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Travailler autrement (en Soule)… n°3 L’équipe Géomodélisation 2/2

Esquiule. Hunki jin Xiberoan !. Travailler autrement (en Soule)… n°3 L’équipe Géomodélisation 2/2. Les réservoirs fracturés. 1- Echanges double milieu. Mahmoud JAZAYERI Fernanda DE-MESQUITA-VELOSO. Et un, et deux, et trois….

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Travailler autrement (en Soule)… n°3 L’équipe Géomodélisation 2/2

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  1. Esquiule Hunki jin Xiberoan ! Travailler autrement (en Soule)… n°3L’équipe Géomodélisation 2/2 Et un, et deux, et trois…. Team Building Expertise Géomodélisation – Esquiule – 07/06/2007

  2. Les réservoirs fracturés 1- Echanges double milieu Mahmoud JAZAYERI Fernanda DE-MESQUITA-VELOSO Et un, et deux, et trois…. Team Building Expertise Géomodélisation – Esquiule – 07/06/2007

  3. Fractured reservoir study Le cycle de développement … • Industrialisation • Développement • Tests métier/outils • Applications sur cas Opérationnels • Maintenance • Communication Recherche rche • Recherche • Recherche Bibliographique • Acquisition Terrain • Analyse Données • Spécification Hypothèses • Protocole Expérimental • Tests et applications • Synthèse • Communication Industrialisation Industrialisation PHASE I Recherche PHASE II Recherche Prototypage Prototypage • Prototypage • Implémentation • Tests métier/outils • Applications sur cas Opérationnels

  4. Why fractured reservoir ? • More than 40% of the world reservoirs are carbonate! • 85% of the carbonate reservoirs are fractured!

  5. corridor Persistent fracture bed joints 0 5m 10m How does a fractured reservoir look like? Fractured reservoirs characterisation

  6. Matrix – Fracture modelling Matrix Fracture Fractured medium Matrix Fracture Slabs Matches Cubes How we define the cube dimensions? Geology, Seismic, Dynamic test ( well test) …..

  7. Why pumping test ?

  8. Classic response of a fractured reservoir Cube dimensions Storativity ratio Interporosity coefficient Shape factor Matrix-Fracture Transition Fracture Average permeability

  9. Problem • ∆x, ∆y, and ∆y are predicted from the average reservoir permeability (k) obtained from well test curve. BUT Does this assumption satisfy the reality? Is there a unique pressure responsefor the entire reservoir or it depends on some other factors? Δz Δy Δx

  10. Unique response? Well location Fracture distribution

  11. Well Location First set Second set Third set

  12. Fractures exponential distribution • Fractures quantity = β e – β x • X = distance between 2 fracture in one set • Fractures density and permeability are constant β β = 0.15 Homogeneous model β = 0.1 150 m 150 m

  13. Unique response? Well location Fracture distribution How do these factors effect on the well test response?

  14. Future work on Terrieu site (Montpellier) Detailed fracture cartography Outcrop on Terrieu site

  15. Reservoir Modeling and Simulation Geophysical data Geological data • Geological map • Fracture analysis • Electrical imaging • Well logging Model calibration and testing Dynamic data • Pumping test • Continues water level survey • Well test interpretation

  16. Les réservoirs fracturés 2- Modélisation_Perspectives de Workflow Gérard MASSONNAT Jean-Paul DELIMAT David BOURSIGAUX Et un, et deux, et trois…. Team Building Expertise Géomodélisation – Esquiule – 07/06/2007

  17. Projet FLOWERS 1- Objectifs Laurent BERGAMO Et un, et deux, et trois…. Team Building Expertise Géomodélisation – Esquiule – 07/06/2007

  18. Objectives • Give to Reservoir Geologists : • The capability to deeply integrate dynamics data, • The possibility to invalidate geological scenarios with dynamic behaviour, • The possibility to run well tests and compare to actual data, • A friendly-user soft within the geomodelling tool,

  19. Flowers • It will be : • Dedicated to Reservoir Geologists, • A single-phase or dual-phase flow simulator useable by non specialists, • Based on simplified physics, • Developed in partnership with Colenco, • A soft that can be plugged in any geomodelling soft (Petrel, gOcad, others). • It will not be : • a concurrent for complex flow simulators, • a tool for matching a long and complex production history.

  20. Main principles • Flowers is developed with free use of algorithms from GeoScale project (Sintef – Oslo) • GeoScale, a multi-scale simulation : • mixed multi-scale finite element methods, • subscale information incorporated through base functions computed numerically on local sub-grid, • global system solved on coarse grid, • natural scalability and parallelism, • very flexible with respect to geometry of grid-blocks. Upscaled permeability Multiscale solution

  21. X-component of velocity base functions in 2D Two scales • Multi-scale methodology using a fine and a coarse grid : • Base functions at coarse scale integrate fine scale information, in order to • capture heterogeneity

  22. 3D model One water injection well and one oil producer K field Velocity field Saturation

  23. CPU Time Nb Cells Advantages of the Multi-Scale 1 coarse model : 10^3 cells + 1000 sub-models : 10^3 cells 1 model : 10^6 cells 100 x 100 x 100 cells 10 x 10 x 10 cells

  24. 2006 : main actions • Mid-December : • Delivering of a Flowers alpha version, • First tests performed. • Feb-May 2007 : • Optimisation for time performance (mostly saturation), • Comparison with Eclipse on Total synthetic case, • Simplified user interface.

  25. To Do : Management of complex grids • Dead cells, and cells with nil volume or surface, • Faulted models

  26. 2007 : work program • Complete Test Phase: Organisation of test planning between June and August 2007. • Development of an industrial prototype : • Easy and convivial workflow for pre and post processing, for geologists, • Workflow for well tests (automatic sub - gridding, …) • Management of LGR, • Tracer displacement. • Test of algorithms.

  27. Projet FLOWERS 2-Organisation et fonctionnement Martine PEILHO-ALDACOURROU Et un, et deux, et trois…. Team Building Expertise Géomodélisation – Esquiule – 07/06/2007

  28. Points communs GOKARST et FLOWERS • Projet R&D transverse « Modélisation des réservoirs », Volet « Validation dynamique du géomodèle », Action « Simulateur simplifié Madiran » • Partenariat 50% avec

  29. Équipe projet FLOWERS Entité Informatique Métier Maîtrise d’ouvrage / Métier (GST/TG/COP) Correspondant Informatique métier - Jean-Michel Casaux Utilisateurs ) (GSR/ASI/ECI Projet Informatique / FEI-SI - Chef de projet Informatique Martine Peilho - Aldacourrou Maître d’Ouvrage (FEI/SI/SIP/RCS) Gérard Massonnat (GSR/TG/COP) Resp. SIP/RCS André Bidegaray Utilisateurs Clé Maîtrise d’Œuvre externe André Fil Équipe Réalisation (EP/EN/UK/TEP) COLENCO Francis Morandini Paramétrage / Tests (GSR/VDG/GEOL) Laurent Bergamo (AJILON)

  30. Organisation Projet FLOWERS Recherche Métier ASI FEI/SI Niveau stratégique Représentant MOA (TG/COP) G Massonnat Correspondant Responsable Entité métier Informatique JM CasauxM.Peilho-Aldacourrou Niveau tactique Comité Pilotage Comité Technique spécifique (partenariat) • Compétences externes • - Société COLENCO (CH) • Resp. : O. Jaquet • Dév : P Siegel, • R Namar • - Société AJILON • L. Bergamo Utilsateurs Clés A. Fil F. Morandini Niveau opérationnel Groupe Projet

  31. FLOWERS – Acronyme… • Pour respecter l’éthique de notre Compagnie le projet MADIRAN a été rebaptisé FLOWERS MADIRAN = Modélisation Aisée DIphasique du Réservoir À l’Echelle Notable FLOWERS = FLOWEarthmodels Reservoir Selector

  32. FLOWERS - Principe simulateur diphasique

  33. FLOWERS - Livrables • Livraison de la version Alpha du logiciel fin décembre 2006 • Premiers tests effectués au GRC • Livraison version 1.0 de FLOWERS juin 2007

  34. FLOWERS : Programme de travail • Conditions initiales du modèle • Tests et validation des algorithmes, de la physique • Comparaison avec résultats Eclipse sur des cas synthétiques • Optimisation du code, parallélisme • Définition d’un workflow pour les essais de puits • Gestion des failles Phase 2 du projet (Interface utilisateur) après validation de la phase 1 en cours

  35. FLOWERS : Planning

  36. Projet FLOWERS 3- Premiers résultats Laurent BERGAMO Et un, et deux, et trois…. Team Building Expertise Géomodélisation – Esquiule – 07/06/2007

  37. Protocole Maîtrise Ouvrage AJILON - TOTAL COLENCO Flowers Model Creation FTP Readjustment of Parameters Phone Comparison with Eclipse

  38. Tests : Création of the model Populating with petrophysics Gridding Rock Typing ~100m Definition of Run Scheduling Definition of Dynamical parameters 4 Km

  39. Tests : Flow Simulation with Flowers Optimisation of Coarse Gridding Initialisation of the model (Pressure, Saturation, ..) Comparison with Eclipse Flowers Eclipse

  40. Historical of Tests and Results (1/2) • 1-15 March, 2007 : A first model FELIX_1 is furnished to Colenco. When compared to Eclipse results, a strong difference in terms of pressure and saturation is detected. The model is too complicated for a first test. A “sugar box” must be provided. • 15-31 March, 2007 : A second model FELIX_2 is furnished to Colenco. When compared to Eclipse, a light difference in terms of pressure and saturation is detected. In addition, the entered capillary pressures highly complicates the calculus. A new model must be provided with no capillary pressure. From now on, each *.PRT, *.RSM and *.UNRST files from Eclipse simulation are furnished to Colenco.

  41. Historical of Tests and Results (2/2) • 1-15 April, 2007 : A third model FELIX_3 is furnished to Colenco. Some of the furnished dynamical parameters are not coherent (FVF). The initialisation of pressure is not mastered. The setting of the Well Productivity Index is not coherent. From now on, each Productivity Index is furnished at the end of Eclipse simulation. • April-Mai, 2007 : A fourth model FELIX_4 is furnished to Colenco. The aim of the operation is to obtain a good matching with Eclipse results. A first Flowers V.0 version is to be furnished on June 4th. Once this operation realised, a well test will be conducted on a fifth model, interpreted with PIE and compared to a well test performed with Flowers.

  42. First Observations • Time of calculus highly enhanced compared to prototyped versions (> x100) • Possibility to run simulations for large grids (over 10^5 cells) in a relatively short time. • Code not yet optimised for small models (1’000-100’000 blocks) mainly because the Multi-Scale process is not adapted.

  43. Future Work on FlowersV.1 COLENCO TOTAL - AJILON • Delivery of the product (Flowers V.1) on June 4th. • Test of the software with Helene Baudson : Definition of the parameters to test (Velocity Field, Saturation Field, Pressure Field, …) and comparison with Eclipse. • Management of the capillary pressures. • A well test (single-phase) will be conducted on a model, interpreted with PIE and the pressure derivative will be compared to the one obtained with a well test performed with Flowers. • Operation in Zurich (June 20-22 2007) to test an “enhanced” Flowers V.1

  44. Géomodélisation 1- Incertitude géologique et modélisation Abbas ZERKOUNE Et un, et deux, et trois…. Team Building Expertise Géomodélisation – Esquiule – 07/06/2007

  45. Le cycle de développement … • Industrialisation • Développement • Tests métier / outils • Applications sur cas Opérationnels • Maintenance • Communication Recherche rche • Recherche • Projet :Intégration des incertitudes géologiques au niveau des cubes de proportions de faciès 1 ) Au sein de Neptune, 2) Protocole plus intégratif sur la base de modèles issus de protocole distincts Industrialisation Industrialisation PHASE I Recherche PHASE II Recherche Prototypage Prototypage • Prototypage • Implémentation • Tests métier/outils • Applications sur cas Opérationnels

  46. Information + Connaissance profil de production Problématique Économie Sismique Géologie Dynamique

  47. Information + Connaissance Degré d’incertitudecumulé Aléatoire Scénario Modèle Données Processus de Modélisation Problématique Économie Sismique Géologie Dynamique

  48. Information + Connaissance Problématique Économie Sismique Géologie Dynamique

  49. Information+Connaissance Problématique Économie Sismique Géologie Dynamique

  50. Degré d’incertitudecumulé Aléatoire Scénario Modèle Données Processus de Modélisation État des lieux

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