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Workshop Abstract

Underbalanced drilling (UBD) is a very useful technique to drill wells in order to minimiseformation damage that is common in conventional overbalanced drilling operations andenhance reservoir characterisation during drilling. In addition to minimising formation damageand enhancing reservoir characterisation, other benefits related to UBD can be obtainedrelated with drilling performance such as an increase in penetration rate, the elimination of lostcirculation problems, and differential pipe sticking. UBD is not a new technique, and numeroussuccessful projects have been executed both globally as well as regionally in the MiddleEast. Global industry adoption of the technique however, remains low, and many continueto refer to UBD as a niche technology. Are the reservoir related benefits poorly understood?Have the correct reservoir candidates been drilled underbalanced? Are the operational risksunderstood adequately, or is the technique deemed too risky? Is the value derived from UBDhigh enough to warrant its use? In this workshop we will endeavor to discuss these questionsand uncover the issues that may lead to universal adoption of UBD. The workshop will reviewthe progress made in the application and deployment of the technology over the years, and

will be used to update operators, drilling contractors and service suppliers understanding ofthe value delivered by all aspects of UBD. The programme will also include discussion aboutthe HSE considerations on UBD operations and several case studies from the Middle East andworldwide.

What is UBD?When this technique is properly executed, the pressure in the column of drilling fluid is,intentionally, maintained below the formation pressure. In the case of a reservoir where thepore pressure is less than the specific gravity of static oil, the density of the drilling fluidcan be reduced by injecting gas. The application of UBD has permitted the commercialdevelopment of numerous gas and oil reservoirs worldwide. UBD is increasingly used toreduce near wellbore formation damage problems in oil and gas producing formations,

however, it is not necessarily a panacea for all formations. If implemented properly, UBD canincrease oil and gas well profitability by reducing invasive formation damage to maximiseproduction rates. UBD has only become possible as a result of the integration of manydeveloping technologies that facilitate directional control of the well trajectory, control of thebottom hole circulating pressure, and the safe handling of drilling fluids and drill cuttings onsurface.

Committee Members

Co-Chairperson

Naser A. Al OtaibiSaudi Aramco

Co-Chairperson

Paco Viera

Weatherford

Alan Iravani

Grant Prideco

Faisal H. Alghamdi

Saudi Aramco

Ferda Akgun

Petroleum Institute

Gavin Humphreys

Stena Drilling

Ghassan Ali Al Muhanna

BAPCO

Mansour Shaheen

Baker Hughes

Martin Culen

Blade Energy Partners

Mustafa Mert Erbil

Schlumberger

Nick Nawfal

Baker Hughes

Pascal Aviengne

ADCO

Steve William Nas

Scandpower Petroleum Technology

SPE Applied Technology WorkshopUnderbalanced Drilling:From Niche to Universal Adoption?

46 February 2013 | The Address Dubai Marina Hotel | Dubai, UAE

Society of Petroleum Engineers

www.spe.org/events/12adu8

Who Should Attend

Drilling Engineers Drilling Managers Production Engineers Reservoir Engineers Rig Engineers

Early Bird Registration Deadline:

21 December 2012


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Underbalanced Drilling: From Niche to Universal Adoption?

Schedule

Monday, 4 February 201317001800 hours Introduction to Underbalanced Drilling

This 1 hour lecture is intended for workshop attendees who are not familiar with Underbalanced Drilling to gain afundamental knowledge of the technique. This knowledge will aid attendees participation in the detailed discussions tofollow18001900 hours Pre-Workshop Networking Hour

Tuesday, 5 February 2013

08000830 hours Seating/Safety Briefing by Hotel and Co-Chairpersons/Committee Introduction

08301200 hours Session 1: Underbalanced HSE

Session Chair: Faisal H. Alghamdi, Saudi Aramco

In the last decade, UBD has seen an increasing utilisation in the Middle East and throughout the world. But inspite ofthis technique evolving to overcome many challenges and managing to gain a level of acceptance among the operatingcompanies, it is still regarded as a niche application. There are many cases where a huge upside potential justifies theperceived higher risk of an underbalanced drilling operation. The goal of this session is to showcase how successful UBDprojects have managed the HSE aspect of the operation and to discuss how the HSE management plan has become oneof the key elements that is addressed in the front-end engineering of every new UBD project. This approach will ultimatelycontribute to extending the operating envelope of UBD by decreasing the residual operating risk level in its applications.

12001300 hours Luncheon

13001600 hours Session 2: Maximising ValueCandidate Selection for UBDSession Chairs: Martin Culen, Blade Energy Partners; Pascal Aviengne, ADCO

Underbalanced drilling is a process that is not applicable to all reservoirs. Identification of suitable candidates earlyin the planning process contributes not only to the success of the drilling operation, but also to longer term well andreservoir performance. In this session we will explore what are the key criteria considered and how they are combined inthe selection process. We will also look at how the main value drivers impact well economics and serve to optimise welldesign.Wednesday, 6 February 2013

08301200 hours Session 3: Advantages and Limits of Logging Operations on UnderbalanceOperationsSession Chairs: Nick Nawfal, Baker Hughes; Paco Viera; Weatherford

The measurement of formation properties during drilling is vital for any field exploration and development. It is the way theindustry gathers required information to evaluate different formations, from the surface to the deepest reservoir. It definesthe most efficient way to access and exploit existing oil and gas reserves. The data generated feed the requirements ofdifferent groups and specialties. During underbalanced drilling operations non-conventional drilling fluids, like gasifiedfluids, are normally utilised which can restrict the use of certain type of logging mechanisms. This session discusses thechallenges of logging operations while drilling underbalanced and the valuable information that can be obtained using this

technology.12001300 hours Luncheon

13001600 hours Session 4: Service Equipment ChallengesSession Chair: Mansour Shaheen; Baker Hughes

Surface equipment design and setup are two of the most critical elements in ensuring an efficient and safe underbalanceddrilling standalone operation. Since the introduction of underbalanced drilling in the late 80s, a few early attempts weremade to tackle the simplest well designs using a mix and match set of equipment to achieve the objectives, but poorperformance limited the growth of the application. At the time the poor economics associated with underbalanced drillingand the fact that well designs had to be compromised to meet the limited capabilities of the surface equipment madeconventional drilling the safer, more attractive method of well construction.

In the last few years some long term technically challenging underbalanced drilling campaigns in North America and theMiddle East have led to the development of new fit-for-purpose equipment. This new equipment exhibits improvedefficiency which in turn extends the operating envelope to cover almost all types of wells and improves underbalanceddrilling economics. Currently, the luxury of choice between either a hybrid unit or a coiled tubing drilling rig supported withstate-of-the-art data acquisition systems exists. These data acquisition systems permit online KPI monitoring which in turnallows real-time adjustment of operational parameters to achieve an excellent level of drilling control. These technologicaladvancements in underbalanced drilling now make a comparison with conventional drilling meaningful from an economicstandpoint. The additional benefit of the improved well productivity associated with underbalanced drilling magnifies theoverall value of this drilling technique.

Closing the performance gap between standalone units and conventional drilling methods will facilitate the transition ofunderbalanced drilling from a niche service to a universally accepted alternative.

Sponsorship Support

Sponsorship support helps offset the

cost of producing workshops and allows

SPE to keep the attendance price within

reach of operations-level individuals,

those who benefit most from these

technical workshops.

Sponsors benefit both directly and

indirectly by having their names

associated with a specific workshop.

While SPE prohibits any type of

commercialism within the conference

hall itself, the society recognises that

sponsoring companies offer valuable

information to attendees outside the

technical sessions.

Sponsorship Categories

Sponsorships are offered on a first come

basis. Please contact SPE to verify the

availability of a particular sponsorship.

Existing sponsors have the opportunity

to renew the same level of sponsorship

for annual workshops.

Gold Sponsorship

Silver Sponsorship

Bronze Sponsorship

Welcome Reception and Dinner LuncheonsPer Day

Coffee BreaksPer Day

Audio-Visual Equipment

Sponsorship Benefits

In addition to on-site recognition; SPE

will recognise sponsors on the SPE

website and in all printed material for the

workshop. Based on the sponsorship

selected, sponsoring companies also

receive logo visibility on promotional

workshop items.

For More Information

For a detailed list of available

sponsorships, including benefits and

pricing, contact Regina Alphoso at

[email protected].

SAVE USD 700

BY REGISTERING

BEFORE

21 DECEMBER 2012

Bronze Sponsor


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www.spe.org/events/12adu8General Information

Workshop VenueThe Address Dubai Marina HotelP. O. Box 32923, Dubai, UAETel: +971.4.436.7777

Fax: +971.4.436.7788

Web: www.theaddress.com

Workshop Guidelines

FormatTwo (2) days of informal discussions prompted by selected keynote presentations and discussions. Workshops maximise the exchangeof ideas among attendees and presenters through brief technical presentations followed by extended Q&A periods. Focused topicsattract an informed audience eager to discuss issues critical to advancing both technology and best practices. The majority of thepresentations are in the form of case studies, highlighting engineering achievements and lessons learnt. In order to stimulate frankdiscussion, no proceedings are published and the press is not invited to attend.

Breakout SessionsAttendees will be assigned to discussion groups on a random basis for the break-out sessions to maximise the opportunity to interactwith other participants.

Documentation Proceedings will not be published; therefore, formal papers and handouts are not expected from speakers. Work in progress, new ideas, and interesting projects are sought.

Professionally-prepared visual aids are not required; handwritten view graphs are entirely acceptable. Note-taking by participants is encouraged.

Poster SessionThe Steering Committee encourages registrations from professionals who are able to prepare and present a poster on a relevant project.For further details kindly contact Regina Alphonso, event coordinator, at [email protected]. Posters will be judged and the best posterwill be awarded by the workshop steering committee.

AttendanceRegistrations will be accepted on a first-come, first-serve basis. The Steering Committee encourages attendance from those who cancontribute to the workshop most effectively either in discussions or with posters. A mix of attendees in terms of geographic origin,companies and disciplines will be encouraged.

Workshop Deliverables The Steering Committee will appoint a scribe to record the discussions and to produce the full workshop report for SPE.

This report will be circulated to all attendees as the workshop deliverable within 46 weeks following the workshop. The copyright ofthe report is with SPE.

PowerPoint presentation materials will be posted on a specific SPE URL address after the workshop. Provision of the materials by the speakers will signify their permission for SPE to do so.

CommercialismIn keeping with ATW objectives and the SPE mission, commercialism in posters or presentations will not be permitted. Company logosmust be limited to the title slide and used only to indicate the affiliation of the presenter and others involved in the work.

Attendance CertificateAll attendees will receive an attendance certificate attesting to their participation at the workshop. This certificate will be provided inexchange for a completed Workshop Questionnaire.

Continuing Education UnitsAttendees at this workshop qualify for SPE Continuing Education Units (CEU) at the rate of 0.1 CEU per hour of the workshop.

Registration InformationThis is a nonresidential workshop. The registration fees include all workshop sessions, materials, daily coffee breaks and luncheons,certificate of Continuing Education Units (CEU), and welcome reception and dinner (if applicable). The registration fees are as follows:

Before 21 December 2012: USD 1,150 SPE Member USD 1,350 NonmemberAfter 21 December 2012: USD 1,850 SPE Member USD 2,050 Nonmember

Cancellation and Refund Policy A processing fee of USD 100 will be charged for cancellations received before the registration deadline 4 January 2013. For cancellations received after the registration deadline, 4 January 2013, 25% refund will be made to the registrant. No refund on cancellations received within seven (7) days prior to the workshop date, i.e. on or after 28 January 2013. No refund will be issued if a registrant fails to attend the workshop.

Registration Policy Registration fee MUST be paid in advance for attending the Applied Technology Workshop. Full fixed fee is charged regardless of the length of time that the registrant attends the workshop. Fixed fee cannot be prorated or reduced for anyone (workshop chairpersons/co-chairpersons, committee members, speakers,

discussion leaders, students and registrants). Attendees are expected to attend all workshop sessions and are not permitted to attend on a partial basis. Delegates with no proof of advance payment are required to pay on-site by cash or cheque, present a copy of the wire transfer or

submit a letter from their company guaranteeing payment of the workshop fees.

PLEASE USE INSIDE FORM FOR REGISTRATION

Registration Deadline: 4 January 2013


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REGISTRATION FORM

46 February 2013 | The Address Dubai Marina Hotel | Dubai, UAE

Underbalanced Drilling: From Niche to Universal Adoption

12ADU8

Important: Attendance is limited and is not guaranteed. Early registration is recommended. Please print or type in black ink.

Registration Fee MUST be paid in advance for attending the Applied Technology Workshop.

First Name/Forename _________________________________________________ Middle Name __________________________________________________

Last/Family Name _______________________________________________________________________________________ SPE Member? Yes No

Member No. _________________________________________ Job Title ____________________________________________________________________

Company/Organisation ______________________________________________________________________________________________________________

Street or P.O. Box Number ____________________________________________________________________ City __________________________________

State/Province __________________________________ Zip/Postal Code __________________________ Country __________________________________

Telephone ___________________________________________ Facsimile

Email (required) ___________________________________________________________________________________________________________________

Do you wish to present a poster? (subject to selection) Yes NoDo you wish to be considered a Discussion Leader? (subject to selection) Yes No

If yes, please indicate which subject you would like to present on:

Credit Card (Check One):American Express MasterCard Visa

NO REFUNDS will be granted on cancellations on or after 28 January 2013.

Card Number (will be billed through Society of Petroleum Engineers) Expiration Date (mm/yy) Security Code

Name of Credit Card Holder (printed) ________________________________________________________________________________________________

Signature: (required) _________________________________________________________________________ Date ______________________________

Please inform us of mobility or special dietary needs ____________________________________________________________________________________

Payment by Bank Transfer: IMPORTANTFor reference: Please quote 12ADU8 and name of delegate

Make Payment to: HSBC Bank Middle East Ltd, Jebel Ali Branch, P.O. Box 66, Dubai, UAE

Account Name: SPE Middle East DMCC Account Number: 036-217131-100 Swift Code: BBMEAEAD

IBAN CODE: AE180200000036217131100

Cancellation and Refund Policy: A processing fee of USD 100 will be charged for cancellations received before the registration deadline 4 January 2013.

For cancellations received after the registration deadline, 4 January 2013, 25% refund will be made to the registrant.

No refund on cancellations received within seven (7) days prior to the workshop date, i.e. on or after 28 January 2013.

No refund will be issued if a registrant fails to attend the workshop.

Visa:

SPE Middle East, North Africa, and India will assist in providing a visa invitation letter, upon request in writing, to confirmed registrants after receiving full payment of registration fees.Visa invitation letters take five days to issue from the date of request and it is the delegates responsibility to obtain their own visa. SPE cannot issue the visa nor can we guarantee it

will be obtained.

For questions or additional information contact: Regina Alphonso at [email protected].

To submit your registration online, please visit the events website at: www.spe.org/events/12adu8Alternatively, you can email this form to: [email protected], or fax it to: +971.4.457.3164.

Workshop Fee includes: Technical sessions, materials, daily coffee breaks and luncheons, certificate of Continuing Education Units (CEU), andwelcome reception and dinner (if applicable). Accommodation is NOT included in the workshop registration fee.

IMPORTANT:All SPE Middle East rates are net of taxes. The fees in this form do not include any local or withholding taxes. All such taxes will beadded to the invoice.

Workshop Fee: Before 21 December 2012 USD 1,150 for SPE Members USD 1,350 for Nonmembers

After 21 December 2012 USD 1,850 for SPE Members USD 2,050 for Nonmembers

Not an SPE Member?

Join SPE when you register and

save money by paying the lowermember registration fee.

A portion of your dues isallocated to a JPT subscription

and is not deductible or refundable.

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