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New Frontier Wireless Telemetry
Jack Vincent – Product Champion Subsea IMR Services
Co-Authors: N. Herbst, A. Jarrot, G. Choi, A. Gelman, A. Croux
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Agenda
• IMR Services
• uROV Program
• Dolphin Wireless Telemetry
• What’s Next
• Questions
2
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IMR Services
Tether
Management
System (TMS)
Surface
vessel
Large market share
Remotely Operated
Vehicle (ROV)
Inspection Visual, SONAR, LiDAR, etc.
Maintenance Changeout, cleaning, etc.
Repair Damage, and…..
Small market share
Autonomous Underwater
Vehicle (AUV)3
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uROV Program
4
Autonomous Vehicles in Support of Naval Operations
2005, National Academy of Sciences AUV
“Joystick control”
• Legacy approach
• Expensive deployment
• Data through tether
ROV
OneSubsea uROV
“Supervised autonomy”
• Pragmatic approach
• Prescribed real-time data
• Agile
“Fire and forget”
• Future of IMR
• Trust issue around
sensitive infrastructure
• Development cost
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uROV Program
5
uROV platform
Schlumberger
technologies deployed on
SAAB Sabertooth vehicles
Deployment
efficiency
Next-generation
sensing
Digital
enablement
Strategic drivers Key technologies
Subsea
communications
Supervised
autonomy
Automatic
eventing
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uROV Program – Supervised Autonomy
6
Person in
the loop
Up to
200m
1. Vessel
2. Host
3. Shore
Subsea
gateway
Surface
gateway
Up to 3km
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Subsea Wireless at Range
7
Ray Bending
Computation
Noise
Multipath
Doppler
Attenuation
Subsea Acoustic Telemetry Challenges
http://fas.org/man/dod-
101/navy/docs/es310/SNR_PROP/snr_prop.htm
“Shadowing”
“Channeling”
or Funneling”
Signal propagation in open water
Dead spots
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Subsea Wireless at Range
8
Ray Bending
Computation
Noise
Multipath
Doppler
Attenuation
Subsea Acoustic Telemetry Challenges
https://dosits.org/s
cience/sounds-in-
the-sea/what-are-
common-
underwater-
sounds/
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Subsea Wireless at Range
9
Ray Bending
Computation
Noise
Multipath
Doppler
Attenuation
Subsea Acoustic Telemetry Challenges
Curtin, University - Perth
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Schlumberger – Best in Class DH Telemetry
10
Drilling and Measurements**
Wireline
Testing
** Can stream up to 6bps over 15km in drilling mud
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External Partners
Digital
Algorithms
Acoustic
Modeling
Transducers
and Receivers
High Performance
Computing
Digital
Platform
Testing and
Integration
Dolphin Wireless Telemetry
11
Subsea ModemTopside Modem
Co
mpu
ter
Video
decompress
Decoding
Analog to
digital
Amplify
Receive
Display
Com
pute
r Video
compress
Coding
Digital to
analog
Amplify
Camera
Transmit
Mo
dem
Subsea ModemTopside Modem
Co
mpu
ter
Video
decompress
Decoding
Analog to
digital
Amplify
Receive
Display
Com
pute
r Video
compress
Coding
Digital to
analog
Amplify
Camera
Transmit
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Dolphin Wireless Telemetry
12
12
Months
Room AcousticsMay 2017
Kick OffDecember 2016
Ultrasonic ReceiverAugust
Receiver ArraySeptember
Horizontal TestOctober
Vertical TestDecember 2017100 kbps
@ 1km
0 kbps
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Dolphin Wireless Telemetry
13
RxTx
50-ft
water
depth
1 km distance
Boston Oct. 2017
(vertical repeat in San Diego Dec 2017
uROV Integration2018
Live Video @ 1km2017
Roadmap to 3km vertical2019+
World Record
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What’s Next
14
Multi-Physics Comms
Residency – SPS Interface
Wireless Networks
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Questions
Thanks to Co-Authors
Arnaud Croux – Senior Research Scientist
Andriy Gelman – Senior Research Scientist
Gloria Choi – Research Scientist
Arnaud Jarrot – Senior Research Scientist
Neil Herbst – Program Manager
Questions