Vol. 49 No. 4 (2026)

Articles

• Global Oil Geopolitical Risk and Indonesia's Petroleum Vulnerability: Implications for Economic Stability

  Maulia Ikhsan Sopali, Muhammad Iqbal, Rizna Nur Rahmadhinta, Rudy Sutanto

  1-13

• Experimental Study of Rattan Skin Waste Utilisation As An Additive in Water Based Drilling Fluid: Evaluation of Rheological and Filtration Properties

  Apriandi Rizkina Rangga Wastu, Ridha Husla, Ghanima Yasmaniar, Prayang Sunny Yulia , Farras Bintang Al Hazmi

  15-24

• Social Mapping of Strategic Issues and The Role of Stakeholders in The Oil and Gas Industry Area

  Herman Rusli, Budi Arianto, Fakhrurrazi, Asyraf Fuady

  25-47

• Techno-Economic and Environmental Assessment of A Hybrid Solar Power System for The Kakatua Laboratory Building Using Helioscope Simulation

  Heru Sugiarto, Maulana Hardi

  49-65

• Effect of TiO₂ Nanoparticles on Contact Angle and Oil Recovery during Low Salinity Waterflooding in Berea Sandstone

  Ndaru Cahyaningtyas, Hariyadi, Muhammad Zakiy Yusrizal, Fauzan Irfandy, Boni Swadesi, Dewi Asmorowati, Zakiah Dwinesi Ramadhona

  67-83