Advanced Reservoir Petrophysics

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Duration: 5 Days

Overview

This course will teach you how to evaluate reservoirs and quickly identify flawed results. This course demonstrates how robust answers are achieved by the integration of diverse data. Basic economic questions are addressed head-on by a disciplined, logical process which optimizes the interpretation of porosity, permeability, saturation, netpay, and fluid contacts – the basis of reserves. Low contrast low resistivity pay clastics and carbonates are evaluated by simple integration techniques which surpass stand-alone log analysis, NMR wireline, image logs, routine core, special core and MDTs are brought innovatively together to interpret difficult exploration wells, improve reservoir simulation and typically increase reserves.

Target

  • How to drill, core, log and test for clear formation evaluation results
  • How to review petrophysical studies & quickly identify flawed results
  • How to perform basic log analysis, core-log integration and seismic petrophysics integration

Agenda

Day 1:
Introduction to Petrophysics:
  • What is Petrophysics?
  • What are the Rock Physical properties?
  • Petrophysics as a key-discipline in integrated reservoir analysis
  • Petrophysical properties of reservoir rock
  • Reservoir rocks and types
  • reservoir analysis, reservoir models
  • Porosity
  • permeability,
  • relative permeability
  • Capillary pressure,
  • water saturation,
  • fluid contacts
Introduction to Well Logging
  • What is Well Logging?
  • Fundamentals of well logging
  • Introduction to Open-Hole Logging
  • The borehole and its environment
  • Open hole and cased hole logging
  • Logging Tools Operation
  • Log Quality Control
  • Quick Look Well Log Interpretation
Day 2:
Acoustic methods
Nuclear methods:
  • Lithology Tools: GR, NGT, SP
  • Porosity Tools: BHC, FDC, CNL, APS, LDT, DSI
  • Resistivity Tools: DLL, DIL, MSFL, HRLA, ARI, AIT
  • Cased-Hole Logging Tools
  • Other Tools:(Nuclear magnetic methods) NMR, CMR, MDT, ECS
  • Geological Tools ( Imaging methods): FMS, FMI
  • Thermal Decay Time (TDT, RST)
  • Cement Bond (CBL-VDL)
  • Production Logging (PLT)
  • Other Tools: EPT
  • Dipmeter, RFT
  • Introduction to Logging While Drilling (LWD) and
  • MWD techniques
Day 3:
Log analysis – formation evaluation
  • Fundamental problems of formation evaluation Profile
  • Reservoir detection Reservoir characterization
  • Basic interpretation methods Vshale, porosity, water saturation
    Permeable zones
  • Advanced interpretation methods
  • Combined determination of porosity and rock composition Cross plot
    methods
  • Shaly sand interpretation Fractured reservoirs
  • Thin bed evaluation and anisotropic reservoirs Integrating the
    information; the reservoir model
  • Saturation determination, movable fluids
  • Permeability estimation
  • Exercises: Calculations of GR, SP, Sonic, etc.
  • Lithology interpretation
  • Lithology Determination
  • Lithology Model
  • Lithological Parameters
  • Porosity calculation
  • Rw determination
  • Petrophysical parameters (a, m, n)
  • Archie’s Parameters
  • Vshale estimation
  • Fluid Saturation
  • Permeability prediction
  • Permeability calculation
  • Practical Exercises
Day 4:
Rock Physics (from core and log)
  • Porosity Types
  • Permeability
  • Permeability and Porosity Relationships
  • Fluid Saturation
  • Lithology Interpretation
  • Vsh Calculation
  • Rw determination methods
  • Petrophysical parameters (a,m,n)
  • Archie’s Relationship
  • Core Analysis and Core-Log Relationships
Advanced Formation Evaluation
  • Reservoir Petrophysical Model Evaluation
  • Modern Approaches and Techniques in Petrophysics
  • Multi-Well Bases Study Using:
  • Multi-Well Data-Base
  • Key Well Study
  • Data Normalization
  • Most Problematic Parameters
  • New Methods (Variable Values)
Day 5:
  • Introduction to Computer Processed Interpretation Hydrocarbon Quality
  • Fluid Contacts (GOC-GWC-OWC-ODT-WUT-FWL)
  • Reservoir Summations
  • Practical Training Exercises on & Case Studies Including:
  • Carbonate reservoir (Limestone) from Gulf area
  • Clastics reservoir (Sandstone) from Egypt
  • Gas tight Sandstone reservoir from Algeria

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