On April to May 2023 PT. Prajania Segara Utama had Geophysical Survey IKPT Tanjung Batu Balikpapan at Balikpapan. Contractor : PT. Hydrocore – PT. IKPT
On April to May 2023 PT. Prajania Segara Utama had Geophysical Survey IKPT Tanjung Batu Balikpapan at Balikpapan. Contractor : PT. Hydrocore – PT. IKPT