5.0 Smart Well Intervention

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3rd Quarter 20063rd Quarter 2006

DEA(eDEA(e

) Meeting) Meeting

SMART INTERVENTIONSMART INTERVENTION

Jim McNicolJim McNicol -- Baker Oil ToolsBaker Oil Tools

Milan 7Milan 7--8 September 20068 September 2006

SPE #99121SPE #99121

Baker Oil Tools




In this context well intervention covers:In this context well intervention covers:

•• Workover Workover SystemsSystems

•• FishingFishing•• Casing Exit SystemsCasing Exit Systems

•• WellboreWellbore CleanupCleanup




One hundred years of developmentOne hundred years of development

•• Technology StaircaseTechnology Staircase



One Hundred Years of Catch ToolsOne Hundred Years of Catch Tools

Casing Hitch Type B Spear Devil ’s Steel Hand




Getting serious about the futureGetting serious about the future




•• Why?Why?



-- Closing the Technology GapClosing the Technology Gap

Tremendous strides have been made with downholeTremendous strides have been made with downholemeasurements in the drilling arenameasurements in the drilling arena

Drilling is the primary focus of much of the serviceDrilling is the primary focus of much of the service

industry regarding flat timeindustry regarding flat time Mature deepwater assets have reached equivalentMature deepwater assets have reached equivalent

cost structures across all operationscost structures across all operations

Elevated costs of operating in deepwater cross allElevated costs of operating in deepwater cross allfacets of a wellfacets of a well’’s lifes life

Flat time in the workover and reFlat time in the workover and re--completion arena is,completion arena is,

in many cases, now equal to drillingin many cases, now equal to drilling




What is the Concept?What is the Concept?

Utilize realUtilize real--time MWD data andtime MWD data and

well site optimization to providewell site optimization to provide

a new level of process controla new level of process control

•• Downhole toolsDownhole tools

•• Rigfloor displaysRigfloor displays

•• Experienced personnelExperienced personnel

Provides answers whileProvides answers while

performing the interventionperforming the intervention

operationoperation



Value & BenefitsValue & Benefits

PerformancePerformance

ImprovementImprovementOptimization of operationalOptimization of operational

parameters based onparameters based on

downhole feedbackdownhole feedback

Risk ReductionRisk Reduction Avoidance of unplanned Avoidance of unplanned

events causing NPTevents causing NPT

O p e r a t i o n a l P e

r f o r m a n c e

O p e r a t i o n a l P e

r f o r m a n c e

Technical LimitTechnical Limit

““ Hard LearningHard Learning””

from failures orfrom failures or

additional tripsadditional trips

““ LearningLearning”” fromfrom

downhole datadownhole data

during and afterduring and after

operations areoperations arecompletedcompleted

DaysDays



ThreeThree--level Approach to Optimizationlevel Approach to Optimization

ClientClient

Project InputProject Input

StandardOps Planning

Detailed Post-well

Analysis incl. MWD Data

Planning for

Optimization

Project CompletedProject Completed

to Client Objectivesto Client Objectives

New ProductDevelopment

RealReal--time Looptime Loop

Well to Well LoopWell to Well Loop

Engineering LoopEngineering Loop

Knowledge Management:Knowledge Management:

•• Lessons LearnedLessons Learned•• Performance GuidelinesPerformance Guidelines



New BHA TechnologyNew BHA Technology

PCM SubPCM Sub SentioSentioTMTM SubSub

•• Lengths (on smallest size BHA)Lengths (on smallest size BHA)

– – Power Communications MasterPower Communications Master ~~ 15 ft15 ft

– – SentioSentio SubSub ~~ 8 ft8 ft

•• Outer diameter Outer diameter

– – Slick over entire assembly for fishing applicationsSlick over entire assembly for fishing applications

Smart Intervention BHASmart Intervention BHA



The Case for Deepwater ImplementationThe Case for Deepwater Implementation

Initial Examples from the Gulf of MexicoInitial Examples from the Gulf of Mexico

•• Cased Hole Service ContributionsCased Hole Service Contributions

– – NPT risk reductionNPT risk reduction

– – Performance improvementsPerformance improvements

– – Cost reductionCost reduction

•• Operator BenefitsOperator Benefits

– – New level of control in high risk cased operationNew level of control in high risk cased operation

– – Realtime decision making capabilitiesRealtime decision making capabilities – – Remote viewing capabilityRemote viewing capability

– – Reduction of job timeReduction of job time



Casing Exit ObjectivesCasing Exit Objectives

•• Perform casing exit and drill open hole for rotary steerablePerform casing exit and drill open hole for rotary steerabledrilling assemblydrilling assembly

•• Utilize the downhole information to minimize the NPT risksUtilize the downhole information to minimize the NPT risksassociated with window millingassociated with window milling – – Main risks of NPT include:Main risks of NPT include:

•• Cutter DamageCutter Damage•• Cored MillsCored Mills

•• Early ExitEarly Exit

•• Estimate the DLS of the casing exit with downholeEstimate the DLS of the casing exit with downholebending moment databending moment data

•• Ascertain the accuracy of the theoretical DLS based on Ascertain the accuracy of the theoretical DLS based onthe whipstock geometrythe whipstock geometry



Whipstock DLS EstimateWhipstock DLS Estimate

Bending Moment Vs.

Estimated Dogleg Severity

0

10000

20000

30000

40000

50000

60000

11260 11265 11270 11275 11280 11285 11290 11295 11300 11305

Depth (ft .)

D o

w n h o l e B e n d i n g M o m e

n t ( K

f t - l b s .

0

1

2

3

4

5

67

8

9

10

11

E s t i m a t e d D L S ( ° / 1 0 0 ' )

Milling Pass 3 D Model Window milled from 11283 to 11305 ft



Casing Exit SummaryCasing Exit Summary

ReducedReduced NPTNPT risks by:risks by:

•• Optimizing Downhole Torque Variation to prevent twist off Optimizing Downhole Torque Variation to prevent twist off

•• Minimizing RPM variation (Stick Slip) to prevent mill damageMinimizing RPM variation (Stick Slip) to prevent mill damage•• Reducing WOB and ROP to prevent an early exitReducing WOB and ROP to prevent an early exit

•• Reducing impact energy on millsReducing impact energy on mills

– – Minimizes wearMinimizes wear

– – Extends lifeExtends life – – Improves reliabilityImproves reliability

•• Utilizing Bending Moment DataUtilizing Bending Moment Data

– – Window Quality Indicator Window Quality Indicator

– – DLS Indicator DLS Indicator



DeDe--Completion SummaryCompletion Summary

ReducedReduced NPTNPT risks by:risks by:

Providing the ability toProviding the ability to ““SeeSee”” downhole parametersdownhole parameters

Questions typically not answered in conventional fishingQuestions typically not answered in conventional fishingapplications were answered!applications were answered!

•• What kind of weight do you think we are pullingWhat kind of weight do you think we are pullingdownhole?downhole?

•• Do you think the fish is attached?Do you think the fish is attached?

•• What do we run next? I guess we will decide on theWhat do we run next? I guess we will decide on the

next BHA when we are out of the hole.next BHA when we are out of the hole.



DeDe--Completion AchievementsCompletion Achievements

•• Successfully retrieved anchor latch and saw 240 pound increase iSuccessfully retrieved anchor latch and saw 240 pound increase inn

downhole weightdownhole weight -- Increase not noted on weight indicatorIncrease not noted on weight indicator

Reduced NPT by allowingReduced NPT by allowingthe next BHA to bethe next BHA to be

evaluated and decidedevaluated and decided

upon, before fish was out ofupon, before fish was out of

the hole.the hole.

Confirmed downholeConfirmed downhole

overpull is not equivalent tooverpull is not equivalent to

surfacesurface

Verified downholeVerified downhole

overpull exceeded shearoverpull exceeded shear

valuesvalues

Downhole Tension Vs. Surface Over Pull

Realtime

0

10

20

30

40

50

60

70

80

90

100

0 20 40 60 80 100

Surface Over Pull [Klbs]

D o w

n h o l e

T e n s i o n R

e a d i n

g s

[ K l b s ]



SummarySummary

•• Delivering performance improvements throughDelivering performance improvements through

realtime optimizationrealtime optimization•• Providing answers to critical interventionProviding answers to critical intervention

questionsquestions

•• Enabling risk reduction and NPT reductionEnabling risk reduction and NPT reductionthrough enhanced process controlthrough enhanced process control

•• Adding value to cased hole operations Adding value to cased hole operations



The FutureThe Future

•• Every trip will meet its objective at theEvery trip will meet its objective at the

technical limittechnical limit

– – The adoption of high performance wellThe adoption of high performance well

intervention technologyintervention technology

– – Job specific programming in theJob specific programming in the downholedownhole systemsystem

– – Improved communication techniques to facilitateImproved communication techniques to facilitate

the Realthe Real--Time decision making processTime decision making process



ChallengesChallenges

•• Utilizing technology to provide answers to oldUtilizing technology to provide answers to old

questionsquestions

•• Field service cultureField service culture -- Experience vs. TechnologyExperience vs. Technology



Thank YouThank You

•• In closingIn closing……what other problems can be solvedwhat other problems can be solved

using this technology?using this technology?

•• Questions PleaseQuestions Please

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5.0 Smart Well Intervention