Vol. 48 No. 4 (2025)

Articles

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

  Warno, 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 Lstm-Based Anomaly Detection on Subsea Oil-Producing Well

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

  63-73

• Rock Compressibility Characteristics of Oil and Gas Sandstone Reservoirs in the Western Part of Indonesia

  Bambang Widarsono, Junita T. Musu, Yohanes D. Wangge Yohanes

  75-101

• Utilizing Used Lubricants to Enhance Intermediate Crude Oil Recovery Through Water-in-Oil Emulsions

  Mukhlis Noor Alfatih, Dwi Atty Mardiana, Shabrina Sri Riswati, Changhyup Park

  103-117

• Effects of Palm-Oil-Based Methyl Ester Sulfonate (Mes) in Laboratory-Scale Enhanced Oil Recovery Process

  Onnie Ridaliani, Samsol, Rini Setiati, Muhammad Taufiq Fathaddin, Lilian Anggela, Andry Prima, Nandito Davy, Widia Yanti

  119-128

• Optimization of Alternative CMC Sources from Rice Husk, Sawdust, and Caustic Soda, and The Effect of PH Increase on Filtration Loss and Rheology of Drilling Mud

  Lisa Samura, Cahaya Rosyidan , Mustamina Maulani , Andry Prima, Maman Djumantara, Dina Asmaul Chusniyah , Aqlyna Fattahanisa , Bayu Satiyawira, Mentari Gracia Soekardy, Brilliani

  129-145

• The use of the Common Offset of the Common Reflection Surface (CO-CRS) for Velocity Analysis and Data Preconditioning

  Wahyu Triyoso, Fernando Lawren Hutapea

  147-156

• Modern Palacio-Blasingame Type Curve Method to Determine Well Production Characteristics and Reserves in Fields in Indonesia

  Muhammad Zakiy Yusrizal, Edgie Yuda Kaesti, Ratna Widyaningsih, Hari Prapcoyo, Nia Nuraeni

  157-163