RH Petrogas (SGX:T13), through its subsidiary, Petrogas (Basin), started the pre-flush injection stage of a chemical enhanced oil recovery pilot project in the Walio field in Indonesia, according to a Monday filing with the Singapore Exchange.
The injection is the first phase of the pilot, which will be followed by surfactant-polymer injection, post-flush and extended production response monitoring.
The entire operation aims to provide the basis for full field chemical enhanced oil recovery development in the Walio area.