Formation Evaluation of Naturally Fractured Carbonate Reservoirs

Level: Intermediate

Upcoming Sessions:

To Be Determined
Please Contact Us at tahmed@mtech.edu for more information
Instructors: Dr. Djebbar Tiab

Designed for:

The course is designed for engineers and other technical personnel who are interested in a comprehensive approach to evaluating and predicting the effects of natural fractured carbonate reservoirs.

Course Overview:

The course is intended for petroleum engineers, geologists, geophysicist and others who are interested in obtaining geologically and engineering concepts, technology, and methodology used to characterize, evaluate and mange naturally fractured carbonate reservoirs.

Course Content:
  • Petrophysical Properties of Naturally Fractured Reservoirs (NFR)
    • Geological vs. Engineering Classification of Natural Fractures
    • Indicators of Natural Fractures, Visual Identification of Fractures
    • Fracture Porosity Determination
    • Porosity Partitioning Coefficient, Fracture Intensity Index
    • Permeability-Porosity Relationships
    • Fracture Area, Fracture Storage Capacity, Fracture Conductivity
    • Cementation Factor of dual and triple porosity carbonate reservoirs
    • Exercises
  • Analysis of Vertical Well Pressure Tests in Naturally Fractured Reservoirs
    • TDS Technique
    • Theoretical Models
    • Transient Matrix Flow
    • Conventional Pressure Analysis
    • Modern Pressure Analysis Techniques
    • Multiphase Flow
    • Determining Fracture Porosity
    • Numerical Examples
  • Complex Composite Naturally Fractured Reservoirs
    • Mathematical Models
    • Commingled Reservoirs
    • Reservoirs with Crossflow
    • Conventional Techniques
    • Pressure Derivative Techniques
    • Spherical Flow Regime
    • MDT: Conventional Pressure Analysis Techniques
    • MDT: Modern Pressure Analysis Techniques
    • MDT: Permeability and Anisotropy Profiling
    • Field Cases
    • Numerical Example
  • Horizontal Wells in Naturally Fractured Reservoirs
    • Geological Aspects of Horizontal Wells
    • Horizontal Well Applications
    • Overview of Horizontal Well Drilling & Completions
    • Limitations of Horizontal Wells
    • Importance of Vertical Permeability to HW Performance
    • Objectives of HW in Naturally Fractured Reservoirs
    • Types and Evaluation of Naturally Fractured Reservoirs
    • Pseudo-steady State and Matrix Flow
    • Anisotropic Reservoirs
    • Partially Penetrating HW
    • Elliptical Flow
    • Average Reservoir Pressure of NFR
    • Numerical Examples
  • Performance of Stimulated Wells in Naturally Fractured Reservoirs
    • Horizontal Well Versus Hydraulically Fractured Vertical Well
      • Limitations of HF Vertical Well
      • Comparing HW with Hydraulically Fractured Vertical Well
    • Performance of Hydraulically Fractured HW
      • Performance of Longitudinal and Transverse Fractures
      • Decision on HW Trajectory
      • Decision on Number of Hydraulic Fractures
    • Post-Frac Well Test Analysis of a Vertical and Horizontal Wells using TDS Technique
      • Conventional Technique
      • Type-Curve Matching
      • Analytical/TDS Technique
      • Finite Conductivity Fracture
      • Inclined Hydraulic Fractures
    • Numerical Applications