Allyza Casas

Petroleum Engineer with over three (3) years of experience in petrochemical operations at JG Summit Olefins Corporation. Experienced in field operations, process monitoring, equipment inspection, and plant start-up and shutdown activities across Naphtha Cracker and Utilities & OSBL systems. Knowledgeable in water treatment, effluent treatment, storage tank operations, steam and condensate, and air and nitrogen systems.

Committed to maintaining safe, reliable, and efficient plant operations through strict compliance with process safety, environmental, and operational standards. A proactive team player with strong problem-solving skills and a continuous improvement mindset.

Field Operator (Utilities and OSBL) - JG Summit Olefins Corporation - Batangas City

(2025-09)

• Operate and monitor Utilities and OSBL process units to ensure safe, stable, and efficient plant operations in accordance with standard operating procedures, supporting the operation of the Water System, Effluent Treatment System (ETS), Steam and Condensate System, Air and Nitrogen System, and Storage Tank System.
• Perform routine field inspections of pumps, compressors, heat exchangers, storage tanks, valves, pipelines, and utility systems to verify equipment integrity and operating conditions.
• Conduct equipment start-up, shutdown, line-up, and isolation activities while coordinating closely with panel operators during normal operations, maintenance activities, and plant upsets.
• Monitor operating parameters including pressure, temperature, flow, and tank levels, and promptly report abnormalities to maintain process reliability.
• Perform routine sampling, chemical preparation, and chemical injection activities for water treatment and cooling water systems while ensuring compliance with operating specifications.
• Assist in the operation and monitoring of demineralized water, desalinated water, cooling water, potable water, and seawater systems to ensure continuous utility supply for plant operations.
• Support the operation of wastewater treatment and effluent systems by monitoring equipment conditions and maintaining compliance with environmental requirements.
• Perform troubleshooting of field equipment by identifying abnormal operating conditions and recommending corrective actions to minimize downtime.

Senior Field Technician Trainee (Hot Fractionation) - JG Summit Olefins Corporation - Batangas City

(2024-09 - 2025-06)

• Developed expertise with the MAPD Converter, Propylene Fractionator, Debutanizer, Depentanizer, 1st and 2nd Stage PGH Reactors, and 2nd Stage Recycle Compressor.
• Optimized plant performance by ensuring process unit compliance with production plans.
• Provided guidance, mentorship, and on-the-job training to junior technicians and operators, ensuring a thorough understanding of cold and hot fractionation systems.
• Ensured that waste materials from the fractionation process were handled, stored, or disposed of in compliance with environmental regulations.

Field Technician (Cold Fractionation) - JG Summit Olefins Corporation - Batangas City

(2023-03 - 2024-09)

• Operated the Cold Fractionation system, including reactors, columns, cold pumps, dryers' regeneration, and switching, overseeing start-up, shutdown, and emergency procedures during plant trips.
• Trained in operating Cold Section HP & LP Depropanizer systems, ACU reactors, Demethanizer, Chilling Train System with Hydrogen Methane Compressor, DeEthanizer, and Ethylene Fractionator systems.
• Conducted routine tasks such as field/pump log maintenance, chemical injection calibration and troubleshooting, sampling, and reporting abnormalities, while implementing preventive and corrective actions.
• Optimized plant performance by ensuring process unit compliance with production plans.
• Provided periodic recommendations for new installations or modifications to equipment and existing facilities, focusing on process and plant stabilization.
• Performed preventive maintenance on fractionation equipment, including heat exchangers, distillation columns, pumps, valves, and control systems, ensuring adherence to design specifications.
• Issued and managed Hot and Cold Work Permits, enforcing strict HSE standards and ensuring safety precautions, particularly for hot work requiring continuous gas monitoring.
• Managed plant start-up and shutdowns, ensuring smooth transitions in accordance with operational guidelines.
• Responded swiftly and effectively to emergency situations and plant trips.
• Upheld plant safety by completing safety checklists, maintaining protocols, and collaborating with team members to mitigate risks.
• Demonstrated strong HSE performance by complying with HSE regulations, following procedures, identifying areas for improvement, and issuing SOS when necessary.

Intern (On-the-job Training) - Melham Construction Corporation - Quezon City

(2022-02 - 2022-05)

• Designed three project proposals related to Petroleum Engineering that showcased the problems and their solutions.
• Completed a case study about the Oil and Gas industry and its current issues, such as its advancement and controversies.
• Enhanced communication and writing skills through individual and group tasks related to the Oil and Gas industry.

Bachelor of Science - Petroleum Engineering - Batangas State University - The National Engineering University (2018-08 - 2022-05)

Junior and Senior High School - Batangas State University - The National Engineering University (2018)