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Retrofit Intelligent Well Technology
Paul Lynch
Advanced Completions Director
28/06/2018
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Wireless Communications
▪ No Cables
▪ No Control Lines
▪ Limited Downhole Jewellery.
The industry requires a reliable range of wireless communication methods downhole to compliment surface capability
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Downhole Wireless Communications
© CEphoto, Uwe Aranas
Credit: www/webwormcpt.blogspot.com/2008/01/tube-
rupture-pressure-relief-valve-psv.html
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Downhole Wireless Communications
© CEphoto, Uwe Aranas
Credit: www.ECCV.com
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Downhole Wireless Communications
Credit: www.ic.pro-quip.no
Credit: www.corelab.com/owen
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Downhole Wireless Communications
Traditional methods - Binary outcome
▪ Tool functions….
▪ Or it doesn’t
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What is PulseEight
Unique pressure pulse telemetry communicating wirelessly between downhole and the wellhead and vice versa
▪ No Cables
▪ No Control Lines
▪ No Signal Boosters or Repeaters
▪ No Additional Surface Kit*
Retrofit design allows it to be positioned into most completions
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Communications
– Communication to surface
– Tool briefly chokes well flow
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Communications
– Communication from surface
– Brief choking of well flow by surface valve manipulation
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≥ 3 ½” Production Tubing
Hanging Device
Crossover
Choke Module
Actuator and
Electronics Module
Battery
Module
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Deployment Configuration
Technical Specification PulseEight Range Max OD 2.50” – 5.00”
Max Rate 10,000bpd – 30,000bpd
Max Length 30.30ft Body Pressure Rating 10,000psi
Static Seal Rating 5,000psi Unloading Seal Rating 1,500psi
Max Design Temperature 150°C/302°F Max Operating
Temperature 110°C/230°F *Qualified limit can be reviewed on application basis
Lifetime Up to 5 years
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Intelligent Completion Management System
• Interpret telegrams from tool
• Seamless data transfer to operator system
• Generate pulse sequences
• Verify correct pulse generation
• Record device status
• Monitor battery usage
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Applications
1. Multilateral Control
2. Gas Lift Optimisation
3. Pressure Temperature Monitoring
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Multilateral Control
▪ Increasing water cut
▪ Suspend existing bore
▪ Interventionless reopening based on time or command
▪ Longer term production at higher oil rates
▪ Improved recovery factors
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Gas Lift Optimisation
▪ Utilise gas cap to drive production
▪ Minimise the need for traditional gas lift
▪ Surface/autonomous control of downhole flow regime
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Pressure and Temperature Monitoring
▪ Long term pressure or temperature trend analysis
▪ Real Time data
▪ Ability to easily replace existing failed PDHG’s
▪ Reduction in interventions required
▪ Downhole shut in capability
▪ High speed data recording
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Case Study - PT Monitoring
Wireless pressure/temperature monitoring onshore well Austria
Production rate – 4-5MMscf/d
Setting depth – 1000m
Pressure – 100-110Bar
Temperature – 68°C
Well Type - Gas Storage
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Case Study - PT Monitoring
Demonstrate Cloud Connected Wireless Communication from Reservoir to Desk
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Case Study - PT Monitoring
Results:
▪ 11 weeks in hole
▪ Weekly Pressure/temp signals
▪ Data Access
▪ Onsite
▪ Remote Desktop
▪ iPhone App
▪ Downhole shut-in 35
36
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40
41
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0
20
40
60
80
100
120
0 2 4 6 8 10 12
Tem
per
atu
re
Pre
ssu
re
Weeks
Pressure Temperature Chart
Pressure Temperature
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Future?
Is there value in Big Data?
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Questions?