公开(公告)号：US07464582B2

公开(公告)日：2008-12-16

申请号：US11514228

申请日：2006-09-01

申请人： Patrick Egermann ,  Jean-Marc Lombard ,  Pierre Bretonnier

发明人： Patrick Egermann ,  Jean-Marc Lombard ,  Pierre Bretonnier

IPC分类号： G01N15/08

CPC分类号： E21B41/0064 ,  G01N15/0826 ,  G01N2015/0873 ,  Y02C10/14

摘要： To perform at least an evaluation of the inlet capillary pressure value of a porous medium. From a displacement experiment on a sample of the medium, a curve of the volume of saturating fluid expelled from the sample as a function of time is drawn. The differential pressure between the inlet face and at least one point located at a distance Li from the inlet face that is greater than the distance between the inlet face and the interface between the two fluids within the sample is then continuously measured as a function of time. At least one motive pressure gradient of the first fluid is thereafter calculated by means of distance Li and of the curve. Finally, at least one value of the inlet capillary pressure is determined by calculating the difference between the differential pressure and the value of the motive pressure gradient of the expelled fluid. The method can be applied notably to production of oil reservoirs for example.

摘要翻译： 至少进行多孔介质的入口毛细管压力值的评价。 从介质样品的置换实验中，绘出从样品中排出的饱和流体体积的曲线作为时间的函数。 入口面与位于入口面的距离为Li的至少一个点之间的压差大于样品内的两个流体之间的入口面与界面之间的距离，然后连续测量为时间的函数 。 此后，通过距离Li和曲线计算第一流体的至少一个运动压力梯度。 最后，通过计算差压和排出流体的运动压力梯度值之间的差来确定入口毛细管压力的至少一个值。 该方法可以用于例如油藏的生产。

公开(公告)号：US07092822B2

公开(公告)日：2006-08-15

申请号：US10514414

申请日：2003-05-14

申请人： Roland Lenormand ,  Patrick Egermann ,  Daniel Longeron

发明人： Roland Lenormand ,  Patrick Egermann ,  Daniel Longeron

IPC分类号： G01N15/08 ,  G01N33/24

CPC分类号： G01N13/02 ,  G01N15/08 ,  G01N15/0826 ,  G01N33/24 ,  G01N2015/0873

摘要： A method of evaluating the capillary pressure curve of rocks of an underground reservoir from measurements on rock debris or fragments such as cuttings from the reservoir, over the total saturation range of these rocks, within a short period and at a low cost, from these measurements is disclosed. The method comprises measuring the permeability k of the debris, measuring the capillary pressure curve Pc as a function of the saturation of these fragments initially saturated with a fluid (brine for example) by subjecting them to centrifugation, and parametrizing a capillary pressure curve Pc satisfying empirical relations depending on adjustable parameters, constrained to adjust to an asymptotic part of the capillary curve measured by centrifugation, and to the value of permeability k measured on the cuttings, so as to obtain the whole of the capillary pressure curve. Applications include hydrocarbon reservoir evaluation.

摘要翻译： 从这些测量结果可以看出，在这些岩石的总饱和度范围内，在这些岩石的总饱和度范围内，对来自储层的岩石碎屑或碎片，如岩石碎屑或碎屑的测量值，在短时间内和低成本下，对地下水库岩石的毛细管压力曲线进行评估。 被披露。 该方法包括测量碎片的渗透性k，测量毛细管压力曲线Pc作为最初饱和的流体（例如盐水）的这些碎片的饱和度的函数，通过使它们离心，并且对毛细管压力曲线Pc进行参数化，满足 经验关系取决于可调参数，受限于通过离心法测量的毛细管曲线的渐近部分，以及在切屑上测量的渗透率k值，以获得毛细管压力曲线的整体。 应用包括油气藏评估。

公开(公告)号：US06490531B1

公开(公告)日：2002-12-03

申请号：US09666568

申请日：2000-09-20

申请人： Elodie Goglin ,  Marc Fleury ,  Patrick Egermann

发明人： Elodie Goglin ,  Marc Fleury ,  Patrick Egermann

IPC分类号： G01N1508

CPC分类号： G01N33/241 ,  G01N15/082 ,  G01N15/0826 ,  G01N2015/0813 ,  G01N2015/0853

摘要： A method for faster determination of physical parameters (capillary pressure curves and relative permeabilities for example) of a geologic sample initially saturated with a first fluid placed in a vessel and subjected to centrifugation in the presence of a second fluid. The equilibrium saturations are determined before complete stabilization is reached through analytic modelling involving exponential functions, best adjusting to an effective production curve, for each speed stage. A database, obtained by means of various simulations, is used to obtain the relative permeability curves corresponding to the centrifuged sample. The method can be applied for measurement of petrophysical characteristics.

摘要翻译： 一种用于更快速地确定地质样品的物理参数（例如，毛细管压力曲线和相对渗透性）的方法，该地质样品最初被置于容器中的第一种流体饱和并在第二种流体存在下进行离心。 在通过涉及指数函数的分析建模达到完全稳定之前确定平衡饱和度，对于每个速度阶段，最佳调整到有效生产曲线。 使用通过各种模拟获得的数据库来获得对应于离心样品的相对渗透率曲线。 该方法可应用于岩石物理特性的测量。

公开(公告)号：US06453727B1

公开(公告)日：2002-09-24

申请号：US09883387

申请日：2001-06-19

申请人： Roland Lenormand ,  Patrick Egermann

发明人： Roland Lenormand ,  Patrick Egermann

IPC分类号： G01N1508

CPC分类号： G01N15/08

摘要： System of evaluating physical parameters such as the absolute permeability of porous rocks of a zone of an underground reservoir, from fragments taken from this zone, such as rock cuttings carried along by the drilling mud. Rock fragments (F) are immersed in a viscous fluid contained in a vessel (1). Pumping means (2, 3) first inject into vessel (1) a fluid under a pressure that increases with time, up to a determined pressure threshold, so as to compress the gas trapped in the pores of the rock. This injection stage is followed by a relaxation stage with injection stop. The pressure variation measured by detectors (7, 8) during these two successive stages is recorded by a computer (9). The evolution of the pressure during the injection process being modelled from initial values selected for the physical parameters of the fragments, the computer adjusts them iteratively so as to best get the modelled pressure curve to coincide with the pressure curve really measured. Application: petrophysical measurement.

摘要翻译： 评估物理参数的系统，例如地下储层区域的多孔岩石的绝对渗透率，来自该区域的碎片，例如钻井泥浆携带的岩屑。将碎片（F）浸入粘稠流体 容纳在容器（1）中。 抽吸装置（2,3）首先在随压力增加的压力下将容器（1）注入容器（1）中，直至达到确定的压力阈值，以压缩被捕获在岩石孔中的气体。 该注射阶段之后是放电阶段，注射停止。 在这两个连续阶段由检测器（7,8）测量的压力变化由计算机（9）记录。 注射过程中压力的演变由从碎片物理参数选择的初始值建模，计算机迭代调整，以最佳地得到模拟压力曲线，与实际测量的压力曲线一致。应用：岩石物理测量 。

公开(公告)号：US07082812B2

公开(公告)日：2006-08-01

申请号：US10809895

申请日：2004-03-26

申请人： Roland Lenormand ,  Patrick Egermann ,  Arnaud Templier

发明人： Roland Lenormand ,  Patrick Egermann ,  Arnaud Templier

IPC分类号： G01N15/08

CPC分类号： G01N15/0826 ,  G01N15/088 ,  G01N2015/0833 ,  G01N2015/0873

摘要： Method and device for evaluating, simultaneously and with a single equipment, physical parameters such as the absolute permeability and the porosity of fragments taken from a fragmented artificial or natural porous medium.The porosity of the fragments is measured by means of pressure tests using helium or any other gas, according to a protocol known in the art. Chamber (1) in which they are contained is communicated with a tank (11) of known volume containing helium at a known pressure. At pressure balance, the value of the solid volume can be deduced. The rock envelope volume and the mass in fragments are also measured. The porosity of the samples and the density of the rock are determined by combining these measurements. Their permeability is then measured by immersing them in a liquid and by communicating the chamber with a liquid initially at a predetermined pressure contained in an accumulator (9) so as to compress the gas trapped in the pores of the rock. The values of the physical parameters are determined by modelling the evolution of the volume of liquid injected in the chamber and by means of an iterative adjustment.Applications: petrophysical measurements from drill cuttings or crushed cores for example.

摘要翻译： 用于评估，同时和使用单个设备的物理参数，例如从碎片人造或天然多孔介质中获取的碎片的绝对渗透性和孔隙率。 根据本领域已知的方案，通过使用氦气或任何其它气体的压力测试来测量碎片的孔隙率。 其中容纳的室（1）与已知体积的具有已知压力的氦的容器（11）连通。 在压力平衡下，可以推导出固体体积的值。 还测量了岩石包络体积和碎片中的质量。 通过组合这些测量来确定样品的孔隙度和岩石的密度。 然后通过将它们浸入液体中并通过最初以包含在蓄液器（9）中的预定压力的液体与液体连通以便压缩被捕获在岩石孔隙中的气体来测量它们的渗透性。 物理参数的值通过模拟在室中注入的液体的体积的演变以及通过迭代调整来确定。 应用：例如钻屑或碎芯的岩石物理测量。

公开(公告)号：US07072809B2

公开(公告)日：2006-07-04

申请号：US10070537

申请日：2001-07-10

申请人： Patrick Egermann ,  Olga Vizika-Kavvadias ,  Laurent Dallet ,  François Kalaydjian ,  Christophe Requin

发明人： Patrick Egermann ,  Olga Vizika-Kavvadias ,  Laurent Dallet ,  François Kalaydjian ,  Christophe Requin

IPC分类号： G06F17/50 ,  G01N15/08

CPC分类号： G01N15/08 ,  G01N15/0826 ,  G01N33/24

摘要： A modelling method having application to petroleum production, soil cleaning, etc. for optimizing faster and more realistically the displacement conditions, in a porous medium wettable by a first fluid (water for example), of a mixture of fluids including this wetting fluid, another, non-wetting fluid (oil for example) and a gas. The method comprises experimental determination of the variation curve of the capillary pressure in the pores as a function of the saturation in the liquid phases, modelling the pores of the porous medium by means of a distribution of capillaries with a fractal distribution by considering, in the case of a three-phase water (wetting fluid)-oil-gas mixture for example, a stratification of the constituents in the pores, with the water in contact with the walls, the gas in the center and the oil forming an intercalary layer, determination, from this capillary pressure curve, of the fractal dimension values corresponding to a series of given values of the saturation in the liquid phase, modelling the hysteresis effects that modify the mobile saturations of the fluids effectively displaced in the sample, that vary during drainage and imbibition cycles.

摘要翻译： 一种应用于石油生产，土壤清洁等的建模方法，用于在由第一流体（例如水）润湿的多孔介质中更快更实际地优化位移条件，包括该润湿流体的流体混合物，另一种 ，非润湿流体（例如油）和气体。 该方法包括实验确定孔中的毛细管压力的变化曲线作为液相中的饱和度的函数，通过考虑在分形分布的毛细管分布来对多孔介质的孔进行建模，在 三相水（润湿流体） - 汽油混合物的情况，例如孔中组分的分层，水与壁接触，中心的气体和形成闰层的油， 从该毛细管压力曲线确定对应于液相中饱和度的一系列给定值的分形维数值，建模修改在排水期间变化的样品中有效置换的流体的移动饱和度的滞后效应 和吸入循环。

公开(公告)号：US20060047432A1

公开(公告)日：2006-03-02

申请号：US11212760

申请日：2005-08-29

申请人： Patrick Egermann ,  Roland Lenormand

发明人： Patrick Egermann ,  Roland Lenormand

IPC分类号： G01N15/08 ,  G01V1/40

CPC分类号： G01N33/241 ,  G01N15/082

摘要： A method with application for evaluation or production of a reservoir for determining multiphase flow parameters of a porous medium such as a rock, from the interpretation of displacement experiments. From an injection experiment on a rock sample, the saturation profiles are measured in different sections of the sample. The experimental data are then subjected to a preliminary interpretation by means of a numerical simulation code allowing production of simulated pressure profiles. These profiles are then combined with the measured saturation profiles so as to evaluate the local properties of the sample in terms of capillary pressure. These properties are then re-injected into the simulator as input data so as to finely interpret the flow parameters while respecting the evolutions of the differential pressure, of the displaced fluid production and of the saturation profiles.

摘要翻译： 应用于评估或生产用于确定多孔介质如岩石的多相流动参数的储层的方法，从位移实验的解释。 从岩石样品的注射实验中，在样品的不同部分测量饱和曲线。 然后通过允许产生模拟压力分布的数值模拟代码对实验数据进行初步解释。 然后将这些轮廓与测量的饱和曲线组合，以便根据毛细管压力来评估样品的局部性质。 然后将这些特性作为输入数据重新注入模拟器，以便精确地解释流动参数，同时考虑压差的变化，排出的流体产生和饱和曲线。

公开(公告)号：US20050178189A1

公开(公告)日：2005-08-18

申请号：US10505006

申请日：2003-02-19

申请人： Roland Lenormand ,  Patrick Egermann ,  Daniel Longeron

发明人： Roland Lenormand ,  Patrick Egermann ,  Daniel Longeron

IPC分类号： G01N15/08

CPC分类号： G01N15/0826 ,  G01N15/088 ,  G01N2015/0833 ,  G01N2015/0873

摘要： Method and device for evaluating simultaneously, with the same equipment, physical parameters such as the absolute permeability and the porosity of fragments taken from a fragmented natural or artificial porous medium The porosity of the fragments is measured by means of helium pressure tests according to a protocol known in the art. The chamber (1) containing the fragments is communicated with a tank (11) whose volume is also known and containing helium at a known pressure. At pressure balance, the value of the solid volume can be deduced. The rock envelope volume and the fragments mass are also measured. Combining these measurements allows to determine the porosity of the samples and the density of the rock. Their permeability is then measured by immersing them in a viscous fluid and by communicating the chamber with viscous fluid at a determined pressure contained in a vessel (9) so as to compress the gas trapped in the pores of the rock, according to two different protocols. The values of the physical parameters are determined by modelling the evolution of the pressure or of the volume in the chamber and by means of an iterative adjustment. Applications: petrophysical measurements from drilling cuttings or crushed cores for example.

摘要翻译： 用相同设备同时评估从碎片天然或人造多孔介质中获取的碎片的绝对渗透性和孔隙度的物理参数的方法和装置通过根据方案的氦气压力测试来测量碎片的孔隙率 本领域已知 含有碎片的室（1）与体积已知的罐（11）连通，并且在已知压力下含有氦。 在压力平衡下，可以推导出固体体积的值。 还测量了岩石体积和碎片质量。 结合这些测量可以确定样品的孔隙度和岩石的密度。 然后通过将它们浸入粘性流体中并通过将容器与包含在容器（9）中的确定压力的粘性流体连通来测量其渗透性，以便根据两种不同的方案压缩被捕获在岩石孔中的气体 。 物理参数的值通过对室中的压力或体积的演变进行建模并通过迭代调整来确定。 应用范围：例如来自钻屑或碎芯的岩石物理测量。

公开(公告)号：US07693677B2

公开(公告)日：2010-04-06

申请号：US11948316

申请日：2007-11-30

申请人： Patrick Egermann ,  Mickaele Le Ravalec ,  Amir Soltani

发明人： Patrick Egermann ,  Mickaele Le Ravalec ,  Amir Soltani

IPC分类号： G01N15/08

CPC分类号： G01N33/24 ,  G01N15/0826 ,  G01N15/088 ,  G01N2015/0846

摘要： The invention relates to a method having applications for oil exploration and CO2 storage of determining the three-dimensional distribution of the absolute permeability of a heterogeneous sample. The method includes: determining a 3D porosity map of the sample; carrying out a viscous miscible displacement experiment during which the evolution of the differential pressure on either side of the sample is determined; from this evolution, determining a 1D absolute permeability profile along the sample and constructing a first 3D permeability map from the 3D porosity map; estimating a simulated differential pressure by simulating numerically a viscous miscible test from the first permeability map and from the 1D permeability profile; determining the three-dimensional distribution of the absolute permeability of the sample by modifying at least once the first permeability map so as to minimize the difference between the simulated differential pressure and the differential pressure measured over the course of time.

摘要翻译： 本发明涉及一种具有石油勘探和CO2储存应用的方法，用于确定异质样品的绝对渗透率的三维分布。 该方法包括：确定样品的3D孔隙度图; 进行粘性混溶位移实验，确定样品两侧压差的演变; 从该演化，确定沿着样本的1D绝对磁导率分布，并从3D孔隙图构造第一3D渗透率图; 通过从第一渗透率图和1D渗透率分布数值模拟粘性混溶试验来估算模拟压差; 通过修改至少一次第一磁导率图来确定样品的绝对磁导率的三维分布，以便最小化在时间上测量的模拟差压和差压之间的差异。

公开(公告)号：US20080134760A1

公开(公告)日：2008-06-12

申请号：US11948316

申请日：2007-11-30

申请人： Patrick Egermann ,  Mickaele Le Ravalec ,  Amir Soltani

发明人： Patrick Egermann ,  Mickaele Le Ravalec ,  Amir Soltani

IPC分类号： G01N15/08

CPC分类号： G01N33/24 ,  G01N15/0826 ,  G01N15/088 ,  G01N2015/0846

摘要： The invention relates to a method having applications for oil exploration and CO2 storage of determining the three-dimensional distribution of the absolute permeability of a heterogeneous sample. The method includes: determining a 3D porosity map of the sample; carrying out a viscous miscible displacement experiment during which the evolution of the differential pressure on either side of the sample is determined; from this evolution, determining a 1D absolute permeability profile along the sample and constructing a first 3D permeability map from the 3D porosity map; estimating a simulated differential pressure by simulating numerically a viscous miscible test from the first permeability map and from the 1D permeability profile; determining the three-dimensional distribution of the absolute permeability of the sample by modifying at least once the first permeability map so as to minimize the difference between the simulated differential pressure and the differential pressure measured over the course of time.

摘要翻译： 本发明涉及一种具有用于石油勘探和CO 2储存的方法，该方法用于确定异质样品的绝对渗透率的三维分布。 该方法包括：确定样品的3D孔隙度图; 进行粘性混溶位移实验，确定样品两侧压差的演变; 从该演化，确定沿着样本的1D绝对磁导率分布，并从3D孔隙图构造第一3D渗透率图; 通过从第一渗透率图和1D渗透率分布数值模拟粘性混溶试验来估算模拟压差; 通过修改至少一次第一磁导率图来确定样品的绝对磁导率的三维分布，以便最小化在时间上测量的模拟差压和差压之间的差异。