Cem Sarica

Fundamentals of Wellbore Flow

10:36:05 Hours
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.

1.01 Overview of Well Flow (16 min.) 
1.02 Bottomhole Pressure Estimation (24 min.)
1.03 Example 1 – Solution (2 min.)
1.04 Example 2 – Solution (3 min.)

2.01 Pressure Gradient (27 min.)
2.02 Friction Factor (32 min.)
2.03 Assignment Solutions (4 min.)

3.01 Enthalpy Gradient and Heat Transfer (23 min.)
3.02 Temperature Gradient (16 min.)

4.01 Definitions and Mixture Properties (24 min.)
4.02 Mixture Properties cont’d (22 min.)
4.03 Flow Patterns (17 min.)

5.01 Calculation Algorithms (28 min.)

6.01 Dimensional Analysis (24 min.)
6.02 Correlation Approach – Category A (9 min.)
6.03 Correlation Approach – Category B (28 min.)
6.04 Correlation Approach – Category C (31 min.)
6.05 Assignment 1 (8 min.)
6.06 Assignment 2 (35 min.)

7.01 Flow Pattern Prediction (30 min.)
7.02 Pressure Gradient & Holdup Prediction (37 min.)
7.03 Pressure Gradient & Holdup Prediction Continued (12 min.)
7.04 Unified Modeling (26 min.)
7.05 Assignment 1 (17 min.)
7.06 Assignment 2 (13 min.)

8.01 Statistical Comparative Evaluation Based on Data (21 min.)
8.02 Instructor’s Current Views on Multiphase Flow in Wells (10 min.)

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