energy efficiency of e&p industry – how to succeed in a ... · pdf file– how...

Panel C: Petroleum Industry

25.09.2012

Energy efficiency of E&P Industry – How to succeed in a mature environmentDipl.- Ing. Henrik Mosser, MBAHead of E&P InternationalRAG Austria


25.09.2012

Worldwide growth of energy needs & Sustainability

From IEA World Energy Outlook 2011

*


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World energy need in Oil & Gas industry

From IPIECA / OGP energy efficiency fact sheet, for RIO conference 2012

Total consumption 540 Mtoe

in 2009

33% of total consumption for

Upstream

18% of energy consumed in

the production of fuels;

Oil & Gas industry is highly

energy intensive -> big

potential for energy efficiency

increase


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High Energy need of E&P Industry (1)

Exploration in remoteareas, unconventionals � Ultra deep sea, arctic, far from

existing infrastructure� increasingly deeper targets also on-

shore� shale oil & gas� oil sands � re-development of old fields


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High Energy need of E&P Industry (2) Increasing energy intensity over oil & gas field life due to:� loss of pressure

(compression, pumping)� increase in formation water

(water treatment & injection)� use of secondary & tertiary

recovery methods� older, less efficient facilities

Source: RAG


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Energy efficiency drivers & focus areas in E&PDriver Maturity of

assets

Limited

Resources

Regulation Reputation Competition

Challenge/

Opportunity

Cost savings Extend

field life

Meeting

emission

targets

Keep good

relationship

with

stakeholders

Technology

advantage

Focus areas

in the

industry

• reduce flaring - utilize associated gas

• change to cleaner fuels

• efficient generation of power and heat

• centralize/modernize facilities where remaining resources allow

• use improved motor/turbine technology

• track energy efficiency


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- Gas, power, heat

- 8300 toe total

- 2.5% of energy produced

- oil: 3.4%, gas 1.9%

RAG E&P energy consumption 2011


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After E&P Life

Geology Drilling

ReservoirEngineering

Completion

Drilling PortfolioWell Testing to verify Volumes/Economics

Drilling PortfolioWell Testing to verify Volumes/Economics

Planning & ExecutionPlanning & Execution

FieldDevelopment

Conceptual upfront Field Development for early

production

Conceptual upfront Field Development for early

productionReserves Determination

Production PlanningReserves Determination

Production Planning

OptimisedProduction

Technologies for maximum Recovery

Technologies for maximum Recovery

Evaluation for after well life (i.e. storage or geothermal energy)

Evaluation for after well life (i.e. storage or geothermal energy)

Seismic

Generation of new projects

Generation of new projects

3D Seismic3D Seismic

E&P Project Cycle from Exploration to “after E&P li fe”


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Power Generation

• 3 Gas driven Power Generators (CNG) 1230 kW

• 3 Diesel driven Generators 1596 kW

• 3 generators and electronic steering (variable speed drive) to better match actual power demand

• flexibility through supply by RAG compressed natural gas station (CNG)

RAG Examples: Drilling

Source: RAG


25.09.2012

- Lifting efficiency increase through permanent online fluid level monitoring- Uses complex signal pattern based on radar technology- Fluid level is identified automatically and transmitted to engineers PC , saving local

intervention- Applied with Variable Speed Drives (VSD) to regulate ESP‘s / Sucker Rod pumping

units, to prevent pump running dry

Oil production – pump jack system improvements (1)Automated fluid level measurement

Measured fluid levelSource: RAG


25.09.2012

- Sinker Bars: to reduce rod buckling and therefore wear of material

- Reduction of friction in stuffing box and polished rod through use of improved materials

- Relined tubings: plastic coated tubings to improve uptime. Reduces friction and conserves heat through better insulation

Oil production – pump jack system improvements (2)

Source: RAG spray metal applications


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• fit for purpose mobile compressor that allows for WHFP < 1 bar(g) using energy from produced gas only

• increasing recovery beyond conventional technology where reservoir conditions allow

Gas field life extension with mobile compressor

Source: RAG / COMPRESSCO


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Minimize life cycle costs & handling

� Simple transport & hook up

� Short installation time & faster on production (pre-manufactured, standardized lay-out and hook up)

� Optimized maintenance

� Range of applications from 1,000 to 2,000,000+ m3/d

� Large range of standardized facility modules (Separators, glycol dehydration units, compressors …)

� Own design – customized for RAG

Fit for Purpose Modular Facilities

Well Haid-002

Train 1Train 1

+ Cold Unit

Train 2

+ Cold Unit

Well Haid-003

CompressorTrain 3

Future

Renaturisation


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- Co-generation Krift & Strasswalchen- Own use of heat & power plus sales - Extension of field life through use of

gas from low pressure gas fields- Saving treatment (dehydration) &

compression costs- Modular system of up to four motors to

ensure fit for purpose power generation

Field life extension with co-generation of heat & p ower

Source: RAG, Strasswalchen co-generation plant

well /pipeline Free water KO Pre-heating compression De-hydration Rate control /

Measuring

grid

(> 30 bar)

Combined heat

& power

(2-3 bar)

public

grid

electricity

heat

Own use of production/storage facilities


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• Combination of deep geothermal energy and public heating network with biomass heating

• Well Mühlleiten 2 (dry gas well)

• Temperature 105ºC• RAG provides heat• Increase economics of biomass

heating by the use of geothermal heat

• Heat supply via heat pump and 800 m pipeline to the public network

• Local energy benefit adds to reputation

Extension of field / well life beyond E&P

105ºC in 3000m depth

RAG well ML002

Heat pipeline to public network

Deep geo thermal well

Source: RAG


25.09.2012

Summary & Conclusions � Oil and Gas industry is highly energy intensive, therefore

playing a major role in the reduction of green house gas emissions & energy efficiency

�Need for cost savings is a big driver for the E&P industry to improve on energy efficiency in mature areas

� In RAG “fit for purpose“ modular & mobile design is part of the solution to achieve higher efficiencies in any stage of field life

� Extending field/well life beyond E&P for e.g. geothermal applications results in local energy benefits thereby building on reputation


25.09.2012

THANK YOU FOR YOUR ATTENTION !

energy efficiency of e&p industry – how to succeed in a ... · pdf file– how...

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