SimWorx Presentation

Experiences

• Scientific Software Development
• Numerical Simulations using: FEM, FVM and Discontinuous Galerkin FEM.
• Auto adaptive mesh refinement (H, P and HP).
• Parallel Computing.
• User Interface development using C++, C#, Delphi, Java.
• Object Oriented Programming.
• Optimization.
• Engineer solutions.
• Design Tools
• CAD / CAE applications automation .
• Continuous Mechanic.

Oil & Gas Related

• Numerical Simulators
• Expert Tools
• Consulting
• Studies

Thank you for your time.

Questions ?

Contact: see www.simworx.com.br

Engineering, R&D

SandMan

Sand Production Control Design

SP3D

Characteristics

• Expert tool for Sand Production Control design.
• MS Excel file handling.
• Granulometry Analysis charts.
• MS Excel integration for input and output.
• Hints a solution with detailed specifications.

User Interface

Characteristics

Analysis and Design of Well test operations.

Fracture geometry model: Petrobras proprietary.

Implements Analysis and Design of Pressure Test operations.

Fracture operations:

• Acid;
• Propped;

Expert tool for analysis and design for Hydraulic Fracture operations.

User Interface

SimGPH

• Cenpes/Petrobras development
• SimWorx maintenance and extension
• Simulates gravel-packing operation.
• Mechanistic model
• Pressure calculation:
• with constant flow pump
• imposing flow table
• with variable flow (limited to fracture pressure)
• through pressure program (limited to fracture pressure)

SimGPH

• Pressure calculation with variable flow

Matrix

Characteristics

• Divertive Acids
• Injection Table
• 3D Flux model(coupled well and reservoir)
• Lots of completion options + sliding sleeve operations.
• Permeability and Damage along the well.
• Horizontal and Vertical wells.

AcidSurface

Post processing application for three dimensional scanners.

AcidSurface

• Assessment of Acid Fracture conductivity
• Implements models for determination of:
• Roughness
• Channeling
• Surface analysis
• Integrates VTK component

User Interface

Numerical Technologies:

• Fracture Geometry: Petrobras proprietary model.
• Filtration Model:
• Carter,
• Perkins & Gonzales

BOTh

Black Oil and Thermal coupled simulator.

BOTh – Black Oil Thermal

• 3D coupled bi-phase flow and enthalpy transport
• Hybrid kernel with FEM, FVM and DGM methods
• Developed for intelligent completions design activities
• Reduced processing time
• Easy to use:
• Parametrized, user hidden mesh building
• Unstructured meshes

BOTh - UI

User's Perspective:

• Horizontal and Vertical Wells;
• Reservoir stress anisotropy;
• Water injection with temperature effect
• Time dependent injection table (Injection Schedule);
• Time dependent results for:
• Fracture Geometry: Length, width, height;
• Bottom and Surface pressures;
• Impedance and Injectivity (before and after propagation);
• dQ/ds through fracture length;

Wrapping Up

Skills, capabilities, tools, knowledge.

Capabilities

Data assessment

• Numerical Methods
• Numerical simulators implementation.
• Unstructured meshes.
• Parallel Applications
• Numerical studies.
• Development, evaluation and validation of mathematical formulations.

Skills

• Strong Numerical Methods background.
• Engineering graduation with emphasis on Computational Mechanics.
• 10 years dedicated to O&G related projects.
• Deep Object Oriented background.

Integrated CAD

VTK with Paraview

Pre / Post processing:

• VTK
• Embedded in the Aplicação.
• Via Paraview
• AutoCAD
• MS Office
• Data exchange with MS Office applications.

Integrated VTK

Optimization

Multi morphology

Optimization techniques.

Genetic Algorithms.

Augmented Lagrange.

Parametric studies: sensitivity analysis and field data uncertainties.

Combines elements of different dimensions

In 3D simulation it is possible to use 2 and 1 d elements as well.

Fracture elements are 2D elements in a 3D well simulations.

A Horizontal well is represented as a 1D element.

Reduces computational demand.

ProDiv

Characteristics:

• Works as an ICD tool.
• Multiple Permeability regions can be considered.
• Computes the optimal perforation rate and hints the best solution given a set of available screens/liners.

Completion:

• Liner / Screen selectively perforated.
• Holes or Slots.

Results

Matrix

Prediction of Well Productivity Index in Matrix Acidizing Operations.

Matrix

• Matrix Acidizing operation simulator
• Carbonate formations
• Acidizing for stimulation
• Coupled well / reservoir and chemical numerical model
• Wormholes formation and evolution
• Acid front prediction

Matrix - UI

Matrix

Characteristics

• Divertive Acids
• Injection Table
• 3D Flux model(coupled well and reservoir)
• Lots of completion options + sliding sleeve operations.
• Permeability and Damage along the well.
• Horizontal and Vertical wells.

IP3D

• Hybrid 3D simulator (FEM/DGFEM/FVM)
• Well and Reservoir coupling.
• Flux distribution per well length.
• Selective perforation solution validation (Prodiv integrated)‏

Represents:

• Reservoir permeability heterogeneity.
• Completion type: stand alone, gravel pack, cased hole completion.
• Annular barriers.
• Horizontal and Vertical (also fractured) wells.

IP3D

• Multi fractured horizontal wells
• Inclined wells
• Gas flow

IP3D

Precise Modeling.

Curved elements:

Exact geometry description with reduced number of elements.

Precise Modeling

Curved elements:

Exact geometry description with reduced number of elements

The required dimension for each medium:

Multi-dimensions mesh

Uniform / Directional refinement.

Radial direction is the direction of interest. Refinement occurs only in that direction.

Mesh Refinement

Integrated technologies

• H, P and HP mesh adaptivity
• Multi-morphology
• Multi-dimensional
• Curved elements
• Directional mesh adaptivity
• Parallel computing
• Combined FEM/DGFEM/FVM kernel

User Interface

IP3D - Tests

Open hole

Gravel Pack completion