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 [email protected]. 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.

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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 [email protected]






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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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Rehabilitating Mature Oil Fields