Date post: | 06-Apr-2018 |
Category: |
Documents |
Upload: | sourav-dey |
View: | 222 times |
Download: | 1 times |
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 1/20
LECC 2011
CONTROL UMBILICALS
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 2/20
Subsea installations
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 3/20
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 4/20
Template
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 5/20
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 6/20
Control functions
• Control/monitoring from surfaceinstallation (or shore)
• Static and/or dynamic
• Valve operations
•
Downhole monitoring• MEG injection
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 7/20
Typical makeup
• Hydraulic lines to power valve actuators
• Power / signal electric cables
• Fibre optic cables
• Chemical injection lines
• Armouring for dynamic applications
•
External sheath• Sealed or free-flooding
• Trenched and buried
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 8/20
Structure
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 9/20
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 10/20
Record breaker?
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 11/20
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 12/20
Control from platform
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 13/20
Subsea Control Module
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 14/20
Control from floating installation
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 15/20
Failure modes
•Damage during manufacture
• UTH damage / jumper cables
• Leakage in hydraulic lines
• Contamination of hydraulic oil
• Installation damage including ploughing
• Water ingress to electrical components
• Loss of insulation resistance (Cables)
• Interface with surface installation
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 16/20
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 17/20
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 18/20
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 19/20
Future Focus
• Increasing water depth
• Increasing complexity of subseadevelopments
• Fault tracing
• Advanced repair methods
8/2/2019 Control Umbilicals
http://slidepdf.com/reader/full/control-umbilicals 20/20
Charles Taylor adjusting
INTERNATIONAL LOSS ADJUSTERSPresented by Martin Oinn
Charles Taylor energy88 Leadenhall StreetLondon EC3A 3BA
Telephone - +44 (0) 20 7623 1819Facsimile - +44 (0) 20 7623 1817Direct Dial - +44 (0) 20 7015 2018