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Case Study: Oceaneering International

Background to the challenge

Oceaneering International is an engineering and technology company, specialising in marine and aerospace hardware to the offshore. They serve the oil and gas, defence, entertainment and aerospace industries.

Oceaneering International's business offerings include remotely operated vehicles (ROV), built-to-order specialty subsea hardware, deepwater intervention and manned diving services. They also offer non-destructive testing and inspection, as well as engineering and project management.

The problem

Oceaneering International was due to relocate and required a wash down pad for their vehicle fleet.

The oily wash water would need to be treated to water authority standards before being discharged to sewers. Due to the size of their ROV vehicles, a roofed wash bay was not practical.

A system was needed that could treat oily, salty, detergent-laden wash-water. It would need to be filtered to a level acceptable to discharge to the sewer system. Oceaneering International also wanted a high-pressure pumping hose/gun assembly system.


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What Cleanawater did

Calling on decades of expertise in wastewater treatment, Cleanawater identified a hydrocyclone oil water separator as the ideal solution.

So Cleanawater supplied Oceaneering International with a single skid system complete with a DEOIL3 hydrocyclone oil water separator. This system treats up to 3000L per hour of complex wash waters prior to discharge.

The DEOIL3 was coupled with a custom-built high-pressure pumping system, header tank system, hose reel and start/stop system selection switches. Additionally, we installed an in-ground stormwater diversion system. This automatically channelled rainwater to stormwater (after 10mm rainfall on the pad), while diverting contaminated water to the treatment system.


  • Significant cost-savings compared with roofing the wash pad
  • Reduced maintenance and service costs
  • Automated – requires no operator intervention
  • Discharge rates in line with environmental guidelines
  • Cost-effective fit
  • No infrastructure upgrades required

After-sales support

Comprehensive after-sales service. Seven days a week. That's the CleanaWater support promise.

We have industry experts located in Melbourne, Brisbane, and Newcastle. So you can always speak to somebody who understands your local market.

They're available around the clock to answer any queries you may have – whether it's about our systems or odour and water treatment in general.

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Cleanawater's end-to-end process

Step 1

Process Development

Cleanawater's project engineers confirm all site parameters, commence design and process evaluations on specific requirements for your waste water treatment plant works.

Step 2

Conceptual Modelling

Conceptual 3D models, predictive flow and performance analysis models are tested prior to manufacturing a site's waste treatment system.

Step 3


We update the design briefs and create build drawings before manufacturing and commissioning at our Melbourne facility.

Step 4


The Cleanawater team complete water waste management installation and commissioning on site – without disrupting your operations.

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