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INSTRUCTOR © 2017, John R. Fanchi
All rights reserved. No part of this manual may be reproduced in any form without the express written permission of the author. © 2004 John R. Fanchi All rights reserved. Do not copy or distribute.
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To the Instructor The set of files here are designed to help you prepare lectures for your own course using the text Introduction to Petroleum Engineering, J.R. Fanchi and R.L. Christiansen (Wiley, 2017) File format is kept simple so that you can customize the files with relative ease using your own style. You will need to supplement the files to complete the presentation topics.
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Surface Treatment and Storage
© 2017, John R. Fanchi All rights reserved. No part of this manual may be reproduced in any form without the express written permission of the author. © 2004 John R. Fanchi All rights reserved. Do not copy or distribute.
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Outline Wellhead Production Equipment Pipelines Gas and Gas Condensate
Vertical Well Patterns Homework: IPE Ch. 11
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WELLHEAD
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Christmas Tree and Wellhead
Pressure Gauge Wing Valve Swab Valve Wing Master Valve Flowline Tubing Head Wellhead Casing Head
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PRODUCTION EQUIPMENT
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Production Equipment Separation Separator Water
Gas, oil and water separate (gas above oil above water) Separator Allows oil, gas and water to separate naturally Water BS&W (Basic Sediment and Water) Emulsion (figure below)
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Fluid Segregation Gas off top Gas Oil from middle Oil Water off bottom
Three Phases (Gas, oil and water)
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http://kwintl.com/separators.html accessed 10-2-10
Two-Phase Vertical Separator Three-Phase Vertical Separator Vertical Separators Two Phases (Gas and liquid) Three Phases (Gas, oil and water) accessed
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http://kwintl.com/separators.html accessed 10-2-10
Three-Phase Vertical Separator Three-Phase Vertical Separator Two-Phase Vertical Separator Horizontal Separator Three Phases (Gas, oil and water) accessed
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Schematic of a gas-liquid separator
Primary stage: inlet diverter (e.g. screen) changes momentum of inlet fluid Secondary stage: Liquid and gas separate by gravity Tertiary stage: mist eliminator allows small droplets to coalesce to larger drops Source: JPT (Dec 2014), pg. 107; SPE © 2004 John R. Fanchi All rights reserved. Do not copy or distribute.
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Oilfield Production Equipment
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Oilfield Production Equipment
Storage Tanks Separator Pump
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Swabbing Swabbing Reduce pressure in wellbore
Remove water or drilling mud from well (unload well) so oil and gas can flow Reduce pressure in wellbore Pipe, wireline tools or seals move up the wellbore. Reducing pressure can stimulate well
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PIPELINES
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Right of Way Barnett Shale DFW area
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Laying Pipeline Barnett Shale DFW area
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Average Velocity Average velocity Vavg = average speed through a cross-section Vavg determined from conservation of mass For fully developed laminar pipe flow, 𝑽 𝒂𝒗𝒈 = 𝟏 𝟐 𝑽 𝒎𝒂𝒙 where Vmax is maximum velocity
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Pipe Flow: 4 Flow Regimes in Vertical Flow
Bubble Flow Slug Churn Annular
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Pipe Flow: 7 Flow Regimes in Horizontal Flow
Segregated Stratified Wavy Annular Intermittent Dispersed Slug Plug Bubble Mist
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Flow Pattern Map for Horizontal Flow
Superficial Liquid Velocity Gas Stratified Smooth Wavy Annular Mist Intermittent Dispersed Bubble Slug Flow Elongated Bubble Superficial Velocity: velocity that would exist if another phase was not present
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Pressure Gradient Equation
Flow in Pipe Pressure Gradient Equation L A V Potential Energy 𝒅𝑷 𝒅𝑳 𝑷𝑬 =𝝆𝒈 𝒔𝒊𝒏 𝜽 Kinetic Energy 𝒅𝑷 𝒅𝑳 𝑲𝑬 =𝝆𝑽 𝒅𝑽 𝒅𝑳 Friction 𝒅𝑷 𝒅𝑳 𝒇𝒓𝒊𝒄 =𝒇 𝝆 𝑽 𝟐 𝟐𝑫 Inclined, circular pipe Fluid density ρ Fluid velocity V Inner diameter D Friction factor f
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GAS AND GAS CONDENSATE
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Compressors to match pipeline pressure
Gas Well Compression Boost low pressure to high pressure Expensive to install & operate Increase well life & reserves Individual well or entire field Compressors to match pipeline pressure
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VERTICAL WELL PATTERNS
© 2004 John R. Fanchi All rights reserved. Do not copy or distribute.
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Line Drive Pattern Injector
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Five Spot Pattern Producer Injector
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Peripheral Waterflood Pattern
Producer Injector
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QUESTIONS?
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SUPPLEMENT
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