APPEA Presentation Peter Mark SMITH Rev C

© 2010 Weatherford. All rights reserved. 1

From Wells to Decisions.

Data and Information Management for Coal Seam Gas Operators in Australia as compared to Conventional Oil and Gas OperatorsPeter Mark SMITH13th April 2011

© 2010 Weatherford. All rights reserved.

Some Issues to Consider

• Traditional method of well data management

- A few REs + A few PEs → A few (10s) of well

- This will not scale to most CBM developments

- Would require more than a few engineers

• (Some) Data sources include;

- Multiple coal seams, pressures, flow rates…

- Multiple geologies, ALS, reservoir analyses

- Multiple regulations, environmental monitoring

- Potentially multitudes of data2


Some Issues to Consider

• SCADA

- Industry standard – we can get access to real time data

- Data does not necessarily lead to information

- Do we need real time data?

- If yes, are conventional solutions adequate?

• Lift optimization

- Unique CBM challenges – H2O/CH4 phase change

- Managing changes throughout the well life cycle

• Data→ Information → Decisions

- Optimization, control & automation3


Data → Information

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Data – The Technical Issues

• Protocols – Modbus / OPC etc.

• Data rates – Fast / Slow

• Transmission rates - Bottlenecks

• Transmission methods – IP is becoming dominant

• Gathering points

• Central vs distributed storage

• Access levels

• Geo-distribution

• Regulatory issues.


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Data Sources

• Data can be derived from time differentiated sources.

– Stored Data. (e.g. From a data base)

– Real Time Data. (e.g. Direct from the instrumentation).

– Simulated Data (e.g. Via a modeling package such as a reservoir simulation package)


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Data Diversity – Many different origins

• Reservoir – (e.g. down-hole sensors)

• Seismic – (e.g. survey data)

• Well head surveillance – (e.g. well head pressure / flow rates and water vs gas content).

• Production Data – (e.g. water and gas rates, sand, composition).

• Hardware sourced – (e.g. pump type, flow line sizes).


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Data Standards Available

• POSCXML

• WITSML

• PRODML

• RESQML

• XML Extensions

• Proprietary Formats

• One-off Formats

• WHERE is the CBM / CSG Standard?


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Data Storage Solutions

• Centralized vs Distributed

• Multiples or Singles

• Regulatory and Proprietary

• Open or Closed Architecture

• Near or Far


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Data Volume

• Data never stops growing. The challenge becomes ‘how can this large mass of data be broken down into viewable – but truthful – presentation?’.

• Without tools to both handle and process the data, the PT or Asset Manager cannot make informed decisions and more importantly determine through feedback the effect o those decisions.


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Data Complexity

• Data handling becomes a MIMO problem. Multiple inputs, multiple outputs and all sorts of permutations in-between make a single generic data storage and retrieval solution impossible in practice although common to imagine.

• Different disciplines naturally have a different view – a petroleum engineer is going to want completely different data to a production engineer (as well as tools, views, analysis).

• Different management levels within the same company will want a different view (i.e. MIS vs. PT).


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Graphic of a MIMO / Multi Use Data Trail


Information → Decisions

• Intelligent alarms, reports, trending

• Ability to automate actions based on real time data

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An example of a Commercial Package

• LOWIS – modules available for most lift types.

• A CBM specific module is available for the CBM industry.

• LOWIS is more than well surveillance – it’s a field surveillance and analysis tool.

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Operations Console

PCP Well Group Status• Operate by Exception• Intelligent Alarms • Quickly Identify and Prioritize Problems• Emergency shut down• Reduce time to detect well failures• Optimize Artificial Lift

Welltest and Downtime Management• Monitoring of Well test Facilities• Well test validation• Consolidation of Downtime

EFM now added to support the CSG/CBM industry!


PCP Module – Current Status

• Updated hourly

• Color coded to easily recognize wells in alarm or out of service

• Ability to filiter based on status


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Analysis – Is it performing as expected

Features– Use configuration & surveillance data model

well performance & calculate important downhole information

– Compare & validate measured data to engineering models

– Quickly analyze well performance– Intelligent alarms based on analytical results

Benefits– Accurate diagnostics– Predict cause of failure– Identify optimization opportunities

& cost-benefits on a daily basis– Reduce downtime– Reduce failures & improve average runtime

between failures– Reduce electrical & other operating costs– Accurately predict impact due to change in

operating parameters

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Configuration - What Changes Have Been Made

• Features

– Easily add, change, or delete wells, points, equipment, & catalog information

– Describe physical information about wells, equipment, wellbore, & fluids

– Built in catalogs of equipment

– Easily copy & edit any points from one controller to another

– Quickly setup or create calculation on measured values

• Benefits

– Empowers end users to maintain accurate description of wells & equipment in wells

– Eliminates burden of implementing configuration changes form IT & integrators

– Reduced administrative time required to install & support the system

– Reduces information entrymistakes and configuration time

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LOWIS Workflow

Configuration Add, Delete,Edit Wells

EvaluateResults

Surveillance Monitor,Control Wells

What ishappening?

Analysis Determine Opportunities for Improvement

Is it performingas expected?

Work Plan What should bedone next?

Prioritize andSchedule Work

Services How should it be executed?

Monitor & TrackService Events

Score CardHow wellwas it done?

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All activities are workflow based


Decisions

• The building blocks exist to take us from wells to decisions

• Are operators & service companies on the same page?

• Commercial Off The Shelf vs ad-hoc databases

– Commercial stability

– Ad-hoc flexibility

– Evolving regulatory reporting

– More than pretty pictures

• What does the industry need?

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Q and A

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APPEA Presentation Peter Mark SMITH Rev C

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