Fundamentals of Wellbore Flow

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An accurate understanding of the flow in a wellbore is an integral part of production optimization, production monitoring, and asset management. Operating conditions will inevitably dictate the flow behavior in a well. The flow can be single or multiphase depending on the operating conditions. In this course, single and multiphase flow fundamentals in pipes and through restrictions will be covered. Multiphase flow predictions are more challenging compared to single-phase. Typically, empirical correlations or mechanistic models are employed for the prediction. The uncertainty in predictions can vary significantly depending on the method used. Available prediction methods will be discussed based on their applicability and accuracy.

Content duration: (10:31:05)

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    Chapter 2 - Fluid Mechanics Basics 1:14:11

    2.01 Pressure Gradient (27:44) Quiz

    2.02 Friction Factor (32:06) Quiz

    2.03 Assignment Solutions (04:21)

    Chapter 3 - Heat Transfer Basics 50:16

    3.01 Enthalpy Gradient and Heat Transfer (23:18) Quiz

    3.02 Temperature Gradient (16:58) Quiz

    Chapter 4 - Multiphase Flow Basics 1:14:23

    4.01 Definitions and Mixture Properties (24:31) Quiz

    4.02 Mixture Properties cont'd (22:41) Quiz

    4.03 Flow Patterns (17:11)

    Chapter 5 - Computation Methods 33:54

    5.01 Calculation Algorithms (28:54) Quiz

    Chapter 6 - Multiphase Flow Correlation Approach 2:32:24

    6.01 Dimensional Analysis (24:16) Quiz

    6.02 Correlation Approach - Category A (09:37) Quiz

    6.03 Correlation Approach - Category B (28:55) Quiz

    6.04 Correlation Approach - Category C (31:02)

    6.05 Assignment 1 (08:08)

    6.06 Assignment 2 (35:26)

    Chapter 7 - Multiphase Flow Mechanistic Approach 2:27:20

    7.01 Flow Pattern Prediction (30:14) Quiz

    7.02 Pressure Gradient & Holdup Prediction (37:46)

    7.03 Pressure Gradient & Holdup Prediction Continued (12:10) Quiz

    7.04 Unified Modeling (26:55)

    7.05 Assignment 1 (17:02)

    7.06 Assignment 2 (13:13)

    Chapter 8 - Evaluation of Pressure Gradient Methods 41:38

    8.01 Statistical Comparative Evaluation Based on Data (21:12) Quiz

    8.02 Instructor's Current Views on Multiphase Flow in Wells (10:26) Quiz