Dresser-Rand has received a $700m contract from Tupi and Guara to supply compression equipment and services in Brazil.
The contract includes up to 80 Datum compressor trains, which will be installed on eight floating production, storage and offloading (FPSO) vessels.
Six of the vessels will be deployed in the Lula field and the other two will be sent to the Guara field.
The contract also includes training, aftermarket services and two ten-year maintenance deals.
Dresser-Rand said that its orders for 2011 are expected to exceed previous forecasts of between $1.4bn and $1.6bn.