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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
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SMART INTERVENTIONSMART INTERVENTION
In this context well intervention covers:In this context well intervention covers:
•• Workover Workover SystemsSystems
•• FishingFishing•• Casing Exit SystemsCasing Exit Systems
•• WellboreWellbore CleanupCleanup
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SMART INTERVENTIONSMART INTERVENTION
One hundred years of developmentOne hundred years of development
•• Technology StaircaseTechnology Staircase
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One Hundred Years of Catch ToolsOne Hundred Years of Catch Tools
Casing Hitch Type B Spear Devil ’s Steel Hand
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SMART INTERVENTIONSMART INTERVENTION
Getting serious about the futureGetting serious about the future
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SMART INTERVENTIONSMART INTERVENTION
•• Why?Why?
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-- 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
SMART INTERVENTIONSMART INTERVENTION
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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
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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
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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
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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
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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
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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
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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
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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
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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.
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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 ]
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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
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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
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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
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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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