SOURCE: DNV GL

DNV GL

May 03, 2016 12:30 ET

DNV GL-Led Project Gives Green Light for Wind-Powered Oil Recovery

HOUSTON, TX--(Marketwired - May 03, 2016) - OTC Houston: The DNV GL-led WIN WIN1 Joint Industry Project (JIP) shows that for suitable fields, wind-powered water injection is technically feasible, capable of meeting performance targets, and offers a cost-competitive alternative to conventional water injection solutions.

For the past year, participants from both the renewable and oil and gas industries have worked together in the DNV GL-led WIN WIN JIP to develop the concept of using floating wind turbines to power a water injection system in detail, and assess its technical and commercial feasibility. Technical and operational aspects as well as costs have been assessed. The JIP partners include ExxonMobil, ENI Norge, Nexen Petroleum UK Ltd., Statoil, VNG Norge, PG Flow Solutions and ORE Catapult.

No major challenges have been identified through the JIP's study. Analyses of system performance examining site specific cases from JIP partners have shown that WIN WIN is able to meet the operator's key performance requirements such as injection volume targets, as well as reliability and minimized downtime.

"For the first time we can now see renewable energy as a large scale source of power to offshore oil & gas operations. By utilising the recent developments of floating offshore wind turbines this concept can offer a clean, reliable, and cost effective alternative for powering water injection in offshore locations. The WIN WIN project showcases that the oil and gas industry can become a creative force in solving the world's energy trilemma by driving development of reliable, clean and affordable technologies. This is a win for both the oil and gas and for the wind power industries," says Remi Eriksen, Group President and CEO of DNV GL.

"We are encouraged by recent advances in wind technology, particularly for niche applications such as offshore oil and gas operations," says Sara Ortwein, President of ExxonMobil Upstream Research Company. "Such technological advances improve the economic feasibility for wind to contribute to the overall energy supply mix."

"Supplying clean power to oil & gas installations was part of the original idea behind Statoil's Hywind concept," says Hanne Wigum, Head of Renewable Technology Development in Statoil. "The WIN WIN concept represents an alternative source of electricity and has the potential to open up new opportunities for field development."

The costs for wind powered water injection have been compared with a conventional alternative where water is injected via a flow line from the host platform. While the WIN WIN technology has higher operational expenditures (OPEX) compared to a conventional alternative, the significantly lower capital expenditure (CAPEX) means that it compares favourably over the long term. WIN WIN is therefore a commercially competitive alternative in a range of cases, particularly when host platform capacity is limited or injection wells are located far away.

"For the specific example case assessed in the report, we are looking at a potential cost saving of approximately 20 percent compared to a conventional solution. This will of course vary greatly between cases," says Johan Sandberg, project sponsor and segment leader of floating wind turbines at DNV GL.

"To develop the concept further, a next step would be to test critical subsystems in a small scale physical set-up. The key objective would be to gain assurance that the components integrated in this configuration will offer satisfactory performance over time with a variable power input. A potential phase 2 of the JIP is being explored with some of the current JIP partners," he adds.

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Notes to Editors:
1. WIN WIN stands for Wind powered Water Injection.
2. Use case: The system is located in the North Sea, 30 km from the production host and 30 km from shore, at 200 meters water depth. The reservoir consists of two injection wells, with normal injectivity, and a target injection rate of 44,000 barrels of water per day.
3. System specifications: A 6 MW wind turbine is mounted on a spar foundation, with 2 x 2 MW injection pumps, capable of a maximum of 80,000 barrels of water per day. The process equipment is located top-side. Water treatment includes filtration and chemical injection with chlorine.

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As of 12 September 2013, DNV and GL have merged to form DNV GL. Driven by our purpose of safeguarding life, property and the environment, DNV GL enables organizations to advance the safety and sustainability of their business. We provide classification and technical assurance along with software and independent expert advisory services to the maritime, oil & gas and energy industries. We also provide certification services to customers across a wide range of industries. With our origins stretching back to 1864, our reach today is global. Operating in more than 100 countries, our 16,000 professionals are dedicated to helping our customers make the world safer, smarter and greener. 

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In the oil and gas industry, GL Noble Denton and DNV's Oil & Gas business have joined forces to enable safe, reliable and enhanced performance in projects and operations. We provide a broad range of services, such as technical assurance; marine assurance and advisory; risk management advisory and offshore classification. Our 3,500 employees combine industry expertise, multidisciplinary skills and innovation to solve complex challenges for our customers. Together with our partners, we drive the industry forward by developing best practices and standards across the asset lifecycle. 

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