Aloysius Utomo

About Aloysius Utomo

Aloysius Utomo is a Senior Chemical Engineer at Occidental, supporting large-scale onshore production chemical operations for Production Operations division. He brings a strong blend of engineering judgment, data-driven decision-making, and operational leadership to improve asset reliability, safety, and cost performance.In his current role, Aloysius leads chemical vendor transitions and develops advanced analytics, machine learning models, and AI-enabled tools to enhance corrosion prediction, surveillance, and technical problem solving across thousands of wells and facilities. He has extensive experience in oilfield chemistry, failure analysis, and managing multidisciplinary teams to execute safe and efficient field operations.Aloysius is proficient in tools such as Spotfire, Power BI, SQL, Python, and SAP, and actively applies AI and ML techniques to operational challenges. He holds a Bachelor of Science in Chemical and Biomolecular Engineering and is currently a 2026 MBA candidate at Rice University.Outside of work, Aloysius enjoys kickboxing, skiing, golfing, lifting, hiking, gaming, cars, and supporting Houston sports teams.

Experience

1. Chemical Engineer, Senior

   Oxy

   Oct 2024 — Present · Houston, TX, US

   Senior Chemical Engineer at Occidental supporting US onshore production chemical operations across multiple basins. Led large-scale vendor transitions, advanced data analytics, and AI-driven tools to improve operational reliability, cost, and decision-making.• Executed chemical vendor transitions totaling $100MM+ annually, ensuring financial governance, performance testing, safe field operations, and reliable data transfer across all US onshore assets.• Developed Random Forest machine learning classifier to predict corrosion failures in new wells using water chemistry and operating data, achieving ~90% accuracy and impacting ~$30MM in failure costs.• Built AI agent leveraging internal and external technical chemical information, SQL databases, and well data to assist operations and technical decision-making for the Chemical Management Team.• Created comprehensive Spotfire surveillance reports to analyze and visualize large data sets of the chemical program including treatment rates, chemical expenses, and extensive lab analysis.• Solved technical and data related issues across Oxy’s onshore operations, covering four business units with wells and facilities.

Education

• Rice University

  Master of Business Administration - MBA

  2024 — 2026

• Rice University

  Bachelor of Science (B.S.), Chemical and Biomolecular Engineering

  2013 — 2017

Skills

• Onshore
• Data Analysis
• Chemistry
• Adobe Indesign
• Microsoft Office
• Technical Writing
• Adobe Photoshop
• Photo Editing
• Corrosion Inhibition
• Chemical Engineering
• Autocad
• Completions
• Promax
• Photoshop
• Aspen Plus
• Matlab
• Arduino
• Field Operations
• Energy Industry
• Engineering
• Process Engineering
• Biocides
• 3d Printing
• Oilfield
• Leadership
• Oilfield Chemistry
• Aspen Hysys
• Makerbot
• Graphic Design
• Upstream
• Teaching
• Petroleum
• Powerpoint
• Hydraulic Fracturing
• Scale Inhibition