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