process design case study

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Welcome to this presentation

It will show you, on a practical case, how the process design of a typical Oil & Gas facility, an Oil & Gas production (Upstream) facility is done

Process design bases identification

Process scheme selection

Process simulations

Sizing of Process Equipment

Specification of Mechanical Equipment

Comments are most welcome ([email protected]), which I will incorporate for the benefit of all.

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Process Design case study

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Oil + gas + water Gas

Oil

Water

Tanker

Gas re-injection in reservoir

Well

HP Separator

LP Separator

Imagine we have to do the process design of a simple oil production system… What would be the bases of design?

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Oil + gas + water Gas

Oil

Water

Tanker

Gas re-injection in reservoir

Well

HP Separator

LP Separator

P T Q xi

Pg

Vapour pressure spec Bases of design

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Oil + gas + water

Oil

Water

Well

HP Separator

LP Separator

How would we optimize the process scheme?

Tanker

Gas

Gas re-injection in reservoir P

T Q xi

Pg

Vapour pressure spec

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Oil Well

HP Separator

LP Separator

P1

P2 T

Oil + gas + water

Oil

Water

Gas

Tanker

Gas re-injection in reservoir P

T Q xi

Pg


We would select P1, T, P2 to optimize oil flowrate

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HP Separator

LP Separator

What are the input to the Process simulation?

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HP Separator

LP Separator

P1

P2 T

Pg

P T Q xi

Input to the Process simulation

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HP Separator

LP Separator

What are the output to the Process simulation?

P1

P2 T

Pg

P T Q xi

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HP Separator

LP Separator


P Q

Q

W

W P T Q xi

P T Q xi

P1

P2 T

Pg

P T Q xi

Process simulation output

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Process scheme selection & simulation output: Process Flow Diagram Heat & Mass balance

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Tanker

HP Separator

LP Separator

HP Separator sizing

LP Separator sizing

Sizing of Process equipment

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13

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Case study: Equipment Sizing

Production separator

Sets the gas cross section

Sets the liquid volume

Vessel size

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Process data sheet

Pressure vessels are designed, i.e., sized by Process.

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Tanker

HP Separator

LP Separator

Compressor data sheet

Pump data sheet

HX data sheet


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Mechanical equipment are not sized by Process, they are simply specified, i.e., inlet/outlet conditions are given, sizing is left to equipment Vendor.

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Tanker

HP Separator

LP Separator


Pump data sheet

HX data sheet


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Mechanical equipment are not sized by Process, they are simply specified, i.e., inlet/outlet conditions are given, sizing is left to equipment Vendor.

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Tanker

HP Separator

LP Separator


Pump data sheet

HX data sheet

Specification of Heat Exchangers

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Specification of heat exchangers

Heat exchangers are simply specified by Process, i.e., inlet/outlet conditions are given, sizing is left to equipment Vendor.

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Wrap-up: the first steps of Process design



Process simulations




Some equipment are designed and some other are specified by Process. Remember which ones?

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Process simulations




Some equipment are designed and some other are specified by Process. Remember which ones?

Equipment performing a process function, e.g., separation, are

designed by Process.

Equipment performing a mechanical function, e.g., pumps, compressors as well as heat exchangers, are specified

by Process.

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Process simulations



Deliverables issued:

Process Flow diagrams + Heat & Material Balance

Equipment data sheet


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Process simulations



Deliverables issued:

Process Flow diagrams + Heat & Material Balance

Equipment data sheet

Next steps:

Development of P&IDs, material selection, line and instrument sizing, relief system etc. Find out about these next steps in The Guide


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The Oil & Gas Engineering Guide

2nd edition

A unique synthesis for the busy Project professional

270 pages 350 illustrations

Published: March 2015

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The Oil & Gas Engineering Guide - 2nd edition

Discipline presentation: activities and deliverables

Table of Contents

The overall process

Methods & tools

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Table of Contents

Discipline presentation: activities and deliverables

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The work of each Engineering discipline is described

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Design activities are explained, e.g., Plant

Equipment layout

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Complex activities, such as QRA, are explained through a

practical example.

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How are materials of construction selected ?

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How and when are Piping Materials ordered?

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A sample of all common Engineering documents is

included

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A sample of all common Engineering documents is

included

Use this to specify what you want to your Engineering

supplier !

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Verify the contents of engineering documents

with check lists.

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Difference between Engineering and Shop

drawings

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Understand the main technical aspects, e.g., DCS

vs ESD

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This book is destined to both:

Oil & Gas companies Project execution personnel

Oil & Gas contractors Project execution personnel

Date of publication: March, 2015.

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2nd edition

If your are on the Client side, i.e., contracting Engineering services, this book will help you to:

Specify to an Engineering supplier what you want: what deliverables and with what contents,

Set a standard in Engineering execution that you and your supplier can adhere to: design stages/gates, methods to be used, etc.

Specify the progress report you want, with the meaningful indicators,

Ask the right questions to assess the true progress,

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2nd edition

If your are on the Contractor side, i.e., performing Engineering activities, this book will help you to:

Understand the work of each discipline and the overall picture,

Challenge what one discipline tells you,

Understand the critical areas,

Put in place the right methods to be successful,

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2nd edition

Order direct from the publisher:

http://www.editionstechnip.com/en/catalogue-detail/1111/oil-gas-engineering-guide-the.html























process design case study

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