Course: Formation Evaluation Courses:
 

Instructor: Dr. S. Talabani

1. Cased Hole Logging Data Analysis

  • Cement logging tools; LQC data, full analysis, predicting isolation and cement quality, quantify log data (VD), finding micro-annulus and life span of a well.
  • Corrosion tools: Prediction of corrosion, micro-corrosion, identifying corrosion for up to three casing strings, the conductor pipe corrosion prediction & full data interpretation.
  • Noise Logs: Type of Noise logs, LQC data, prediction of different fluid behind pipe, fluid migration from Noise logs, full data analysis & calculations.
  • Monitoring Tools & Log Analysis: type of the tools available in the market, problems associated with acquiring data, data checking, full log analysis, examples on Carbonate reservoirs.

2. Open Hole Logging Data Analysis

  • Radioactive Tool Sets; Neutron tool, density tool, GR, NGS, others
  • Planning a Well
    • Introduction to petrophysics
    • Exploration wells
    • Extension of a field
    • Wireline logging tools
    • Nuclear tools : Gamma Ray
    • Basics of GR, resolution, DOI
    • Finding geological features
    • Correlation
    • Examples from your fields
    • Discussion and comments
  • SP, Resistivity Tools
    • SP: this section will concentrate on the basics of SP tool, DOI, data collected and evaluation, data validation, corrections required and examples
    • Basics on the resistivity tools
    • Induction and Galvanic tools
    • Induction: DOI, calibration, data acquired, array tools, corrections required, earth model and processing
    • Galvanic tools: basics, DOI, calibration, corrections required, data resolution, valid data, examples, and discussion on data processing.
    • Parameters needed for data processing
    • The Di-electric tools; basics, parameters, processing, data analysis after processing
  • Acoustic & NMR Tools
    • Monopole & Dipole tools, basics and details on tool modifications
    • Data processing, corrections, parameters requires, basics of  estimating K, DOI, resolution
    • Other uses of acoustic data
    • NMR; basics, the technology, T1 and T2, finding gas, oil and water from
  • Testing & Image Tools and Saturation
    • Basics of testing tool measurements and sampling, tool capabilities, sampling under different conditions and analysis
    • Image logging tools: how to acquire good image data, procedure for the mud properties, evaluation of data and analysis
    • Saturation; Archie equation and its validity, other equations used in the industry, full data set evaluation and reservoir management from data point of view
    • Latest technology in the market
    • Discussion and comments

3.  Logging Data Quality Control

  • Introduction
  • High quality data & quality management
  • Logging sensors
  • Data evaluation
  • Standards on grading, weighting
  • Setting parameters
  • Depth control issue
  • Calibration, master, main, field
  • Heading, remarks, sketches
  • Data, timing, quick look
  • How to evaluate data
    • Data: GR, Resistivity, Density, Neutron, Sound tools
    • General checking
    • Depth correlation
    • Sources of errors
    • General checking
  • Resistivity Data
    • Principle and basics
    • Data, DOI, VR
    • Calibration, master, field, verification, what are all these numbers listed !
    • Tolerance
    • Environmental corrections; BH, eccentric tools, invasion, fluids, formation effects
    • Bed thickness, anisotropy, processing
    • Complex models
    • Examples and responses
    • Dielectric effects
    • Effects of: invasion, thin beds,  V-resolution, human error, horizontal beds
    • Field examples from your fields
    • Discussion and evaluation of data
    • Data combined
  • Density – Neutron & Sound Data LQC
    • Photoelectric absorption
    • Bulk density
    • Calibration, M, field, ver.
    • The 
    • Effects of mud
    • Caliper and stand off effects
    • BH rugosity, spiralization effects
    • Calculating 
    • The Pe curve
    • DOI, VR
    • Presentations and examples
    • Dead time corrections
    • P, S, St waves
    • PR waves
    • Slow & fast formations
    • Latest technology in the market
    • Cycle skipping
    • Array sound tools; mono & dipole
    • Porosity, lithology, and equations used
    • DOI, VR, repeatability
    • Calibration, master, field

4.  Cement Logging, Gas & Water Detector Logs, Perforation:

  • Cement Rehology
    • Cement powder
    • Cement mixture
    • Cement slurry and its properties
    • Cement – Drilling Fluid Relationship
    • Use of Sea Water for cement recipe
    • Thixotropy
    • Cement setting time cycles
    • examples
  • Cement Tools
    • History of cement logging tools
    • Frequency range used for cement tools
    • Low frequency Cement Logging Tools
    • High Frequency Cement Logging Tools
    • Cement Tools of Different Service Companies
    • The Bond Logs & Variable Density Tools
    • Travel Time
  • Interpretation of Cement Log Data
    • Conditions Setting for Logging in Vertical & Horizontal Wells
    • Data acquiring in Deviated Wells
    • Tool Centralization
    • Data Quality Check
    • Validity of the Data
    • Interpretation of the Travel Time (TT)
  • Data Interpretation
    • Interpretation of the Segment Data
    • Data Analysis of the Pads
    • Data Analysis of the Sectors
    • VDL Data
    • Quantifying VDL Data
    • Calculating the Micro-Channel Width
    • Problems with Micro-Channel
    • Full Data Analysis
    • Examples
  • Noise Log Tool and Perforation
    • Noise log tools, basics , frequencies used and full data evaluation
    • Perforation: types of gun in the market
    • Choosing the right gun for your formation
    • Data simulation
    • Zonal isolation
    • Other perforations
    • Squeezing Cement
    • Basics Rules to Follow in Cementing
    • Basic Rules to Follow in Cement Log Data Analysis
    • General Review & Local Examples
    • Discussion



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