Joining forces to test technology

A new agreement will make it easier to test new methods to recover more oil from the fields on the Norwegian shelf.

The agreement – which has been named Force Agreement for Pilot Consortium Projects – regulates, among other things, distribution of costs and data exchange. It can be used by every company with a production licence on the Norwegian shelf, even if they are not licensees in the relevant fields.

The average recovery rate from fields on the Norwegian shelf is currently 46 percent. This means that more than half of the oil remains in the subsurface when production is shut down. Methods that can contribute to recovering more oil will therefore result in considerable income for the state and the companies.

Some of the remaining oil can be drained using water or gas injection, but about half is stuck in the pores in the reservoir. This type of immobile oil cannot be extracted using seawater, but requires use of chemicals or carbon dioxide (CO2) in order to be produced. A number of laboratory tests of various methods that could contribute to such recovery have been carried out over the years, but it has proven difficult to test these methods in practice.

“At the Norwegian Petroleum Directorate we see that efforts are being made to improve recovery on the fields, but it is far from enough,” says Eva Halland in the NPD. She is the project manager in Force, a collaborative forum for oil companies and Norwegian authorities, relating to development and testing of new technology on the Norwegian shelf. The purpose is to contribute to experience transfer and improved recovery of oil and gas across production licences.

A working group in Force, consisting of representatives from Shell, Statoil, ConocoPhillips, Petoro, Exxon Mobil, Total and the Norwegian Oil Industry Association (OLF), has looked at legal and financial issues relating to collaboration on testing methods for improved recovery. The working group then submitted a draft to the OLF, which drew up an agreement text. It was submitted to all the companies for consultation last autumn, and was adopted just before Christmas.

According to Halland, the costs for testing in one field can be considerable in many cases. The new agreement will hopefully reduce the financial obstacles, while also highlighting the benefits of sharing information regarding technological innovations.

“It costs money to test technology. Instead of everyone running their own pilots, they can now do it together,” says Halland.

“We hope this agreement can be an important breakthrough in testing more of the laboratory results out in the field.”

She now expects the companies to utilise the new agreement: that they define methods and identify fields that could be suitable as potential pilots. Hopefully, there can be concrete projects this spring.

Read more about Force (Forum for reservoir characterization, reservoir engineering and exploration technology cooperation) here >>

 

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