Culzean HPHT: Lessons Learnt From Maersk Oil UK’s 1st HPHT Exploration Well & Issues Related to Appraisal Planning Jim Manson, Culzean Drilling & Completion Team Leader 18 November, 2009
Presentation Outline
18 November, 2009
• Culzean Prospect Background Information • Culzean Exploration Well • Well Design Issues • Planning Issues • Results - High Level Summary & Lessons Learnt • Culzean Appraisal Well Planning • Appraisal Well Challenges & Objectives • Appraisal Well Design • Appraisal Keeper Wells? • Culzean Development Well Planning Issues
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Presentation Outline
18 November, 2009
• Culzean Prospect Background Information • Location, Geology, History Timelines, Challenges
• Culzean Exploration Well • Well Design Issues • Planning Issues • Results - High Level Summary & Lessons Learnt • Culzean Appraisal Well Planning • Appraisal Well Challenges & Objectives • Appraisal Well Design • Appraisal Keeper Wells? • Culzean Development Well Planning Issues
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18 November, 2009
Culzean Prospect Location
4
NO.
Marnock
Heron
UK.
242km from Aberdeen to Culzean Culzean Prospect: 49.99% Maersk Oil NS UK Ltd 16.9% ENI UK Ltd 17.1% Nippon UK 16% BP
10 km Elgin, Franklin & Shearwater
Jackdaw
HPHT Province with offset fields
18 November, 2009 5
(After Winefield et.al. 2005)
Culzean
22/25a-9z O/P circa 6500psi Temperature ~380 degrees F
Culzean Seismic Section West to East
Source: United Kingdom Discovery Digest. Special thanks to CGG Veritas
18 November, 2009 6
18 November, 2009
Culzean Prospect Timelines •
Exploration well 22/25a-1 drilled 1986 by BP
•
Dormont until operatorship transferred to Maersk Aug 05
•
Maersk Conceptual Planning/Discussions from 2002
•
Provisional Casing Design – June 05
•
Long Leads ordered May 06
•
Exploration Well, 22/25a-9/9Z •
Spud - May 08
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P& A – Dec 08
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Drilled utilising Ensco 101 HDJU Rig
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Appraisal Well Planning Started Jan 09
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Planned Two Well Appraisal Campaign
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18 month planning phase
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Planned Spud Appraisal 1 – Jul 10
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18 November, 2009
Culzean Exploration Well Challenges •
Limited offset wells – 22/25a-1 well drilled in 1986 by BP. Littered by drilling problems, failed to reach TD. Extensive well control issues , including classic wellbore breathing. Limited detailed information on this well.
•
High geological uncertainty.
•
High Pressure Uncertainty - BHP Range 17.0 ppg to 18.5 ppg emw
•
~380 deg F BHT.
•
Drill close to crest - Narrow window between PP & FG - potentially un-drillable!
OVERALL CHANCE OF DRILLING SUCCESS =53% Breakdown of 47% Drilling Risk of Failure: Risks 1 to 3 – Potentially too narrow and un-drillable drilling window 1. Aquifer Overpressure Greater than Predicted = 20% 2. Sand above the target reservoir =2.5% 3. Fracture Gradient Less than Estimated 4. Problematic Gas in Hidra =10%
=25%
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Presentation Outline
18 November, 2009
• Culzean Prospect Background Information • Culzean Exploration Well • Well Design Issues • Well Objectives • Non DST/Finder Well Rational • Well Design Options
• Planning Issues • Results - High Level Summary & Lessons Learnt • Culzean Appraisal Well Planning • Appraisal Well Challenges & Objectives • Appraisal Well Design • Appraisal Keeper Wells? • Culzean Development Well Planning Issues
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Culzean Exploration Well
18 November, 2009
Well Objectives •
Drill a safe and incident free well.
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Reach well planned TD.
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Penetrate all reservoir prospects.
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Successfully log all reservoir prospects.
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In success case, MDT pressures and samples over reservoir prospects.
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No Coring
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No DST to be carried out.
•
P&A.
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Culzean Exploration Well
18 November, 2009
Non DST/Finder Well Exploration Rational •
Chances of Exploration Success?
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Extra cost to include DST considerations in casing design. •
Final hole size drives well design. •
HPHT DST standard tools – 5” OD
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Test tools as close to perforations as possible ( well kill volumes & complexity if testing with a drilling liner)
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Thus preferred 8 ½” hole x 7” liner at TD for DST well.
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Heavier casing design required – HPHT Heavy vs HPHT Light
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Increased loads – Increase casing specification – Increased costs (10 ¾” 9 7/8” up to £1.0m more, 13 5/8” or 14” vs. 13 3/8”)
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DST Long Leads ~£1m
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Contingency tie-back string ~ £1m.
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DST planning – manpower and hours
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Total Cost Differential ~ £8m- £10m less for Non/DST Finder “Light” design
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18 November, 2009
Culzean Exploration Well
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Non DST/Finder Well Exploration Rational (Cont’d) Worked Example: Eg. Chance of Exploration Success - 1 in 7 or 14.3% Expected Cost to go to Development? HPHT Light/Finder (£M)
7 Exploration Wells 343 Test Exploration Well 0 1 Appraisal Well 59 Test Appraisal Well 19 Total To Go To Development 421 Cost Saving with Finder Exploration Concept
Conclusion:
HPHT Heavy (£M)
413 19 49 0 481 60
HPHT Light £49m/well HPHT Heavy £59m/well
Culzean Exploration - Non DST, P & A
Culzean Exploration Well Design Options : HPHT “Heavy” vs HPHT “Light” HPHT “Heavy”
18 November, 2009 13
HPHT “Light”
36” x 26” hole
36” x 26” hole
26” x 20” Conductor set @ 3000ft
26” x 20” Conductor set @ 1900ft
16” or 17 ½” hole 13 3/8” Intermediate casing set ~ 5,000ft to ~6,500 ft
16” or 17 ½” hole 13 5/8” Intermediate casing set ~ 11,000ft to ~12,000 ft 12-1/4” hole 9 7/8” Production casing set 12-1/4” hole
~13,500ft to ~14,000ft
10 ¾” x 9 7/8” Production casing set ~14,000ft to ~15,000ft
8-1/2” hole 7” Test liner set @ TD ~17,000ft
TD in 8 1/2” hole
Culzean Exploration Well Design Options : HPHT “Heavy” vs HPHT “Light”
18 November, 2009 14
Casing Setting Depths - Contingency HPHT “Heavy”
HPHT “Light” 16” or 17 ½” hole 13 5/8” Intermediate casing set ~ 11,000ft to ~12,000 ft 12-1/4” hole
12-1/4” hole 10 ¾” x 9 7/8” Production casing set ~14,000ft
9 7/8” Production casing set ~13,500ft to ~14,000ft
8-1/2” hole, 7 5/8” Drilling liner
8-1/2” hole 7” Drilling liner set @ ~14,400ft
6” by 7 5/8” SET , then 6” hole
6 5/8”” hole
5-7/8” hole 4 ½” Test liner set @ TD
TD in 6 5/8” or 6” hole
Culzean Exploration Well
18 November, 2009
HPHT “Heavy” Design Pro’s •
12 ¼” hole can be drilled deep into PTZ
•
Increased chance of higher FG at 9 7/8” shoe and TD in 8 ½” hole.
Con’s •
Slower to drill, heavier and more expensive design
•
Drilling hard abrasive Palaeocene & chalks in slower 16” or 17 ½” hole.
•
Increase volume OBM cuttings for containment
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Exploration Well Planning
18 November, 2009
HPHT “Light” Design – Chosen Exploration Well Design Pro’s • Slimmer, faster, cheaper design • Drilling hard abrasive Palaeocene & chalks in quicker 12 ¼” hole. • WBM 17 ½” section. • Possible further expandable liner option available just to reach TD objectives. • Possible further optimisation of deletion of separate 20” casing string.
Con’s • Due to weak Palaeocene/Tor formations, 12 ¼” hole cannot be drilled deep into PTZ. • Less chance of TD in 8 ½” hole. •
Not a problem – no DST or coring required.
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Presentation Outline
18 November, 2009
• Culzean Prospect Background Information • Culzean Exploration Well • Well Design Issues • Planning Issues • Results - High Level Summary & Lessons Learnt • Culzean Appraisal Well Planning • Appraisal Well Challenges & Objectives • Appraisal Well Design • Appraisal Keeper Wells? • Culzean Development Well Planning Issues
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Exploration Well Planning
18 November, 2009
Planning •
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Maersk HPHT Experience •
1st Maersk UK HPHT Exploration well.
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Gain knowledge & experience.
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Hire/Recruit
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Networking: HPHT Operators Forum, Conferences, Contacts?
Lead times – realistically >2 years, or more •
G & G review prospect – ? years
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Detailed casing/design iterations w/ G&G – 1year
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Lead time on bespoke equipment – 1 year.
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Integrated/Interdisciplinary Approach Essential.
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Service Providers into Team early.
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Management Of Stakeholders? •
Partners, Management, All Disciplines, HSE, Well Examiner
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Alignment, Inform, Draw on HPHT experience
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Presentation Outline
18 November, 2009
• Culzean Prospect Background Information • Culzean Exploration Well • Well Design Issues • Planning Issues • High Level Summary & Lessons Learnt • Culzean Appraisal Well Planning • Appraisal Well Challenges & Objectives • Appraisal Well Design • Appraisal Keeper Wells? • Culzean Development Well Planning Issues
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18 November, 2009 20
Culzean Exploration Well - High Level Summary Highlights • Challenging Prospect -53% Chance of Drilling Success @ Crestal Location. • Achieved planned well TD, meeting ALL Well Objectives. • Close to not achieving objectives through PTZ! • Narrow PPFG window , Utilised contingency 7 5/8” Liner to open up. • Milestones: • 9 7/8” Casing on depth, Well Cemented, Coped with High PP on bottom and loss zone above. • 7 5/8” , As Above.
Lowlights • 8 ½” Kick – Poor Offshore Practices and decision making – should have been better handled. • 17 ½” Hole – 13 3/8” Casing stood-up, section re-drill required.
18 November, 2009 21
Point of Note:
Just some of the PPFG Models !
HPHT Geological Surprises • Expect surprises. • Multiple PPFG Models • Plan for the extremes of PPFG – Pore cover all the bases! Pressure • Build in maximum flexibility in well design to achieve objectives. Depth • Gathered some information, but still many unknowns on prospect. Forties
Fracture Gradient
Lwr. Cretaceous Top Reservoir
Pressure (ppg)
Presentation Outline
18 November, 2009
• Culzean Prospect Background Information • Culzean Exploration Well • Well Design Issues • Planning Issues • Results - High Level Summary & Lessons Learnt • Culzean Appraisal Well Planning • Appraisal Well- Challenges & Objectives • Appraisal Well Design • Appraisal Keeper Wells? • Culzean Development Well Planning Issues
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Appraisal Well Planning Appraisal Well -Challenges & Objectives •
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Challenges •
Crestal Locations
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Still with major geological uncertainty •
one appraisal, one exploration well.
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Seismic formation top accuracy.
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Pore pressure uncertainty
Aquire sufficient key data for ascertaining economic development •
DST, Cores, Fluid Data, Log Data
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Sufficient data to proceed to project sanction.
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Aquire sufficient data for detailed development design.
18 November, 2009 23
Presentation Outline
18 November, 2009
• Culzean Prospect Background Information • Culzean Exploration Well • Well Design Issues • Planning Issues • Results - High Level Summary & Lessons Learnt • Culzean Appraisal Well Planning • Appraisal Well Challenges & Objectives • Appraisal Well Design • Appraisal Keeper Well? • Culzean Development Well Planning Issues
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Appraisal Well Design
18 November, 2009
• Exploration Well HPHT ”Light” Design & 12 ¼” TD • Achieved ”All” well objectives, still had one more contingency hole size available. • However, went too deep into PTZ w/ shallow 13 3/8” shoe. • Weak zone(s) in Paleocene (Forties) and/or top Tor. • Design incompatible w/ drive 9 7/8” shoe as deep as possible into PTZ.
• Exploration Well - Needed Contingency Liner Option to Negotiate PTZ. • Appraisal well - DST Required from multiple zones • Conclusion: HPHT ”Heavy” Design required with deep set 13 5/8” Casing. • Optimum setting depth for 9 7/8” shoe? As deep as possible, preferably the Valhall. • 13 5/8” shoe depth? To facilitate above.
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18 November, 2009 26
22/25a-9z Fracture Pressure in Tor 0.2
low resistivity high ROP higher porosity weaker formation
200
ft/hr
0
2
ohmm 20
200
Culzean Exploration Well Design Options : HPHT “Heavy” vs HPHT “Light” HPHT “Heavy”
18 November, 2009 27
HPHT “Light”
36” x 26” hole
36” x 26” hole
26” x 20” Conductor set @ 3000ft
26” x 20” Conductor set @ 1900ft
16” or 17 ½” hole 13 3/8” Intermediate casing set ~ 5,000ft to ~6,500 ft
16” or 17 ½” hole 13 5/8” Intermediate casing set ~ 11,000ft to ~12,000 ft 12-1/4” hole 9 7/8” Production casing set 12-1/4” hole
~13,500ft to ~14,000ft
10 ¾” x 9 7/8” Production casing set ~14,000ft to ~15,000ft
8-1/2” hole 7” Test liner set @ TD ~17,000ft
TD in 8 1/2” hole
Culzean Exploration Well Design Options : HPHT “Heavy” vs HPHT “Light”
18 November, 2009 28
Casing Setting Depths - Contingency HPHT “Heavy”
HPHT “Light” 16” or 17 ½” hole 13 5/8” Intermediate casing set ~ 11,000ft to ~12,000 ft 12-1/4” hole
12-1/4” hole 10 ¾” x 9 7/8” Production casing set ~14,000ft
9 7/8” Production casing set ~13,500ft to ~14,000ft
8-1/2” hole, 7 5/8” Drilling liner
8-1/2” hole 7” Drilling liner set @ ~14,400ft
6” by 7 5/8” SET , then 6” hole
6 5/8”” hole
5-7/8” hole 4 ½” Test liner set @ TD
TD in 6 5/8” or 6” hole
Appraisal Well Planning
18 November, 2009
HPHT “Heavy” – Chosen Appraisal Design Pro’s •
12 ¼” hole can be drilled deep into PTZ
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Thus increased chance of FG at 9 7/8” shoe enabling TD in 8 ½” hole. •
Implications of 7” Drilling Liner •
DST well kill distance from perforations.
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DST well kill volumes.
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DST multiple zone testing – mill packer or re-use.
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5 7/8” hole – limitations on logs , smaller core- limitations on modelling
Con’s •
Slower to drill, heavier and more expensive design
•
Drilling hard abrasive Palaeocene & chalks in slower 16” or 17 ½” hole.
•
Increase volume OBM cuttings for containment
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Presentation Outline
18 November, 2009
• Culzean Prospect Background Information • Culzean Exploration Well • Well Design Issues • Planning Issues • Results - High Level Summary & Lessons Learnt • Culzean Appraisal Well Planning • Appraisal Well Challenges & Objectives • Appraisal Well Design • Appraisal Keeper Wells? • Culzean Development Well Planning Issues
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Culzean Appraisal - Keeper Well?
18 November, 2009
Prize? • • •
~£80m/appraisal well , P & A ? + ~£80m/development well = £160m Keeper – Potential to save £15m to £30m/development well?
Issues? • •
Assumed dry tree development. No fully qualified & field proven HPHT MLT equipment. •
• • •
Alternative Shallow or Deep Tie-back options? Tie-back operations - Complex, multiple operations. Poor success in past. High risk of failure. Uncertainty on appraisal prospect – Size? Shape? Variability? Compartmentalisation? Upside? Downside? • •
•
Integrity at MLT? ( multiple use, MTM seal, Incaloy material, verticality etc.)
Appraisal surface location drives platform location? High risk of non-use , and potential high later abandonment costs.
Early installation of wellhead jacket ? – time & cost!
Conclusion? • • •
Tie-back Low Chance of Success, High Chance of Cost Over-Run P & A appraisal well. Review Keeper options for further potential appraisal wells.
•
HPHT Mudline tie-back? Alternative Approach? Service Sector?
Prize?
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Presentation Outline
18 November, 2009
• Culzean Prospect Background Information • Culzean Exploration Well • Well Design Issues • Planning Issues • Results - High Level Summary & Lessons Learnt • Culzean Appraisal Well Planning • Appraisal Well Challenges & Objectives • Appraisal Well Design • Appraisal Keeper Wells? • Culzean Development Well Planning Issues
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18 November, 2009
Development Well Planning Issues • Timelines • Earliest spud of development wells on critical path to 1st hydrocarbons • Depletion drilling challenges? • Earliest installation of wellhead jacket?
• Concurrent with appraisal planning and appraisal drilling.
• Still many unknowns • Size, Productivity, Homogeneity, Connectivity • Fluids
• Conceptual Casing & Completion Design • All the issues & input parameters • HPHT Light vs. HPHT Heavy!
• Knowledge & Experience?
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HPHT Wells - From perception to reality Main conference: 24th & 25th November 2010 Pre-conference workshops: 23rd November 2010 Venue: Ardoe House Hotel, Aberdeen
Reduce risk and deliver optimal operational success in your HPHT projects. Hear directly from leading experts on key strategies to: n Manage risk, plan for emergency response and assess the critical safety factors for HPHT operations - with insight from the HSE, Cameron McKenna and Marsh n Ensure wellbore stability while drilling - Chevron Upstream Europe share insight from the Erskine field n Customise QA/QC procedures for your HPHT project - with experience from the International Research Institute of Stavanger AS n Drive advances in completions for HPHT deep tight gas wells Lukoil Saudi Arabia Energy Ltd bring case study experience of both appraisal and exploration wells n Optimise HPHT well design: From concept to well construction hear from Ed Mcfadden, Independent Consultant Engineer Sponsors & Exhibitors:
www.hphtwells.com/slide
2010
t HPHTSors LIDEO 10% Di scount for & EquipConsultants – Quotement Provide rs HPHTS LIDEV
PROGRAMME
– Quote
CONFERENCE
20% Di for Opescount ra
A welcome note from the HPHT Programme Steering Committee… Dear industry colleagues, HPHT operations are integral to the growth of the oil and gas industry. Getting the most out of your HPHT operations requires continuous learning and refinement of techniques and technologies to push the envelope as we continue to explore new areas, face new challenges and capture opportunities. The Programme Steering Committee came together in Aberdeen for extensive discussions to draw up the key topics for the 2010 HPHT Wells Summit. We formulated an agenda with a number of new topics to cover this year including: n Suspension and abandonment of HPHT wells n Risk management, emergency response planning and safety of HPHT operations n HPHT well design: From concept to well construction n Effectively managing uncertainty in pore pressure, fracture gradient and the “transition zone” n Delimiting the operational limits on drilling, logging & testing tools Other major themes that have been highlighted for discussions at this year’s meeting include: n Well architecture and delivering a safe HPHT well n Well integrity challenges n Emerging technologies and technology gaps for HPHT n Operational considerations for HPHT well evaluations The conference format is unique and mixes presentations, panel discussions, roundtables and workshops to ensure that you are able to learn first-hand from the practical experience shared amongst both expert speakers and the wider delegate audience. We look forward to seeing you there. Andrew McHardy, Independent Consultant Grant Affleck, Weatherford Jean-Paul Stuyck, GDF Suez HPHT Wells 2010 Programme Steering Committee
The 2010 speakers & panellists include: Ed Mcfadden, Independent Consultant Engineer Grant Moody, HM Principal Inspector of Health & Safety, HSE Raid Bu-Khamseem, KEC Company Joerg Zaske, Senior Geophysicist, Chevron Upstream Europe Derek Charlton, HP/HT Drilling Manager, Maersk Oil Andrew McHardy, Independent Consultant & Well Examiner, Total Grant Affleck, Business Development Manager, Weatherford Stuart Cole, Manager, Technical Sales and Services, Vallourec Group
Tony Furniss, Regional Sales Manager, Enventure International LLC Craig Hendrie, Managing Director, Plexus Ocean Systems Steve Kirby, Drilling Engineer, Sasok Ltd John Munningstomes, Senior Risk Engineer – Upstream, Marsh Jan Burgess, Partner, Cameron McKenna R J Boocock, Consultant Petroleum Engineer Oddvar Skjæveland, VP Ullrigg Drilling and Well Centre, IRIS
Programme highlights for this year include: Industry breakfast with the HSE Thursday 25th November 2010, 7.45am Join the HPHT community for a breakfast meeting on the morning of the second day of the conference. During breakfast, you’ll hear directly from Grant Moody, HM Principal Inspector of Health & Safety, HSE who will deliver a brief presentation on ‘Challenging wells in the UKCS – a regulator’s perspective’.
Safety & risk management panel discussion This year, there is an exclusive interactive panel bringing together legal, risk, insurance, HSE and operator’s perspectives of key safety considerations for HPHT operations. Topics include: n Key considerations for environmental protection and pollution n Balancing risk and exposure n Response team planning: Emergency response and oil spill response considerations
Case study experience of HPHT deep tight gas wells
Lukoil Saudi Arabia Energy Ltd share insight into the process of optimisation for stimulation and production operations in a case study presentation of their drilling and completions experience in both exploration and appraisal wells in Saudi Arabia.
Telephone: +44 (0)20 7368 9300
Fax: +44 (0)20 7368 9301
Email:
[email protected]
Visit: www.hphtwells.com/slide
Interactive Workshops Tuesday 23rd November 2010
08.45 – 12.00
Interactive Workshop A:
Examine critical completions considerations and well integrity issues for HPHT environments This in-depth workshop will give you the opportunity to assess first-hand some of the most effective completions and well integrity challenges, and discover the techniques and strategies required to overcome them.
During the interactive discussions, you will have the opportunity to:
n Explore in detail the use of various HPHT completion techniques n Understand what the emerging technologies are in this space n Examine the critical aspects of HPHT well integrity n Address issues surrounding HPHT well integrity with application to life of well prediction n Gain insight into cementing practices and cement fatigue in HPHT wells n Measure corrosive formation fluids effects on: - Tubular integrity - Pressure barrier sealing performance - Well head seals - Downhole mechanical seals in packers
n Key considerations for cement sealing and structural integrity Workshop leader to be announced
12.30 – 15.30
Interactive Workshop B:
Understand the need for discipline integration with HPHT wells During this “hands-on” workshop, teams will work through an exercise to carry out a plan for well construction within a set scenario. Through this exercise, you will: n Define the challenges and being aware of “ripple on” effects of decisions made n Determine the players and their roles – possible shift in present organisation required n Engage in discussions as to why early buy-in from senior management is critical In order to maximise group participation, you will be split into teams. In your teams, you will work out a plan based around your scenario and then you will then report back to the whole workshop. Key considerations will include: n Bringing the ultimate goal of production back to the initial planning stage n Setting up a paper exercise of a well construction based on known reservoir conditions and having back-up plans to address possible surprises n Establishing guidelines for drilling team In this session, you will understand why thinking about the well objectives is critical to the well design. You will take into account the fact that if you only look at the drilling of the well (pressure integrity of the casing) rather than size, type and depth of the specific string, you may plan yourself into a corner with no room to adjust should higher pressures be encountered further up-hole. This could mean that you need to run another intermediate string and that could not be available or be wrongly sized to enable test tools to get to the depth required. You need to avoid having a drilled hole that nothing can fit in for evaluation purposes. Jointly a final plan is made complete with contingencies and objectives all agreed.
Sponsors & Exhibitors:
Led by R.J. Boocock, Consultant Petroleum Engineer
All of R.J. Boocock’s experience has been “hands-on” within the oil and gas industry, specialising in field development, reservoir engineering, production operations, optimisation and surveillance, drilling, completions, work-overs and contract negotiations. He has been heavily involved in training programs and produced manuals such as “Advanced Well Testing”, “Drilling and Geological Operations” and “Exploration Well Programmes”. He recently completed an assignment for GSPC doing well testing work in HPHT wells.
Baker Hughes delivers innovative, reliable products and services designed to help customers manage operating expenses, maximize reserve recovery and boost overall return on investment. Baker Hughes has been a technology leader in the oil and gas industry for over 100 years and continues to partner with operators to find solutions for progressively more complex technical challenges. A leading global oilfield service company with operations in over 90 countries and nearly 50,000 employees globally, Baker Hughes provides advanced products and services to help customers drill, evaluate, complete and produce oil and gas wells. Baker Hughes’ reservoir technology experts offer independent consulting services, geomechanics modeling, petroleum engineering and reservoir simulation services to achieve superior results that lower costs, reduce risk, improve productivity and increase ultimate recovery. At Baker Hughes collaboration is at the heart of our business. Our 23 local geomarket teams work side by side with customers to engineer reliable, application-specific products and services – whether the application is deep water, unconventional hydrocarbons or production and water management - and deliver technologies that improve operating efficiency and create more value from the reservoir. READ Well Services is a downhole technology specialist providing a variety of new downhole well construction, repair and well intervention services to the oil and gas industry. RWS’s expertise lies in its ground breaking Hydraulically Expandable Tubular System (HETS), Cased Hole Logging services (data acquisition and analysis) and Development and Engineering. Houston-based Enventure Global Technology, L.L.C., the world’s leading provider of SET® solid expandable technology solutions for the energy industry, has a global presence with operations in North America, the Middle East, South America, Europe and the Far East. Enventure’s SET® technology minimizes the tapering event in oil and gas wells by radially enlarging proprietary tubulars through a cold-drawing process. SET® systems are used in openhole and cased-hole environments to mitigate trouble zones, add casing points, remediate damaged casing and cover perforations. Weatherford International Ltd (WFT: NYSE) is the fourth-largest diversified upstream oilfield service company in the world. Our global network includes more than 34,000 people, 730 service bases, 87 manufacturing facilities, and 13 Technology Centers in more than100 countries. Our products and services span the lifecycle of a well, including drilling, evaluation, completion, production and intervention. The Company’s range of production enabling technologies include evaluation services, directional drilling services, controlled pressure drilling® (CPD®) systems, cased hole completion systems, expandable technologies, intelligent completion technologies, production optimisation systems and all major forms of artificial lift systems. Weatherford International Ltd, Tel: +44 (0) 1224 380180 Fax: +44 (0) 1224 241601Email:
[email protected] Web: www.weatherford.com Roundtable Sponsor: Vallourec & Mannesmann Oil & Gas UK (VMOG UK) manufactures casing and tubing to the highest industry standards, for the world’s most progressive oil companies. Over the last year, VMOG UK has been facilitating the upsurge in HP-HT activity in the North Sea through a project-based approach to the most extreme exploration projects ever seen, with extensive qualification testing and dedicated manufacturing quality plans. The expertise gained through supplying casing and tubing for Total’s Elgin-Franklin and Glenelg projects, and Shell’s Shearwater, Onyx and Aragorn projects (to name but a few) ensured that V&M has the extensive experience so vital to delivering success in HP-HT wells. In 2007, VMOG UK has supplied all of the casing and tubing for the highest pressure well ever drilled in the UKCS North Sea, from the 13 5/8” production casing through to the 3 1/2” sour service work-string for the well test. Vallourec Mannesmann Oil & Gas UK Office, Tel: +44 (0) 1224 279350 Fax: +44 (0) 1224 279341 Email:
[email protected] Web: www.vamservices.com /www.vmog.co.uk Plexus Holdings plc. is an AIM listed engineering and service business in the oil and gas industry based in Aberdeen. Plexus has developed and patented a unique method of engineering for oil and gas field wellheads and connectors, called POS-GRIP® Technology which involves deforming one tubular member against another to effect gripping and sealing. POS-GRIP Wellheads are the leading technology for HPHT exploration drilling and production due to their through-BOP and true metal to metal “HG” Seal capability. Plexus Ocean Systems Ltd, Plexus House, Burnside Drive, Dyce, Aberdeen, AB21 0HW, UK. Tel: +44 (0)1224 774222 Web: www.posgrip.com Email:
[email protected]
Conference Day One Wednesday 24th November 2010 08.30 Coffee and morning registration
12.15 Seated lunch and networking break
09.00 Chairman’s opening remarks outlining the HPHT
market overview
n Assess what has changed in the global offshore environment in the past 12 months and understand the impact on HPHT operations in the future n Global insights into HPHT projects n New technologies and pushing the envelope with HPHT operations 09.30 Examine advances in completions for HPHT deep tight gas
wells through insight into the process of optimisation for stimulation and production operations
n Explore Luksar’s testing and completion challenges in the first exploration stage n Assess how Luksar are advancing in completion and testing for A-1 & F-2 exploration wells n Lessons learnt and the way forward for T-4 appraisal well Raid Bu-Khamseen, KEC Company 10.15 Icebreaker networking and problem solving session In this interactive session, delegates will be assigned a team to work with in order to solve a set scenario. In these teams, you will take the time to talk through the proposed scenario and evaluate the challenges, risks and opportunities you would be likely to come across. Each team’s spokesperson reports their findings back to the wider delegation. 10.45 Coffee and networking break
FOCUS ON HPHT SAFETY for HPHT operations
A panel of health and safety and risk experts will kick off by delivering short 10 minute overviews where they briefly share their perspective on what 2010 going forwards means for managing HPHT operational safety and risk management. 11.15 The regulator’s perspective n Understand key safety considerations for HPHT operations and ensure that your safety strategies are robust for 2010 going forwards n Examine requirements for the operators’ compliance with safety regulations for HPHT operations n Understand the importance of promoting a safety culture Grant Moody, HM Principal Inspector of Health & Safety, Health and Safety Executive (HSE)
The legal perspective
What are the legal requirements for HPHT drilling safety and risk? Examine key considerations for environmental protection and pollution Mitigating risks and compliance Jan Burgess, Partner, CMS Cameron McKenna
11.35 The risk and insurance perspective n Ensure that you are effectively prepared when it comes to emergency response and oil spill response n Understand key considerations for balancing risk and exposure n Explore what is required of the operator from the insurer’s perspective John Munningstomes, Senior Risk Engineer – Upstream, Marsh 11.45 Interactive panel debate and Q&A session You’ve heard the different perspectives from the HSE and risk professionals. Now it is your opportunity to raise your questions and put forward any challenges and concerns directly to the panel of experts. Interactive panellists: Andrew McHardy, Well Examiner, Total & Independent Consultant Jan Burgess, Partner, Cameron McKenna John Munningstomes, Senior Risk Engineer – Upstream, Marsh Grant Moody, HM Principal Inspector of Health & Safety, Health and Safety Executive (HSE)
Telephone: +44 (0)20 7368 9300
n n n n
abandonment of HPHT wells
Examine the legislative and guideline background Understand the technical challenges involved and the required technologies Assess your tubing and cementing requirements Explore the major environmental considerations surrounding this complex area Steve Kirby, Drilling Engineer, Sasok Ltd
14.00 Gain insight into the geophysical challenges at the depleted
HPHT Erskine Field, North Sea
Gain insight into the Erskine Field, a depleted HPHT gas condensate accumulation located on the western margin of the East Central Graben, Central North Sea, UKCS. This presentation will give you insight into: n The challenges with wellbore stability while drilling, integrity due to significant liner deformations and sanding issues n The geophysical and geomechanical studies conducted over the last couple of years, their applicability to HPHT reservoirs and the challenges to implement modern geophysical tools at a mature field n The identification of high risk areas for wellbore integrity of existing wells and for the optimisation of potential infill well locations, changes in mud window during drilling and completion integrity Joerg Zaske, Senior Geophysicist, Chevron Upstream Europe 14.45 Coffee and networking break
11.15 Emergency response planning and critical safety factors
11.25 n n n
13.15 Carry out effective planning for the suspension and
Fax: +44 (0)20 7368 9301
15.15 BLUE SKY THINKING - TECHNOLOGY REQUIREMENTS
ROUNDTABLE SESSION
This interactive session will see the delegate audience split into two groups. This is your opportunity to voice your opinion on technology gaps and industry requirements for your forthcoming HPHT projects.
GROUP A: Expandable technology requirements
n Gain insight into “Hot off the press” new technology n What does the industry require for expandable technology developments? n Explore effective strategies for the application of expandables in HPHT environments Led by: Tony Furniss, Regional Sales Manager, Enventure International LLC
GROUP B: Casing and tubing requirements
n Casing and tubing requirements for HPHT depleted zones n Selecting the appropriate materials and connections n Casing with drilling applications – gain insight into developments Led by: Stuart Cole, Manager, Technical Sales and Services, Vallourec Group 16.30 Chairman’s close and end of day one 17.00 Networking drinks reception Join your peers in a relaxed and informal setting for this excellent networking opportunity. This is a fantastic way to establish contacts early on at the conference and to strengthen relationships with existing contacts.
Email:
[email protected]
Visit: www.hphtwells.com/slide
Conference Day Two Thursday 25th November 2010 07.45 HPHT industry breakfast with the HSE Join your peers from the HPHT community for an industry breakfast meeting. You can take this opportunity to catch up with your contacts informally whilst enjoying a full English breakfast and bacon rolls. During breakfast, you’ll hear directly from Grant Moody, HM Principal Inspector of Health & Safety, HSE who will deliver a brief presentation on ‘Challenging wells in the UKCS – a regulator’s perspective’.
13.45 Testing and qualification of equipment for extreme applications n Customising QA/QC procedures for your HPHT project n Explore how technology and materials can better withstand hostile HPHT conditions n Specification and design of equipment: Managing risk in the design process n Ensuring your equipment is fit-for-purpose: From raw materials to manufacture Oddvar Skjæveland, VP Ullrigg Drilling and Well Centre, International Research Institute of Stavanger AS
08.30 Coffee and registration
14.30 Addressing the many challenges of HPHT well evaluations HPHT wells offer an opportunity to shift the paradigm while adjusting the mindset to cope with the current technological limitations. Success is often measured through the pre-determined KPIs which can fail to encompass the need for a fully integrated approach. In this session, you will explore how: n Understanding past failures in reservoir management can provide the key to future success stories n Well planning needs to be all encompassing and deal with all aspects from location, trajectory, well construction, drilling and completion fluid systems to available evaluation tools n HPHT environments not only affect the drill bit selection and downhole steerable assemblies, but also the reservoir properties and test tools as well. Test programmes need to apply a suite of achievable objectives and a clear understanding of the effects of time and temperature on downhole logging and test tools n Good planning with sufficient lead time can make all the difference R J Boocock, Consultant Petroleum Engineer
09.00 Chairman’s welcome 09.15 Exploring HPHT well design: From concept to well construction n Explore effective strategies to ensure that you have clear well objectives n Understand how allowing for uncertainty in pore pressure, fracture gradient and the “transition zone” predictions is key to the success of your well construction n Understand why casing shoe points and casing strategy is as important as detailed casing design n Examine the “lack of accurate data” paradox Ed Mcfadden, Independent Consultant Engineer 10.00 HPHT logging: Going the extra mile n New techniques extend the valid operating envelope n Data from case studies in Gulf of Mexico and North Sea n Increases in operating efficiency Grant Affleck, Business Development Manager, Weatherford 10.45 Coffee and networking break 11.15 Interactive panel discussion: Identifying technology gaps
for HPHT completions
n Understanding fluid selection for your completions projects n Seals and tubular integrity – key technology gaps n Explore pore pressure projects n Key considerations for polymers and metallurgy n BOP considerations Interactive panellists: Derek Charlton, HP/HT Drilling Manager, Maersk Oil Andrew McHardy, Well Examiner, Total/ Independent Consultant Ed Mcfadden, Independent Consultant Engineer 12.00 Gain insight into requirements for friction grip
technology and solid metal seals for HPHT surface and subsea wellheads
n Explore current industry standards for wellheads n Establish what makes a product fit for purpose for HPHT drilling and explore testing and qualification procedures n Gain insight into key case studies on HPHT wellhead experience Craig Hendrie, Managing Director, Plexus Ocean Systems
15.15 Coffee and networking break 15.45 Group competition of the well construction process During this group session, the delegation will be split into teams to build an ideal well in a given scenario. You will: A) Consider what is currently available to you B) Identify any current technology gaps 1) Planning tools - integrated planning, hydraulics, real time to actual comparisons 2) Rig capacity - size, onboard mud coolers fluid capacity, MPD spread, (And total number of “capable” rigs) 3) Drilling tools - downhole equipment premium threaded components, etc 4) Fluids - weight, rheology, variable behaviour with heating / cooling cycles, control with mpd 5) Cement - design, testing, “foams” 6) Casing - steels etc 7) Completions - tools transferring conventional technology to ht domain 8) Well test - special tools, differing test patterns 9) Logging - real time vs. recorded vs. wireline, new developments This group exercise is created to determine the difference between the actual edge of the current envelope, and the theoretical limit of upcoming potential wells. 16.30 Chairman’s close and end of conference
12.45 Lunch and networking break
Event partnership opportunities Make the most of this unique opportunity to further your business development and marketing in the HPHT marketplace. Through tailored networking, sponsors can achieve the face-to-face contact that overcrowded trade shows cannot deliver. Sponsorship options are extensive and packages can be tailor-made to suit your company’s individual needs. Most packages include targeted marketing to over 10,000 HPHT professionals and tailored networking opportunities. For further information on exclusive profiling at the 2010 HPHT Wells Summit please call us on +44 (0) 20 7368 9300 or e-mail
[email protected]
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Main conference: 24th & 25th November 2010 Pre-conference workshops: 23rd November 2010 Venue: Ardoe House Hotel, Aberdeen Registration Form To speed registration, please provide the priority code located on the mailing label or in the box below. My registration code is HPHTSLIDE0 HPHTSLIDEV
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