Applied Petrophysics and Log Analysis

Log Analysis, Petrophysics, Reservoir Characterization, and Tool Theory for Unconventionals

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Well logs are one of the primary data sources available to geoscientists and engineers and are the basis for estimations of several reservoir properties. In this course you will gain knowledge about several methods for determining reservoir properties, and how to integrate those methods into your subsurface evaluation workflow. In this course you will learn how to perform estimations of clay volume, TOC content, mineral volumes, porosity, fluid saturations, and reservoir cutoffs. Additionally, this course will cover calibrating your analysis to core properties, QC'ing interpretations, "quick look" interpretations, and a high level overview of tool theory.

Content duration: (19:27:20)

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    Chapter 1 - Course Overview, Well Logging and Tool Theory 2:30:39

    1.01 Introduction (01:58)  Sample Lesson

    1.02 Course Overview (10:11)

    1.03 What is Petrophysics (07:51)

    1.04 Course Outline (06:04)

    1.05 Well Logging (13:33)

    1.06 Tool Theory (11:11) Quiz

    1.07 Spontaneous Potential Logs (09:23) Quiz

    1.08 Neutron Logs (17:32) Quiz

    1.09 Resistivity Logs (10:38) Quiz

    1.10 Sonic Logs (05:48) Quiz

    1.11 Photoelectric Logs (07:36) Quiz

    1.12 Caliper Logs (05:56) Quiz

    1.13 Other Logs (07:58)

    Chapter 2 - Quicklook Log Analysis 1:41:49

    2.01 Quicklook Log Analysis Intro (07:46)

    2.02 Quicklook Log Analysis - Example 1 (09:20) Quiz

    2.03 Quicklook Log Analysis - Example 2 (12:55) Quiz

    2.04 Quicklook Log Analysis - Example 4 (14:52) Quiz

    2.05 Quicklook Log Analysis - Example 5 (23:50) Quiz

    2.06 Quicklook Log Analysis Wrap Up (13:06)

    Chapter 3 - Petrophysical Workflows 7:21:17

    3.01 Petrophysical Workflow Intro (02:34)

    3.02 Deterministic vs Probabilistic Workflows (18:13) Quiz

    3.03 Data Prep and Conditioning (24:32) Quiz

    3.04 Bad Hole Identification (29:06) Quiz

    3.05 Clay Volume (17:40)

    3.06 Clay Volume - Gamma Ray Methods (17:16) Quiz

    3.07 Clay Volume - Calibration (12:27)

    3.08 Total Organic Carbon - Passey Overlay Methods (21:09) Quiz

    3.09 Total Organic Carbon - Schmoker Method (09:48)

    3.10 Total Organic Carbon - Faust Method (07:23)

    3.11 Total Organic Carbon - Methods Comparison and Calibration (17:13)

    3.12 Porosity Evaluation Overview (08:25)

    3.13 Density Porosity Method (09:31)

    3.14 Neutron-Density Porosity Method (07:07)

    3.15 Sonic Porosity Methods (07:36)

    3.16 Density Porosity Revisited (08:57)

    3.17 Grain Density Approximation Method (20:02)

    3.18 Total to Effective Porosity Corrections (15:20)

    3.19 Porosity - Dealing with Bad Hole (16:29)

    3.20 Porosity - Calibration (10:00) Quiz

    3.21 Saturation Overview (09:46)

    3.22 Saturation - Archie's PhiE-PhiT Methods (13:41)

    3.23 Saturation - The Pickett Plot (15:07)

    3.24 Saturation - Temperature, Salinity and Rw (08:51)

    3.25 Saturation - Simandoux Method (10:55)

    3.26 Saturation - Dual Water Method (08:13)

    3.27 Saturation - Calibration (17:40) Quiz

    3.28 Cutoffs Analysis (09:56)

    3.29 Cutoffs Analysis - In Practice (26:20) Quiz

    Chapter 4 - Inversions in Practice 2:07:33

    4.01 Mineral Inversion Based Porosity (14:24)

    4.02 How Inversion Works - Theory (13:02)

    4.03 How Inversion Works - Theory Continued (13:58)

    4.04 How Inversion Works - Adding Constraints (15:36)

    4.05 Inversion - Using the Results (08:54)

    4.06 Inversion - In Practice (16:30)

    4.07 Inversion - Component Properties (08:57)

    4.08 Inversion - Curve Availability and Usage (08:04)

    4.09 Inversion - Adding Uncertainty and Constraints (04:44)

    4.10 Inversion - Analyzing Results (06:55)

    4.11 Inversion - Workflow Review (11:29) Quiz

    Chapter 5 - Lab Measurements 1:55:01

    5.01 Lab Measurements - Introduction (13:41)

    5.02 Special Core Analysis (15:48)

    5.03 XRD & XRF Measurements (15:23)

    5.04 General Recommendations (15:33)

    5.05 Integrating Petrophysics - Mapping (29:31) Quiz

    5.06 Course Summary (15:05) Quiz

    Chapter 6 - Danomics Hands-On Examples 3:51:01

    6.01 Danomics - Hands-On Introduction (04:47)

    6.02 Danomics - Getting Started (07:39)

    6.03 Danomics - Create Project and Data Loading (09:15)

    6.04 Danomics - Data Prep and Conditioning (09:38)

    6.05 Danomics - Establishing a Stratographic Column (07:40)

    6.06 Danomics - Normalizing the Data (15:53)

    6.07 Danomics - Bad Hole ID and Repair (24:04)

    6.08 Danomics - Clay Volume (35:43)

    6.09 Danomics - TOC Analysis (24:13)

    6.10 Danomics - Porosity Interpretation (16:57)

    6.11 Danomics - Mineral Inversion (26:26)

    6.12 Danomics - Water Saturation Interpretation (18:48)

    6.13 Danomics - Cutoffs Analysis (21:30)

    6.14 Danomics - Course Wrap-up (08:28)