SimWorx Engineering, Research & Development

1. SimWorx Engineering, Research & Development

2. Filling the Gap • The SimWorx team experience provides the missing link between Industry and Academy • It converges both objectives.

3. LabMeC to SimWorx Evolution Land Surveying automation application developed under the AutoCAD environment Development of voice logging application for call centers (Distributed application) Consulting contract on numerical methods and Symbolic Programming course 1997 2008 2003 2000 2002 2005 1999 2001 2004 2006 2007 1998 Created and received the mantainance contract for the Embraer CFD code Development of hydraulic fracturing applications. Still Structures projects automation using AutoCAD PICTA – Embraer – Fapesp CFD Application development and archictecture.

4. SimWorx Team Graduated students from LabMeC Different experiences with research applied to numerical methods. Edimar Cesar Rylo: Dr. Eng. Gustavo Camargo Longhin: M.Sc. Eng. Tiago Luís Duarte Forti: M.Sc. Eng.

5. What we do Development of numerical simulators – Writing C++/VB/Delphi Engineering projects automation tools. Stand alone applications Autodesk (ARX, VBA, LISP) Numerical simulations using comercial applications. (Ansys, Nastran, etc); Courses for subjects such as: Comercial simulators Symbolic programming applications

6. Oil Industry Applications • Developed with a Petrobras and Labmec partnership. Well Engineering Department. • Applications for: • Hydraulic fracturing. • Water Injection with Fracture Propagation. • MiniFrac log analysis. • Selective perforation. • Determination of an ideal hole distribution. • Productivity Index determination in open-hole wells.

7. The SimWorx / LabMeC Implementation Models • Developed according to Object Oriented Philosophy • Easy mantainance and extension. • It better addresses complexities. • Allows for code reusability. • Developed in C++ • Increases kernel performance. • Extensive use of Components. • Proprietary. • Developed in house.

8. Hydraulic Fracturing Applications • The SP3D application • Started development back in 2002. • A CENPES and LabMeC combined effort. • Served as the base project for the LabMeC CENPES long relationship. • The Propag application • Still evolving and incorporating new models / technologies. • A mantainance contract exists to support the necessary evolution.

9. The Propag Application • Numerical Simulator for: • Water injection with fracture propagation. • Its numerical model contemplates: • Formation’s Mechanical Behavior. • The flow of water through the porous medium. • The flow of water through the fracture opening. • Developed in C++. • Based on Object Oriented Techiniques.

10. The Propag Application • Runs on regular PCs. • Requires regular computational resources. • Runs on Windows environment. • Has an intuitive user interface with: • Reports. • Charts. • Developed as MDI (Multi-Document Interface). • Inproves data analysis. • Software Industry consolidated feature.

11. The Propag Formulation • The numerical kernel of Propag. • Incorporates lots of different models. • Evolves based on Petrobras requirements. • Evolves according to availability of new technologies.

12. Propag (GUI Overview) Reservoir data Finite Elements simulation specific data Generic simulation data Confinement stresses Injection fluid data Horizontal or Vertical Well simulations Oil specific data

13. Actuating stresses • Can be entered by the user. • Or estimated by the application based on input data.

14. Injection planner • A spreadsheet like interface allows for the injection planning inputs. • User select units for • Injection time. • Flow rate. • In the example • 3000 days injecting 4000 m3/day • 50 days without injection • 1000 days injecting 6000 m3/day • ...

15. Horizontal or Vertical Well • Input specific for Vertical Well • Diameter of Holes (Perforation) • Number of Holes • Input specific for Horizontal Well • Diameter • Length

16. Preliminary values • Fracture initiation pressures • Non penetrating fluid. • Penetrating fluid. • Fracture initiation (surface data) • Flow rate. • Pressure. • Filtration coeficients. • Cv (CII) • Reservoir compressibility and viscosity coefficient. • Cw (CIII) • Filter cake coefficient. • CL • Total leakoff coefficient.

17. Reports • Spreadsheet table with a timestep wise finite element solution.

18. Charts • Plots for • Front position • Propagation pressure • Surface pressure • Fracture openning • Fracture height • Fracture volume • Efficiency

19. Front Position

20. Propagation pressure.

21. Fracture openning

22. Data exchange features • Exports charts. • Bitmaps (figures) • MS Excel spreadsheets • ASCII text.

23. Chart customization • Fully customizable chart component allowing for: • 3D charts when necessary. • Exporting. • Editing. • Etc.

24. Contextual Help enabled • Hitting “F1” triggers the specific help.

25. Future work • Translations • Incorporate new formulations. • Vapor Injection • Horizontal Stresses anisotropy • Etc...

26. ProDiv Application • Application for Design and Analysis of Inflow Control by Unevenly Distributed Perforation. • Contemplates • Producion • Injection • Acidization

27. ProDiv background • Complyes with the LabMeC / SimWorx development model. • Based on the same computational frameworks of ProPag. • Developed according to Object Oriented Philosophy. • Written in C++.

28. ProDiv Methodology • Based on user input. • Computes an ideal perforation scheme. • The ideal scheme is transformed from a continuous function into a discrete function. (pipes with the same perforation rate) • With the quasi ideal perforation it recomputes: • Pressure inside the pipe. • Flow • Inside the tube (Q) • From the tube (Outflow) and to the tube (Inflow) (dQ/ds)

29. Main Features • Selective perforation for completion of: • Oil Production wells. • Water Injection wells. • Stimulation wells. • Capable of: • Determine the ideal perforation for a given pressure / flow rate input. • Determine the resulting in/outflow for a given perforation.

30. Main Features • The adopted perforation rate can be edited by the user • Check existing configurations. • Check possible behaviors for different scenarios. • Fine tunning according to user experience. • With the same perforation, the user can change the operation flow rate and check the behavior with that perforation scheme.

31. The ProDiv Application • Analysis tabs • Charts • Spreadsheet User input tabs

32. ProDiv • Flow specific input • Injection • Production • Stimulation

33. ProDiv • Well and Reservoir specific parameters. • Pressures • Well Geometry • Type of Perforation • Holes • Slots

34. ProDiv • Auxiliary values • Average Flux Speed • Reynolds number • Friction Factor • Discharge Coefficient • Anular Pressure

35. ProDiv • Charts for: • Pressure • Holes per meter • Accumulated number of Holes • Flow Rate

36. ProDiv Spreadsheet

37. ProDiv • Double click on chart pops up a chart only window

38. ProDiv • Ideal perforation is computed • Computed Number of Holes • User can edit used number of Holes • Adopted number of Holes

39. ProDiv walk through • Holes per meter for the ideal perforation

40. ProDiv • Flow results for the ideal perforation

41. ProDiv • User can edit adopted number of holes per tube • Excel like Drag to Edit parameters

42. ProDiv • Charts represent Adopted number of Holes computations

43. ProDiv • Charts represent Adopted number of Holes computations

44. ProDiv • For Stimulation Operation. • Treatment Pressure can either be: • Known value • Computed • Click on button and compute window pops up.

45. Future works • Pressure and Permeability anisotropy • Editing functionalities • Translations • Etc...