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project

WOODSIDE

ENERGY LTD.

In June 2018, Ocean Infinity completed a survey campaign for Woodside Energy Ltd. (WEL) at the Scarborough Field off the coast of Western Australia.

 

Our Case Studies

The brief

Ocean Infinity completed a time-sensitive data acquisition project over several route options over a large escarpment expected to have complex bathymetry.

How we helped

Ocean Infinity gathered data from four main areas of the seabed to provide the client with precise information. In depths ranging from 70 meters to 1460 meters and corridor widths ranging from 1 km to 6 km and lengths ranging from 9 km to 235 km, we simultaneously deployed our vehicles to acquire data quickly, safely and sustainably. Our team of data analysts processed the precise data to confidently provide the client with results.

What we found

The project was executed successfully and resulted in a number of industry firsts, including near real-time route selection by client pipeline engineers based onshore. During the AUV survey, the vessel was able multi-task collecting ROV video of seabed anomalies, velocity measurements and inspection of existing pipelines. As the routes were modified during the course of the project, the actual area covered varied slightly from the initial planned design.

The results

In total, nearly 6,800 line kilometers of seabed were surveyed in 19.8 operational days, with a depth ranging from 70 meters to 1450 meters. The operation averaged 342 line kilometers of coverage per day. Due to the sheer size and type of vessel, QHSE systems and safety culture all operations were completed without downtime due to weather and with zero HSE incidents.

From a survey production standpoint, a single-vessel single-AUV survey would have taken nearly 70 days to complete, excluding weather, and well beyond the typical endurance of a standard single-AUV survey vessel. The production efficiency compared to a multi-AUV survey in this project is nearly 4:1. This efficiency not only benefits the project schedule, but provides similar ratio reduction of: carbon emissions, produced onboard waste, garbage and man hours.

We conclude the multi-AUV concept has been shown to better facilitate pipeline route selection during a single survey campaign. It is expected future subsea geophysical surveys will reduce costs by using a similar multi-AUV approach to subsea development projects.

Meet the teams behind the scenes

Offshore

The offshore team are responsible for ensuring that our pioneering technology is operated safely and efficiently. We operate smoothly and work as a team to produce the highest quality products for our clients. Join us as we operate change.

 

Commercial

The commercial team are responsible for driving the growth of Ocean Infinity. We have a very exciting mission as we innovate and disrupt the sea bed intelligence space through innovative engagements with a very diverse group of clients all over the world. Join us as we drive change.

 

Operations

The operations team ensure that we can operate around the globe, effectively delivering high-quality results to our clients. We ensure that company can map the sea floor at an unprecedented scale and speed. The operations team are fast, forward thinkers who work precisely and attentively. Join us as we enable change.

 

Technology

The technical team are leading experts in sub-sea explorative technology. If you are curious and want to push boundaries by advancing autonomous technical capabilities, then Ocean Infinity is the place for you. Join us as we create change.

 

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