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Drilling Fluid Optimization Using Response Surface Methodology Satiyawira, Bayu; Maulani, Mustamina; Samura, Lisa; Pramadika, Havidh; Nugrahanti, Asri; Rosyidan, Cahaya; Prima, Andry; Arkaan, Muhammad Dzaki; Yanti, Widia
Scientific Contributions Oil and Gas Vol 48 No 4 (2025)
Publisher : Testing Center for Oil and Gas LEMIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29017/scog.v48i4.1900

Abstract

Water-based drilling fluids commonly exhibit rheological degradation under high-temperature, high-pressure (HTHP) conditions, resulting in significant reductions in viscosity, yield point (YP), and gel strength (GS). Previous studies relying on conventional additives such as PAC, CMC, KOH, and NaOH have not fully resolved this issue, particularly in maintaining rheological stability at elevated temperatures. This study addresses this gap by introducing an alkaline polymer as a multifunctional additive intended to replace several conventional components while enhancing thermal resistance. Response Surface Methodology (RSM) with a Box–Behnken design was used to evaluate the combined effects of Carboxymethyl Cellulose (CMC) and alkaline polymer at three temperature levels: 80°F, 150°F, and 250°F. Experimental results show that at 150°F, the optimized formulation consists of 3.5 g CMC and 3.6 g alkaline polymer, yielding a viscosity of 17.64 cP, plastic viscosity of 12.46 cP, and a YP of 7.72 lb/100 ft², representing a substantial improvement compared to the baseline formulations, where YP values decreased significantly with temperature. The optimized mud also demonstrated improved gel strength and consistent filtrate control relative to non-optimized systems. The novelty of this study lies in the use of an alkaline polymer as a single multifunctional substitute for multiple drilling-fluid additives, combined with a multi-temperature RSM optimization framework. The findings provide a simplified, thermally stable drilling-fluid formulation suitable for HTHP environments.
Co-Authors Ainurridha, Kemas Akhmad Alfiandi Sembiring Andry Prima Aqlyna Fattahanisa Arkaan, Muhammad Dzaki Aryanto, Reza Asri Nugrahanti Asri Nugrahanti, Asri Auliya, Hilyah Bambang Soegijono Bambang Soegijono Bayu Satiyawira Bayu Satyawira, Bayu Brilliani Budhy Kurniawan Cahaya Rosyidan Christoper, Levi Martin Chusniyah , Dina Asmaul Daniel Edbert Djunaedi Agus Wibowo Dwi Nuryana, Suherman Evi Ulina Margareta Situmorang Fadliah, Fadliah Fadliah, Fadliah Fajarwati, Kartika Fattahanisa , Aqlyna Ferry Budhi Susetyo fira, Safira Azzahra Gabriella Jasmine Gemintang Atlantika Urbiyanto hanz seca rifansyah cipta maheza Harin Widiyatni Havidh Pramadika Hidayat, Hifdzan Rizki Hidayat, Hifzhan Rizki Hilyah Auliya Jasmine, Gabriella Kartika Fajarwati kartika fajarwati hartono Kartini, Rachmi Kashah, Muhammad Refli Kurniawati, Riskaviana Lestari Levi Martin Christoper Simanjuntak lilik zabidi Lilik Zabidi, Lilik Listiana Satiawati, Listiana Lukas Pearlo, Kevin Maman Djumantara Maman Djumantara, Maman Maulani , Mustamina Maulani, Mustamina Mentari Gracia Soekardy Michael, David Muhammad Burhannudinnur Muhammad Burhannudinnur Muhammad Burhannudinnur Muhammad Yunan Hasbi Mulia Ginting Mulia Ginting, Mulia Mustamina Maulani Mustamina Maulani Nababan, Frederik Gresia Onnie Ridaliani Pauhesti Pauhesti Pauhesti Pauhesti Pauhesti Pearlo, Kevin Lukas Prapansya, Onnie Ridaliani Puri Wijanti Putra, Raka Handika Putra, Valentinus Galih Vidia Rachmi Kartini Raisha Marsha Raka Handika Putra Risyad Baihaqi Rosmalia Dita Nugraheni Rosyidan , Cahaya Safira Azzahra fira Samsol Soekardy, Mentari Gracia Subandrio Soemali Suherman Dwi Nuryana Suryo Prakoso, Suryo Susetyo, Ferry Budhi Syamidi Patian Syamsul Irham Syamsul Irham, Syamsul Tatuhey, Farsya Fatihatul Nizma Urbiyanto, Gemintang Atlantika Valentinus Galih Vidia Putra Widia Yanti, Widia Wiwik Dahani wiwik dahani, wiwik