Rehabilitating Mature Oil Fields

www.petroEDGEasia.net
REHABILITATING
MATURE OIL FIELDS
25 – 27 July 2016 | Kuala Lumpur, Malaysia
Your Expert Course Leader:
Paul Winchester
Paul has more than 40 years’ experience in all aspects of drilling and production gained from 17 years with Shell
worldwide in Production Engineering, 2 years as Field Production Manager in Central Australia with CSR
Petroleum, and 2 years as Chief Petroleum Engineer with the Bureau of Mineral Resources (Canberra). Since then
he has worked on many diverse projects around SE Asia, mainly technical audits or field development feasibility
and planning.

Conduct this training course in-house for more effective savings!
Call us at +65 6741 9927 or email to info@asiaedge.net. For more information, visit us at www.petroedgeasia.net
REHABILITATING MATURE OIL FIELDS
25 – 27 July 2016 | Kuala Lumpur
The rehabilitation of mature fields can be one of the most profitable activities in the current low oil price
environment. A fair amount uncertainty and risk is removed, as the geology and remaining reserves are
known with a high degree of certainty, and the well has already been drilled. However each field is unique and
no one solution will cover all conditions. Rehabilitating or improving flow from mature oil fields requires a
good integrated working knowledge of the geology, the reservoir and the existing well design.
About the course:
This 3 day course will provide you with the logic and tools to guide the decision making in the direction as to
the methodology to bring the field to its full potential, or in some cases whether it should be abandoned
totally.
The course will briefly cover the inflow and outflow of fluids from the well, and the impact of the change of
reservoir parameters with time, followed by an introduction into primary, secondary and tertiary recovery.
The topic of enhanced recovery will not be the focus of this course; the sessions will instead concentrate on
improving primary recovery from the field by:
 Examining various causes of declining productivity, and ways and means of diagnosing the cause.
 Discussing various rig and non-rig interventions to remedy the diagnosed problem.
 Presenting a simplistic method of prioritising the workover activity for a large number of under-
performing wells.
 Introducing an investigative method to examine if any undrained oil remains untapped.
Armed with this knowledge, each well in turn will be able to be examined as to what needs to be performed –
remediate, recomplete on another reservoir, introduce or change artificial lift method, use well as future
injection well (e.g for enhanced recovery, water disposal, or gas storage) or abandon.
What will you be able to achieve after attending this training course:
 Understand the problems associate with produced fluids, and interactions between these and
introduced fluids
 Understand the causes of formation damage and its importance to the productivity of a well.
 Understand the various categories of “problem wells” and be able to choose appropriate methodology
to diagnose the cause of the problem,
 Understand the capabilities and limitations of various well intervention methods.
 Learn how to compile the required data into an easily understandable format.
 Learn how to prepare a well re-entry proposal, and how to allocate priority ranking to the action
proposed.

3 DAY COURSE AGENDA
DAY 1
UNDERSTANDING THE FIELD
 Before embarking on the rehabilitation of a mature oil field, it is important to have a thorough understanding of
the geology and structure of the accumulation, and the existence of any barriers to flow that may exist, as well as
the production history of individual wells on a reservoir basis.
 The properties of the reservoir fluids play an important part in the final planning process, as does the clay
mineralogy of each reservoir.
PRODUCTION HISTORY
 Graphical presentation of production parameters allows prediction of available recovery with a high degree of
confidence. Various methods of forecasting remaining recoverable reserves per producing zone per well are
presented.
 Depicting drained areas of each well on reservoir maps gives an insight of potential undrained sections of the
reservoir.
COMPILING THE DATA
 Demonstrate how a simple table showing well penetrations of petroleum bearing zones gives an overview of the
scope for increasing production, and the effort required to do so.
UNDERSTANDING THE PERFORMANCE OF WELLS
 An understanding of the fundamentals of inflow from the reservoir to the wellbore and outflow from the bottom
of the well to the surface is essential to the planning process.
 Radial flow through a porous medium is explained, and the impact of reduction of permeability near the wellbore
is demonstrated. The concept of skin is explained.
 The effects of various parameters on the flow through the tubing and flowline are discussed.
DAY 2
PROBLEMS ASSOCIATED WITH PRODUCED FLUIDS
 This topic will give an appreciation of the problems encountered during the producing life of a field, and an
understanding of the causes of these problems.
 The problems are caused by the physical change within one fluid, interaction between fluids, reaction between
fluid and steel, velocity, and bacteria.
 Participants will be able to predict the possible occurrence of scale, emulsion, wax, asphaltine, hydrates,
corrosion, erosion, finesand gain an understanding of the methods available to mitigate these problems.
CAUSES OF REDUCTION OF PRODUCTIVITY
 Every activity in the life of a well can cause a reduction of the potential flow rate due to reduction in permeability
of the reservoir rock. The concept of absolute and relative permeability is explained, and the causes of both are
described
FORMATION DAMAGE
 Causes of formation damage by drilling, completion, production, workover and stimulation are described, and
precautions to be taken to avoid or minimise the occurrence are given.

DAY 3
WELL MAINTENANCE/RESTORATION BASICS
 Any well not behaving as expected or is shut in is described as a problem well. Various indications for a well to be
categorised as a possible problem are introduced. The action that follows is similar to a medical condition:
investigate the problem, diagnose the cause, and perform the appropriate action to remedy the problem.
 After investigation, the options open are: do nothing (nothing wrong), investigate further, remedy without using a
rig, repair using a rig, recomplete on another zone, use the well other than as a producer (i.e. as an injection well),
or abandon the well.
INVESTIGATING AND DIAGNOSING THE PROBLEM
 Methods available to investigate behaviour of a well vary from a record search through sophisticated downhole
logging techniques to interference testing.
 Various tools and techniques are presented and discussed.
CREATING ACTION PLANS
 Equipment available for well intervention is introduced, and advantages/limitations addressed.
 Each well must then be examined to determine what action may be required, and a table compiled to give a
visual indication of the status of the well, the potential resources available, and how to access these resources.
 This topic demonstrates how to compile the action plan.
PREPARING THE INTERVENTION PROPOSAL
 A template for a proposal is presented which is the precursor of a detailed operation programme. The proposal
will contain all the data required to prepare the programme.
 It will also give a high and low forecast of:- the increase in production, the time to perform the job, and the
associated costs.
 With these estimates, a simple method of allocating a ranking value is presented.
 Wells can now be programmed and equipment allocated to give the best possible chance of a successful
outcome.

About your Expert Trainer: Paul Winchester
Paul has more than 40 years’ experience in all aspects of drilling and production gained from 17 years with Shell
worldwide in Production Engineering, 2 years as Field Production Manager in Central Australia with CSR Petroleum, and 2
years as Chief Petroleum Engineer with the Bureau of Mineral Resources (Canberra). Since then he has worked on many
diverse projects around SE Asia, mainly technical audits or field development feasibility and planning.
With his 40 years of experience worldwide, it has enabled him to see the big picture whilst taking into account the nuts
and bolts, but not being blinded by them. Frequently small, seemingly unrelated items have a large impact on the
outcome of a production plan. This has provided him with the ability to quickly assess situations, identify strengths and
weaknesses, propose improvements, programme actions, and supervise operations. His speciality is production
optimisation, field development/redevelopment/rehabilitation or abandonment, and technical audits, and considers
himself the quintessential trouble-shooter. Notable successes were Shell’s Odidi field Nigeria, BP-Arco (Indonesia)
offshore oil fields, Focus (Myanmar) oil fields, as well as many smaller fields in Australia and Asia. Most of these fields
achieved gains of 50 to 100%.
Paul graduated with a B.Sc. (Hons) in Mining Engineering from Nottingham University, is an active (25 year) member of
SPE, and is a past Chartered Professional Engineer.
TECHNICAL PAPERS PRESENTED AND PUBLISHED
 "Corrosion and scale in wet producing wells in the Idd El Shargi field offshore Qatar" - Materials and Corrosion
Meeting, The Hague, Holland, 1977.
 "Soft chalk stimulation" - Gulf Conference, Dubai, 1978.
 "Sand control in producing wells with emphasis on the Troll field" - Norwegian Institute of Engineers, Gol,
Norway, 1983.
 "Surface casing design considerations with emphasis on the Bass Basin" - APEA Journal No. 27, 1987.
 "Measured values of pore pressure and leak off pressures in the Bass Basin" - Tasmania Dept. of Mines, Report
1986/84, 1986.
 "A reserves reporting method to highlight EOR potential" - Enhanced Oil Recovery, Institute for International
Research, Jakarta, 1988 and at IEA Collaborative Project on EOR, 10th International Workshop and Symposium,
Stamford University, Ca., October 4-6 1989.
 "The cardinal rules of gravel packing to avoid formation damage" - SPE 19476, Asia Pacific Conference, Sydney,
1989.
 "Oil and gas exploration and development in environmentally sensitive areas" - Institution of Engineers Australia,
National Engineering Conference, Hobart, April 8-12 1991.
 "Planning for effective workovers" - Offshore Australia Conference, Melbourne, November 1991.
COUNTRIES WORKED: Algeria, UKCS, Holland, Belize, Nigeria, Brunei, Norway, Australia (NW Shelf, Cooper, Canning, and
Surat Basins), Papua New Guinea, Malaysia, Indonesia, Myanmar, Uzbekistan, Thailand, China, Afghanistan.

petroEDGE® delivers energy industry skills-based training courses in major cities around Asia, catering for every stage of your
organisation’s development path. Since our inception, we have provided wide range of management development training, business
strategy and technical skills training courses to over 100 leading international corporations and government establishments. Our
growing client profile:
Almansoori Wireline Services (Thailand) Maersk Drilling PT Perusahaan Gas Negara
Arabian Bridge Company for Oil Services Maersk Oil Qatar PT PLN (Persero) Kantor Pusat
Asetanian Marine Pte Malakoff Corporation Berhad PTT Exploration & Production
Bangladesh Oil, Gas & Mineral Corp Malaysia LNG PTTEP International Limited
Bergen Group ASA Malaysia Marine & Heavy Engineering PTTEP Iran Company Limited
BG Exploration and Production India Malaysia-Thailand Joint Authority PTTEP Oman Company
BJ Services Company Middle East Media Chinese International PVD Offshore Services Co.
BP Exploration & Operating Vietnam Mid-Continent Equipment Group Pte Ranhill Engineers & Constructors
BP Exploration Operating Company MISC Berhad Rhodia Asia Pacific Pte
BP Indonesia / Singapore & Vietnam Mitsui Oil Exploration Co. Repsol
Brunei LNG MMS (Insurance Brokers) Royal Norwegian Embassy
Brunei Petroleum Murphy Oil Corporation Sabah Shell Petroleum Co
Brunei Shell Petroleum Co National Healthcare Group Sapura Energy
Cairn Energy India Pty Nations Petroleum (SE Asia) Sapuracrest Petroleum Berhad
Carigali Hess Operating Co. Newfield Peninsula Malaysia Inc. Sarawak Shell Berhad
Carigali PTTEPI Operating Company Nipon Oil Exploration (Malaysia) Saudi Arabian Oil Company
CGG Veritas (M) Oceaneering International Saudi Basic Industries Corp
Charnavon Petroleum Offshore Geo-Surveys Schlumberger Oilffield (S) Pte
Chevron Asia South Optimal Chemicals (M) Scomi Oiltools
Chevron Thailand E & P Optimal Olefins (M) Shell Eastern Petroleum
CNOOC PC Vietnam Shell MDS (Malaysia)
Cuulong Joint Operating Company PCPP Operating Company Shell Saudi
Det Norske Veritas (DNV) As Pearl Energy (Nam Conson) Sime Darby Plantation Sdn Bhd
Det Norske Veritas Pte PERMATA Singapore Petroleum Co.
Dof Subsea Australia Pty Permata - PMTSB SN Aboitiz Power
DPS Bristol (M) Pertamina Learning Center S-Oil Corporation
Esso Malaysia Berhad PetroEnergy Resources Corp. Talisman Malaysia
ExxonMobil E & P Malaysia Inc. Petrofac Malaysia Limited Tately N.V.
First Gas Power Corporation Petroleum Insitute of Thailand Technip Geoproduction (M)
Genting Oil & Gas Petroleum Well Logging Co. Teknik Janakuasa
Geomechanics International Petrolux Temasek Holdings Pte
Greatwall Drilling Company PETRONAS Holdings Tenaga Nasional Berhad
Halliburton Energy Services, Inc. PETRONAS Carigali Thang Long JOC
Hercules Tanjung Asia PETRONAS Carigali Vietnam Limited TL Offshore
Hess (Thailand) Limited Petronas Dagangan Berhad Total (China) Investment Co. .
Hoang Long Hoan Vu JOC PETRONAS Gas TOTAL E&P Indonesia
Intisari Oildfield Service PETRONAS Methanol (Labuan) Trans Thai Malaysia
Intra Oil & Services Bhd PETRONAS Penapisan (Melaka) Transwater API
Japan Vietnam Petroleum Compan Petrousaha Engineering Services Tri-M Technologies (S)
Kavin Engineering & Svcs Pte Petrovietnam Drilling & Well Services Truong Son JOC
Kebabangan Petroleum Operating Co. Powertium Marine UMW Standard Drilling
KUFPEC Regional Ventures (Indonesia) Premier Oil Indonesia University New South Wales
Lam Son JOC PT Halliburton Indonesia Vastalux
Lion Rig Builder Pte PT Medco E&P Indonesia Vinyl Chloride (Malaysia)
Lundin Malaysia B.V. PT Pertamina (Persero) Head Office YTL Power International Berhad

IN-HOUSE TRAINING SOLUTIONS
petroEDGE®
focuses on skills development in 3 main areas – Engineering, Management and Strategy for Upstream
Exploration and Production Business.
Our In-House Training Solutions Team offer a full spectrum of short courses, curricular competency based solutions that
can be customised to your long term and short term business needs.
Types of In-House Programmes offered
FUNDAMENTAL PROGRAMMES
Introduction to Exploration & Production  Drilling Essentials  LNG Fundamentals
Introduction to FPSO  CBM & Shale Gas Technical Fundamentals
TECHNICAL PROGRAMMES
Operations Geology (Level 2)  Basin Analysis (Level 2)  HPHT Well Engineering
Deepwater Well Engineering  Deepwater Well Operations  Well Intervention
Well Integrity Management (Drilling & Production)  HAZOP Assessment & Leadership
HPHT Completions Techniques  Well Operations and Maintenance  Stuck Pipe Prevention & Fishing
Train-the-Trainer: Gas Processing Level 1  Train-the-Trainer: Gas Processing Level 2
MANAGEMENT & SOFTSKILLS PROGRAMMES
Technical Report Writing & Presentation Skills  Writing Standard Operating Procedures
EPCIC Contract Management Techniques  Advanced Budgeting & Forecasting in Oil & Gas
E & P Accounting  Finance for Non-Finance  Leadership & Team Dynamics
“TRAIN-THE-TRAINER” PROGRAMME
The "Train-the-Trainer" program has proven to be one of the most cost effective methods for embedding the process of
delivering and facilitating crucial training programmes within your organisation in terms for sustainable skills and
knowledge development.
“Train the Trainer” programme and its specific deliverables provide in-depth concept knowledge, instructor training,
and facilitation skills. This experience prepares select employees to become internal Program Leaders, licensed to teach
internally. The internal trainer can play a critical role in developing and implementing programs that align the
organization for success.
This programme will be a carefully designed approach for sustainable and effective organisational improvement. The
role-out will reflect the immediate on and on-going challenges faced within your organisation.
CURRICULUM DEVELOPMENT PROGRAMME SERVICES
With the constant changing of business environment and volatile economy, every company, big or small, needs to stay
abreast of the rapidly evolving developments and acquire new competencies in order to stay competitive. Our key pool
of trainers, industry experts and consultants are available to develop a Curriculum Development training programme to
help you attain relevant competencies in the area that is most needed.
To learn more, call us at +65 6741 9927 or email info@asiaedge.net

EARLY BIRD RATE
Register before
24
th
June 2016
STANDARD RATE TEAM DISCOUNTS
KUALA LUMPUR | MALAYSIA
25 – 27 July 2016
SGD 3,399 SGD 3,599
petroEDGE recognises the value of
learning in teams.
Group bookings at the same time from the same
company receive the following:
3 or more at 5% off
5 or more at 7% off
8 of more at 10%
All other promotions including early bird are
exclusive of the group discount.
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CANCELLATIONS & SUBSTITUTIONS
You may substitute delegates at any time. ASIA EDGE PTE LTD does not
provide refunds for cancellations. For cancellations received in writing
more than seven (7) days prior to the training course you will receive a
100% credit to be used at another ASIA EDGE PTE LTD training course
for up to one year from the date of issuance. For cancellations received
seven (7) days or less prior to an event (including day 7), no credits will
be issued. In the event that ASIA EDGE PTE LTD cancels an event,
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future ASIA EDGE PTE LTD event. This credit will be available for up to
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fortuitous event, Act of God, unforeseen occurrence or any other event
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but not be limited to: war, fire, labor strike, extreme weather or other
emergency.
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Rehabilitating Mature Oil Fields

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Rehabilitating Mature Oil Fields