INTECSEA_Systems_Engineering_Unnecessary_Frill_240310.pdf

7/27/2019 INTECSEA_Systems_Engineering_Unnecessary_Frill_240310.pdf

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Systems Engineering –Unnecessary Frill?

AOG SUT Conference 2010

Vince Vetter INTECSEA

Senior Vice President ANZ

Society for Underwater Technology

Perth Branchwww.sut.org.au



Systems Engineering – Unnecessary Frill?

-

Automobile

• Power & Transmission

• Brakes• Electrical

• Electronic

• Suspension• Environment HVAC

• Music

System Engineering Balances the Sub-Systems

Functions & Economics






•

• Sewer

•

• Lighting & Power

•

• Space

• Offshore Field

Developments






oes our u sea eve opmen ee

Systems Engineering (SE)?

Or is it an Unnecessar Frill?

• The who, what, when, where, why, how of SE

•

• How to identify the Systems Engineer

• Dedicated SE team? Minimum amount of SE?






What is a system?

produce results not obtainable by the elements alone

the parts - how they are interconnected …recurrent foulingin the onshore

stabilisationreboilers, which

limits the

A well failurehere, at the lowinerts / low LPG

assoc a e gasprocessing.

reservoir…

capacity could berendered useless for much of the time by

“ ”

… could render someor all spare capacity at … inerts or LPG



as…

LPG reservoir uselessby something as“minor” as…

onshore plant




SE is the practice of:a s ys ems ng neer ng

• Consider Entire System -

Reservoir to Sales Point• Optimise Design

• Reservoir, Drilling, Subsea,

pe nes, s ore os ,Onshore Facilities

•

• Operability

•

• Training & Support

• Construction / Installation



• Abandonment




What sorts of systems might be “in the frame”?

• Multiple developments in a region• A single development

• A subs stem within a development

“ ”,Engineer must also understand the elements

“ ” ,demands upon the system.






As early as possibleen s ou e eg n






S stems en ineer Where isWhere isWally, theWally, the

• Broad Knowledge of

S stem Elements:

Engineer?Engineer?

Reservoir to Sales

•

Disciplines / Groups“to the table”






The SE approach can be performed by “core”What if client doesn’t want a SE team?

discipline engineers:

• Engineering Manager • Flow Assurance / Process Engineer

• Reservoir Engineer

• Other Discipline Engineers

NB: regardless of which discipline engineer does thew , u u v e ebudget for key SE activities






Why use a Systems Engineering approach?

• Technical Alignment

• Optimising Subsea Equipment/Line Sizes

• Optimising the Separator/Slugcatcher Size vs Pipeline LiquidHoldu s vs S stem Ram -u Rates & Overall Availabilit

The Cost of Getting any of the Above Issues Wrong iny u v u ,or Hundreds of Mill ions…






How to employ a SE approach?Use the “SIMILAR” rocess…

Source: International council on System Engineeringwww.incose.org






What are the System Parameters / Issues?






What does a Systems Engineer deliver?

SYSTEMS ENGINEERING

Flow Assurance & Operability Systems Integration Equipment Application and Development Integrity & Risk Managment

Line Sizing and Configuration

Thermal-Hydraulic Design

Fluid Behavior

rtificial Lift

Solids Prevention and Control

Development Concepts & Layouts

Project-wide Design Basis

P&IDs & PFDs

Functional Specifications

Functional Interfaces

Electric Flowline Heating

Subsea Processing

Subsea Chemical Distribut ion

Multiphase Metering

Multiphase Pumping/Compression

Integrity Management

Reliability Assurance

RAM Analysis

HAZID/HAZOP

QRA

Corrosion Prevention and Control

Production Chemicals

Chemical Injection

Operating EnvelopesOperating Strategies

Design Reviews

Cost & Economics

Single Phase Pumping/Compress ion

Control/Service/Power Buoys

Long Distance Communcations

Subsea Power Distribut ionSubsea Power Generation

Operating Philosophies

Operating Manuals

Reservoir Interfaces

Processing Facilities Interfaces

Production Simulators






What does a S stems En ineer deliver?

Flow Assurance & Operability Systems Integration Equipment Appli

Line Sizing and Configuration

Thermal-Hydraulic Design



P&IDs & PFDs

Electric Flowl

Subsea Proc

Subsea Che

rtificial Lift

Solids Prevention and Control



Design Reviews

Multiphase M

Multiphase P

Single Phase

Production Chemicals

Chemical Injection

Cost & Economics Control/Servi

Long Distanc

Subsea Pow

Operating Strategies

Operating Philosophies

Subsea Pow

Reservoir Interfaces

Processin Facili ties Interfaces







SYSTEMS ENGINEERING

nce & Operability

Confi uration

Systems Integration Equipment Application and Developm

Electric Flowline Heatin

ulic Design


P&IDs & PFDs

Subsea ProcessingSubsea Chemical Distribution

ion and Control

ention and Control



Desi n Reviews


Single Phase Pumping/Compressi

emicals

Cost & EconomicsControl/Service/Power Buoys







SYSTEMS ENGINEERING

Systems Integration


Equipment Application and Development

Electric Flowline Heating

Integrity &

Integrity Manage

ro ec -w e es gn as s

P&IDs & PFDs


Subsea Processing

Subsea Chemical Distribution

Multiphase Metering

e a y ssura

RAM Analysis

HAZID/HAZOP

Design Reviews

Cost & Economics


Single Phase Pumping/Compression


Long Distance Communcations

Subsea Power Distribution

Subsea Power Generation






Whatdoes a Systems Engineer deliver?

SYSTEMS ENGINEERING

ration Equipment Application and Development Integrity & Risk Managment

s ayou s

Basis

ec r c ow ne ea ng

Subsea Processing

Subsea Chemical Distribution

n egr y anagemen

Reliability Assurance

RAM Anal sisions Multiphase Metering


HAZID/HAZOP

QRA


Lon Distance Communcations



S t E i i U F ill?




Tipping PointTipping Point – – Size / Complexity / ScheduleSize / Complexity / Schedule

• Little Time to Optimise

• mall Teams - ood / Mutual Understanding

• SE happens “organically”

1-4 Studies : FA, SS Engineer

ys em

Engineer



S t E i i U F ill?





System3+ SS Engr : FA, PL, EQPT,

UMB, Controls, Riser Engineer



S stems Engineering Unnecessar Frill?





• Criticality of System Availability

• Large APEX -Large avings rom ptimising

• Large / Segregated Engineering Teams

System

ng neer 6+ SS Project : Proj Mgr, Proj Engr,

Interface Mgr, Construction Mgt,Cost, Install, HUC



Systems Engineering Unnecessary Frill?




Minimum SE to Get By? Is More Better?Basis of Design

Fit-For-Pur oseSystem Description

Interface Mgt







How Much does System Engineering Cost?

Add S stem En ineer Add SE + Interface Manager $$

+ + s anager







ven s onsequences o ga e w

BoD Wrong Interface/Delay Delay/ReducedNot Robust – Fluids / Flow Rate

Reduced

DifferentNot Flexible – Well V.O. / Delays Delay/Reduced

oun oca on

Interface Missed Delays DelaySHE Event Delays/Reputation Shut-in







What is the Value of SE Risk Mitigation?=

Assume: 10% Less with System Engineer

Consequences – 10%Savings

Construction: $1M - $100,000 per day

Production Deferred: $1.5M - $150,000 per day(NPV: 50 mbe @ $60, 6%, 10 yr)







The cost of a Systems Engineering approach isThe cost of a Systems Engineering approach ischea insurance a ainst the costs which machea insurance a ainst the costs which ma

result from a wrong, or nonresult from a wrong, or non--optimised, systemoptimised, system..







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INTECSEA_Systems_Engineering_Unnecessary_Frill_240310.pdf