Project experience
30 Years of cathodic protection, inspection and consulting projects around the world
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Olympus Field PBGs
Deepwater installs self-monitored anode sleds in the Gulf of Mexico to protect 24 new PGBs at 3,000 ft for 45 years.
Key project stats
- Installation: ROV
- Install time: 30 hours
- Battery-free monitoring
- 45-year design life
Chinook Field PLET
Under pressure, Deepwater designed and installed a mini-gateway retrofit anode system in the Chinook field on a PLET.
Key project stats
- Continuity jumper
- Borrowed CP from PLET
- Custom design
- 2 week turnaround
24 inch methanol pipeline
Concrete mattresses with integral anodes (RetroMat™) used to retrofit new cathodic protection for a pipeline in Equatorial Guinea.
Key project stats
- Local assembly
- Offshore time: 3 days
- Length: 2 km
- As left: -1.025V vs Ag/AgC
Arnold / Oyster fields
New cathodic protection anodes installed on two deep-water fields in just 73 hours, including well trees, flow line manifolds, umbilical termination units, and flow lines.
Key project stats
- Installation: ROV
- Install time: 72 hours
- Depth: 775 ft / 1,750 ft
Shenzi subsea tree
The first SunStation™ cathodic protection monitoring system, installed on a Shenzi subsea Christmas tree, was interrogated by ROV.
Key project stats
- Water depth: 4,300 ft
- 25-year monitoring system
- No batteries required
Tubular Bells
Sacrificial anode retrofit for two pipelines located in the Mississippi Canyon area of the Gulf of Mexico.
Key project stats
- Water depth: 4,500 ft
- Installation: ROV
Joliet TLP
RetroPod™ anode sleds and RetroClamps™ retrofit cathodic protection anodes on a tension leg well platform in Green Canyon, Gulf of Mexico.
Key project stats
- Water depth: 1,760 ft
- 19 x RetroPods™
Green Canyon
Deepwater supplied seven RetroPod™ anode sleds for Neptune 6 and Shenzi 8 platforms in the Gulf of Mexico
Key project stats
- Water depth: 4,400 ft
- Install time: 3 days
Hydrogen embrittlement study
In 2020, Deepwater Corrosion Services Inc. was contracted to conduct laboratory testing including potential monitoring of a clamp connector subject to cathodic protection (CP).
Key project stats
- Study focused on clamp connector
- Possible gasket embrittlement from CP
- Internal sections of clamp monitored for CP
- Polarization of gasket could generate hydrogen
RetroPods™ installed on wellheads and SUTA
Deepwater Corrosion Services was contracted to oversee the installation of three RetroPod™ sacrificial anode systems in the Dolphin Deep oilfield located off the coast of Trinidad in 200 meters of water.
Key project stats
- RetroPod™ anode sleds installed
- RetroClamps™ provide electrical connection
ReCap™ data logger installed on BOP stack
Deepwater was contracted by Atwood Oceanics to install a ReCap™ data logger on one of their BOP stacks to log cathodic protection data during subsea operations. The ReCap™ system comprises a high impedance data logger, two V-String™ zinc reference electrodes and two grounding clamps.
Key project stats
- System includes high - impedance data logger
- Two V-String™ zinc reference electrodes used
- Data recorded every 15 minutes for four years
- Non-stop data logging of two independent channels
Monitoring system for Australian pipeline
Deepwater was contracted in 2018 to supply a SunStation™ system for monitoring the potential of a pipeline using a V-String™ reference electrode and to monitor the output current of an MA-1™ monitored anode on the Spool Connection Assembly (SCA).
Key project stats
- SunStation™ will monitor pipeline CP
- V-String™ reference electrode attached to SunStation™
- MA-1™ will monitor Spool Connection Assembly