WO2004068176A1 - Methode pour determiner des zones d’un milieu stratifie ou l’interface entre un fluide en place dans le milieu et un fluide de balayage, se deplace de facon stationnaire - Google Patents
Methode pour determiner des zones d’un milieu stratifie ou l’interface entre un fluide en place dans le milieu et un fluide de balayage, se deplace de facon stationnaire Download PDFInfo
- Publication number
- WO2004068176A1 WO2004068176A1 PCT/FR2004/000077 FR2004000077W WO2004068176A1 WO 2004068176 A1 WO2004068176 A1 WO 2004068176A1 FR 2004000077 W FR2004000077 W FR 2004000077W WO 2004068176 A1 WO2004068176 A1 WO 2004068176A1
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- WO
- WIPO (PCT)
- Prior art keywords
- interface
- medium
- stationary
- fluid
- zones
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000012530 fluid Substances 0.000 title claims abstract description 42
- 238000011010 flushing procedure Methods 0.000 title abstract 2
- 230000000704 physical effect Effects 0.000 claims abstract description 3
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000010408 sweeping Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 claims description 2
- 238000004088 simulation Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 25
- 239000000243 solution Substances 0.000 description 15
- 230000035699 permeability Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 8
- 238000011144 upstream manufacturing Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000005514 two-phase flow Effects 0.000 description 6
- 210000001061 forehead Anatomy 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000012804 iterative process Methods 0.000 description 4
- 230000037230 mobility Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000004931 aggregating effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/282—Application of seismic models, synthetic seismograms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/30—Analysis
- G01V1/306—Analysis for determining physical properties of the subsurface, e.g. impedance, porosity or attenuation profiles
Definitions
- the present invention relates to a method for determining zones, of a laminated porous medium in which the front or interface between the fluids in place and the sweeping fluids moves in a stationary manner, that is to say without deformation and at constant speed.
- the method finds applications in particular when one has to sweep by. injected fluids (water for example) a stratified hydrocarbon deposit. This determination makes it possible to very quickly obtain the zones that can be, aggregated and constitute hydrodynamic units when scaling a reservoir model.
- Barker J.W. and Thibeau S. A critical review of the use of pseudo relative permeabilities for upscaling. SPE 35491, 1996.
- Dynamic methods generally use a systematic and uniform aggregation of meshes.
- non-uniform aggregation methods have been proposed in particular by:
- the evolution of the front in the reservoir during the flow is considerably influenced by the viscous coupling between the pressure field and the saturation field.
- the viscous instabilities will always favor the flow of fluids in the most permeable layers.
- the breakthrough time through these is much faster than in the rest of the tank.
- the viscous coupling can slow it down in the initially faster layers, thus compensating for the differences in permeability due to stratification. A stationary front then appears.
- the method that we propose makes it possible to recognize the zones of a stratified reservoir behaving like a single layer in the hydrodynamic sense without resorting to a fine simulation and without invoking the hypotheses of vertical equilibrium. It makes it easier to choose the zones to aggregate in the stratified tanks. It therefore allows dynamic and viscous effects to be taken into account while allowing for one. determination of coarse layers very fast compared to old solutions.
- the method according to the invention makes it possible to recognize the zones of a stratified reservoir behaving like a single layer in the hydrodynamic sense without resorting to a fine simulation and without invoking the hypotheses of vertical equilibrium. It makes it easier to choose the zones to aggregate in the stratified tanks. It therefore allows dynamic and viscous effects to be taken into account while allowing for one. determination of coarse layers very fast compared to old solutions.
- the method according to the invention makes it possible to determine, in a laminated medium whose physical properties are known or estimated, at least one zone where an interface between a fluid in place in the medium and a sweeping fluid, of known viscosities and densities, injected into the medium, moves stationary, in order to simplify the construction of a model for simulating flows in the medium. It essentially comprises the following stages:
- average hydrodynamic properties are uniformly assigned to each zone of the medium delimited by each interface part, when said equalization is reached.
- the interface when it is not possible to obtain an equalization of the pressures on either side of the interface all along it, the interface is segmented into several parts and the iteratively and separately is modified shape of these different parts, until equalization of the pressures on either side of each of them, the extent of each interface part, when said equalization is reached, delimiting a favorable area to which uniformly assigns average hydrodynamic properties.
- the shape of at least one zone of the medium delimited by a stationary displacement interface is determined, which corresponds to different values of the viscosity of the sweeping fluids, and the viscosity for which is chosen. optimizes stationary movements in the said environment.
- FIG. 2 shows an iterative construction loop of the evolution of the hydrodynamic layers as a function of the viscosity ratio, for two-phase flows in a given stratified medium
- FIG. 3 shows an example of a stratified tank inclined relative to the vertical. The purpose of this figure is to explain the notations used in the description of the method;
- FIG. 4 shows the value of the absolute permeabilities as a function of the depth, used in the synthetic example of a reservoir illustrating the method in a nonlimiting manner
- FIG. 5 shows the evolution of the interface during the iterative process of finding the shape of a stationary front, on the example described by Figure 4;
- FIG. 7 shows the evolution of the number of hydrodynamic layers as a function of the ratio of the viscosities used, on the example described by FIG. 4.
- the method can also be applied iteratively by varying the viscosity ratio of the fluids considered.
- the ratio of viscosities between the injected fluid and the fluid in place is reduced, the shape of the stationary front, if it exists, must be modified.
- the viscous coupling is no longer sufficient to compensate for the permeability of contrasts and a stationary solution can be found over the entire thickness of the medium.
- the medium is then cut into two portions according to the method described above in the event of non-convergence, and the search continues in the two medium portions. By doing so iteratively on the viscosity ratio, the number of hydrodynamic layers of the medium is obtained as a function of the viscosities considered. This result could make it possible, for example, to know the viscosity of the injection fluid which makes it possible to optimize the recovery.
- the injection condition imposes a constant flow over the thickness of the inlet tank. If the medium is assumed to be long enough and the saturation profile already well developed, we can assume that the pressure gradient at the inlet of the system is identical, in all the layers:
- the incompressibility condition requires that the flow leaving the system be the same as the incoming flow. We therefore obtain a condition similar to the recovery slice:
- K 2 is the average of the effective permeabilities at the output over the entire thickness of the medium.
- n is the unit vector orthogonal to the interface at the point considered
- p x is the pressure gradient at the interface on the upstream side
- Vp 2 is the pressure gradient at the interface on the downstream side.
- Pressure equation The pressure equation is conventionally given on both sides of the interface.
- pi and p 2 are the pressures evaluated at the front respectively for the upstream and downstream zones, and C is defined arbitrarily by the user and can be zero.
- the stationary solution obtained for this viscosity one can look for the stationary solution for a lower viscosity of water, for example a viscosity of 10.
- the stationary solution obtained previously can serve a priori as input to the iterative process of deformation of the forehead. We then converge on a new solution. By doing this iteratively on different values of the viscosity of water, we obtain the shapes of the stationary front associated with these values ( Figure 6). As the ratio of mobilities between the fluid does not place and the injected fluid decreases each time that the viscosity of the water is reduced, the forehead spreads out gradually, because the viscous effects have more and more difficult to compensate for differences in permeability from one stratum to another.
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/542,490 US7426460B2 (en) | 2003-01-16 | 2004-01-15 | Method for determining zones in a stratified medium where the interface between a fluid in place in the medium and a flushing fluid moves in a stationary manner |
GB0516026A GB2414096B (en) | 2003-01-16 | 2004-01-15 | A method for optimizing the recovery of a hydrocarbon fluid in place in a stratified hydrocarbon reservoir |
NO20053409A NO335638B1 (no) | 2003-01-16 | 2005-07-13 | Fremgangsmåte for å optimalisere utvinning av et hydrokarbonfluid til stede i et lagdelt hydrokarbonreservoar |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR03/00430 | 2003-01-16 | ||
FR0300430A FR2850187B1 (fr) | 2003-01-16 | 2003-01-16 | Methode pour determiner des zones d'un milieu stratifie ou l'interface entre un fluide en place dans le milieu et un fluide de balayage, se deplace de facon stationnaire |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004068176A1 true WO2004068176A1 (fr) | 2004-08-12 |
Family
ID=32605786
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2004/000077 WO2004068176A1 (fr) | 2003-01-16 | 2004-01-15 | Methode pour determiner des zones d’un milieu stratifie ou l’interface entre un fluide en place dans le milieu et un fluide de balayage, se deplace de facon stationnaire |
Country Status (5)
Country | Link |
---|---|
US (1) | US7426460B2 (fr) |
FR (1) | FR2850187B1 (fr) |
GB (1) | GB2414096B (fr) |
NO (1) | NO335638B1 (fr) |
WO (1) | WO2004068176A1 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2869116B1 (fr) * | 2004-04-14 | 2006-06-09 | Inst Francais Du Petrole | Methode pour construire un modele geomecanique d'une zone souterraine destine a etre couple a un modele de reservoir |
FR2886742B1 (fr) * | 2005-06-02 | 2007-07-27 | Inst Francais Du Petrole | Methode de changement d'echelle des permeabilites absolues pour construire un modele de simulation d'ecoulement |
CN102007459B (zh) * | 2008-04-17 | 2015-01-07 | 埃克森美孚上游研究公司 | 用于储层开发计划的鲁棒性基于优化的决策支持工具 |
US8775347B2 (en) * | 2008-04-18 | 2014-07-08 | Exxonmobil Upstream Research Company | Markov decision process-based support tool for reservoir development planning |
EP2291799A4 (fr) * | 2008-04-21 | 2013-01-16 | Exxonmobil Upstream Res Co | Outil d'aide à la décision basé sur une programmation stochastique pour la planification de développement d'un réservoir |
CN102612682B (zh) | 2009-11-12 | 2016-04-27 | 埃克森美孚上游研究公司 | 用于储层建模和模拟的方法和设备 |
CA2784910A1 (fr) * | 2010-01-20 | 2011-07-28 | Shell Internationale Research Maatschappij B.V. | Systemes et procedes de production de petrole et/ou de gaz |
WO2012045936A2 (fr) * | 2010-09-27 | 2012-04-12 | Total Sa | Simulation de karstification |
CN111927410A (zh) * | 2020-08-06 | 2020-11-13 | 中国石油天然气股份有限公司 | 一种井-藏协同分注测试调节设计方法 |
-
2003
- 2003-01-16 FR FR0300430A patent/FR2850187B1/fr not_active Expired - Fee Related
-
2004
- 2004-01-15 US US10/542,490 patent/US7426460B2/en not_active Expired - Fee Related
- 2004-01-15 GB GB0516026A patent/GB2414096B/en not_active Expired - Fee Related
- 2004-01-15 WO PCT/FR2004/000077 patent/WO2004068176A1/fr active Application Filing
-
2005
- 2005-07-13 NO NO20053409A patent/NO335638B1/no not_active IP Right Cessation
Non-Patent Citations (4)
Title |
---|
DARMAN ET AL.: "Upscaling Immiscible Gas Displacements: Quantitative Use of Fine Grid Flow Data in Grid Coarsening Schemes", SPE, SOCIETY OF PETROLEUM ENGINEERS INC., 2000, pages 1 - 14, XP002261171 * |
GLIMM J. ET AL.: "Front Tracking for Petroleum Reservoir Simulation", SPE, SOCIETY OF PETROLEUM ENGINEERS INC., 1983, pages 41 - 49, XP002261169 * |
SHELDON ET AL.: "The Motion of an Interface Between Two Fluids in a slightly dipping Porous Medium", SPE, SOCIETY OF PETROLEUM ENGINEERS INC., 1962, pages 275 - 282, XP002261168 * |
YORTSOS: "Analytical Studies for Processes at Vertical Equilibrium", SPE, SOCIETY OF PETROLEUM ENGINEERS INC., 1992, pages 1 - 14, XP002261170 * |
Also Published As
Publication number | Publication date |
---|---|
FR2850187A1 (fr) | 2004-07-23 |
GB0516026D0 (en) | 2005-09-14 |
NO335638B1 (no) | 2015-01-12 |
GB2414096A (en) | 2005-11-16 |
NO20053409L (no) | 2005-08-12 |
GB2414096B (en) | 2007-08-15 |
US20060184347A1 (en) | 2006-08-17 |
FR2850187B1 (fr) | 2005-03-11 |
US7426460B2 (en) | 2008-09-16 |
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