Upstream Production Solutions, a subsidiary of Australian company GR Engineering Services (ASX:GNG), has signed a three-year $10M per annum maintenance and operations services contract at Santos' (ASX:STO) Cooper Basin assets.

The company said work on the project will begin in early June.

It also said its been providing similar services on Santos' Gladstone Liquefied Natural Gas project since 2016.

GR Engineering Services' shares closed up 4% today.