Vol. 48 No. 4 (2025)

Articles

• Coiled Tubing Circular Efficiency: A Systematic Literature Review on Failure Mechanisms, Inspection Methods, and Reuse Potential

  Warno Warno, Suharjito Suharjito

  1-15

• Rheological Interactions Between Divalent Barium and Sulfate Ions in Hydroxypropyl Guar Polymer Fracturing Fluids

  Dewi Asmorowati, Miftah Hidayat, Dedi Kristanto, Ardhi Hakim Lumban Gaol , Tutuka Ariadji , Taufan Marhaendrajana

  17-34

• Porosity Assessment in A Natural Co2-Water Reservoir Using Integrated Density-Resistivity Log Approach

  Pahala Dominicus Sinurat, S.T., M.T., Ph.D., Hari Sasongko, Nabil Visi Samawi

  35-49

• Improvement of Operating Performance of Medium-Speed Marine Diesel Engines Using Marine Diesel Oil with Air Microbubbles

  Hideo Kawahara, Tomohiro Sunada, Yasuhito Nakatake, Koichi Terasak, Hiroshi Kawahara, Hidechika Goto

  51-61

• An An Lstm-Based Anomaly Detection on Subsea Oil-Producing Well

  Dara Ayuda Maharsi, Syaloom Zefanya Tampi, Ajeng Purna Putri Oktaviani

  63-73