Indonesia’s state-run PT Pertamina EP is preparing to launch an EOR project in the aging Tanjung Field in south Kalimantan, the first of eight fields identified for an oil production revival program.

The company will use surfactant polymer injection in the Tanjung Field to pump oil from reservoirs that can’t be extracted through the conventional methods.

Pertamina Upstream Director Dharmawan H. Samsu said a pilot polymer-based EOR project in the field showed positive results. “As a continuation, the main points of understanding between Pertamina and Repsol [junior partner] have been signed on the management of the EOR in Tanjung Field for its full scale, including the implementation of the surfactant polymer EOR.”

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