部分的工具。该装置还可以包括与提供与气体性质有关的信号的传感器。在一个方面，第二部分可以是可移除的并且可以被加压。该装置还可以包括记录表示从传感器接收的信号的数据的记录器。记录仪可以在从井眼检索工具时记录数据。一种用于估计地层感兴趣的参数的方法包括：从地层取回岩心;当核心被取回到地面时收集从核心排出的气体;以及在核心被取回到地面时测量气体的至少一个属性表面。

7. 发明授权

US11566517B2 Quantifying cement bonding quality of cased-hole wells using a quality index based on frequency spectra 有权
公开(公告)号：US11566517B2
公开(公告)日：2023-01-31
申请号：US17398287
申请日：2021-08-10
申请人： Baoyan Li , Elan Yogeswaren , Marc Ramirez
发明人： Baoyan Li , Elan Yogeswaren , Marc Ramirez
IPC分类号： E21B47/005 , E21B47/16 , E21B43/10
摘要： A method for characterizing a bond between a first tubular disposed in a borehole and a structure outside of the tubular, the method includes transmitting a signal into and through the first tubular using a signal transmitter conveyed through the borehole and detecting a return signal using a return signal receiver conveyed through the borehole to provide return signal information in a time domain. The method also includes transforming the return signal information in the time domain to return signal information in a frequency domain using a transform and determining a difference between the return signal information in the frequency domain and reference frequency domain return signal information. The method further includes characterizing the bond of the first tubular to the structure outside of the first tubular using the difference to provide a characterization of the bond.

8. 发明申请

US20120048568A1 UPGOING DRAINHOLES FOR REDUCING LIQUID-LOADING IN GAS WELLS 有权
标题翻译：用于减少气体中的液体加载的排水孔
公开(公告)号：US20120048568A1
公开(公告)日：2012-03-01
申请号：US13218094
申请日：2011-08-25
申请人： Baoyan Li , Harald Grimmer , Volker Krueger
发明人： Baoyan Li , Harald Grimmer , Volker Krueger
IPC分类号： E21B43/00 , E03B3/11
CPC分类号： E21B43/121 , E21B43/305
摘要： Gas from a tight gas formation may be produced using a drain hole having a juncture to a main wellbore and a terminal end at a depth higher than the juncture. The terminal end may be positioned in the tight gas formation.
摘要翻译：可以使用具有到主井眼的接合处的排水孔和比接合处更深的深度的末端来产生来自致密气体形成的气体。终端可以位于紧密气体形成中。

9. 发明申请

US20220178804A1 METHODOLOGY FOR ANNULAR SOLIDS AND FLUIDS DIFFERENTIATION THROUGH INTEGRATION OF SHEAR AND FLEXURAL ULTRASONIC ACOUSTIC WAVES 有权
公开(公告)号：US20220178804A1
公开(公告)日：2022-06-09
申请号：US17540457
申请日：2021-12-02
申请人： Sebastien Kamgang , John F. Priest , Douglas Patterson , Joseph Olaiya , Baoyan Li , Muhammad Abrar Manzar
发明人： Sebastien Kamgang , John F. Priest , Douglas Patterson , Joseph Olaiya , Baoyan Li , Muhammad Abrar Manzar
IPC分类号： G01N9/36 , E21B47/005
摘要： Methods for determining properties of a media on an exterior of a casing in downhole systems are described. The methods include conveying a logging tool through a casing in a downhole formation, stimulating shear waves and flexural waves in the casing, obtaining a shear attenuation rate measurement and a flexural attenuation rate measurement within the casing responsive to the media on the exterior of the casing, comparing the measured shear attenuation rate and the measured flexural attenuation rate against a plurality of respective division boundary values, and determining one or more properties of the media on the exterior of the casing based on the comparison of the measured shear attenuation rate and the measured flexural attenuation rate against the plurality of respective interfaces.

10. 发明授权

US07774141B2 Methods for the identification of bubble point pressure 有权
标题翻译：泡点压力识别方法
公开(公告)号：US07774141B2
公开(公告)日：2010-08-10
申请号：US12016052
申请日：2008-01-17
申请人： Baoyan Li
发明人： Baoyan Li
IPC分类号： G01V1/40
CPC分类号： G01N33/24
摘要： A method includes acquiring formation fluid sample information including pressure, volume, and temperature. Monotonic formation fluid information is extracted from the formation fluid sample information and a pressure, volume, temperature information set is constructed. A curvature sequence is estimated using a first partial derivative and a second partial derivative of pressure with respect to volume. A first maxima is estimated from the curvature sequence, and the formation fluid property is estimated using the estimated first maxima. A method may include a volume acceleration sequence estimated using a first partial derivative and a second partial derivative of the volume with respect to pressure. A first maxima is estimated from the volume acceleration sequence, and the formation fluid property is estimated at least in part by using the estimated first maxima. A method may include establishing a first linear regression model and predicting a confidence interval.
摘要翻译：一种方法包括获取包括压力，体积和温度的地层流体样品信息。从地层流体样本信息中提取单调地层流体信息，构建压力，体积，温度信息集。使用相对于体积的压力的第一偏导数和第二偏导数来估计曲率序列。从曲率序列估计第一最大值，并且使用估计的第一最大值来估计地层流体性质。方法可以包括使用相对于压力的体积的第一偏导数和第二偏导数估计的体积加速度序列。根据体积加速度序列估计第一最大值，并且至少部分地通过使用估计的第一最大值估计地层流体性质。方法可以包括建立第一线性回归模型并预测置信区间。

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