Jacyara Mendonça
Luanda
Summary
With over 10 years of experience in upstream oil and gas operations, skilled Petroleum Engineer brings expertise in production, process optimization, process operations and process safety. Specialized knowledge in offshore crude oil production operations and LNG production, as well as experience in drilling, completions, and interventions campaigns for field development activities. As a specialist, fully prepared to drive operational excellence by leading projects, identifying optimization opportunities, conducting hazard analysis, and implementing sustainable and cost-effective solutions. Strong focus on team collaboration to allow adaptation to evolving project needs while consistently delivering reliable results.
Overview
18
18
years of professional experience
Work History
Process Safety Engineer
Angola LNG (ALNG)
02.2022 - Current
- Lead process safety initiatives across LNG facilities using HAZOP and LOPA methodologies.
- Conduct risk assessments and root cause analyses (RCA) to enhance safety and prevent incidents.
- Oversee Pre-Startup Safety Reviews (PSSR) and Management of Change (MOC) processes.
- Collaborate with firefighting teams to evaluate and mitigate potential safety hazards.
- Monitor and improve site-wide implementation of process hazard analysis schedules and recommendations.
- Led and facilitated hazard identification and risk assessment studies, including HAZOP, LOPA, What-If Analysis, to proactively manage process risks in gas processing operations.
- Developed and reviewed safety system designs, ensuring compliance with international standards for pressure relief, emergency shutdown (ESD), fire and gas detection, and Safety Instrumented Systems (SIS).
- Implemented and maintained Process Safety Management (PSM) programs in alignment with regulatory and corporate requirements, covering key elements such as Management of Change (MOC), Pre-Startup Safety Reviews (PSSR), and Mechanical Integrity.
- Conducted thorough incident investigations and root cause analyses, driving corrective and preventive actions to eliminate recurrence and improve overall safety performance.
- Performed facility sitting studies and consequence modeling using tools such as PHAST to evaluate dispersion, fire, and explosion scenarios and ensure safe plant layout and risk mitigation.
- Provided technical support during design, commissioning, and operational phases to embed process safety principles and ensure safe execution of projects and modifications.
- Led and participated in process safety audits and regulatory inspections, identifying gaps and ensuring timely closure of findings to maintain compliance.
- Delivered training programs and workshops to promote process safety awareness and competency among operations, maintenance, and engineering personnel.
- Monitored and analyzed process safety KPIs (leading and lagging indicators) to drive continuous improvement in safety performance and culture.
Petroleum Production & Optimization Engineer
BP Angola
10.2013 - 12.2020
- Managed daily well surveillance and production optimization in offshore fields (Greater Plutonio, Block 18 & 31).
- Developed and implemented production and injection strategies for oil and gas wells for reservoir management and profitability.
- Ensured integrity of well data and accuracy of multiphase flow meter (MPFM) readings.
- Led a project to deploy a regional allocation and reconciliation system, reducing operational costs and improving partner engagement.
- Actively supported offshore operations to reduce flaring as part of a low carbon emissions initiative.
- Participated in well interventions, including water shut-offs and acid stimulations for several wells.
- Supported calibration and certification of fiscal meters and field measurement systems.
- Led the design, planning, and execution of drilling programs for exploration and development wells, ensuring safety, cost-efficiency, and regulatory compliance.
- Led reservoir management activities to optimize hydrocarbon recovery and maintain reservoir pressure through proactive monitoring and analysis of reservoir performance.
- Monitored key reservoir parameters (pressure, water cut, GOR, productivity index) and recommended operational and strategic interventions to sustain reservoir health.
- Identified underperforming wells and proposed workover and stimulation programs to improve productivity and extend asset life.
- Performed production forecasting and decline analysis to support reservoir surveillance and business planning.
- Coordinated with multidisciplinary teams to implement reservoir management strategies including waterflood, gas injection, and EOR methods.
- Conducted periodic reservoir performance reviews and presented findings to technical and management stakeholders.
- Supported the integration of new technologies and digital tools to enhance reservoir understanding and decision-making.
- Collaborated with field operations, reservoir, and process teams to troubleshoot production issues such as high water cut, emulsion handling, scale, corrosion, and wax deposition.
- Applied production optimization techniques to mature fields, resulting in increased recovery factors and extended field life.
- Ensured flow assurance from wellhead to processing facility by managing hydrate formation, pressure drops, and fluid behavior under varying conditions.
- Monitored and analyzed production data to prepare monthly reports, forecasts, and recommendations for field development planning.
- Supervised surface facility design and flow assurance strategies to ensure reliable transportation of hydrocarbons from wellhead to processing units.
- Applied data analysis and surveillance techniques to identify production bottlenecks and implement remedial actions, leading to increased output and reduced downtime.
- Ensured full compliance with HSE standards and environmental regulations throughout field operations and reporting.
- Monitored reservoir performance and conducted surveillance through pressure analysis, production trends, and diagnostic plots (e.g., decline curves, water/gas breakthrough).
- Engaged in interdisciplinary teams with geoscientists, drilling, production, and facilities engineers to support integrated asset development.
- Contributed to knowledge sharing, peer reviews, and implementation of new technologies and reservoir management best practices.
Assistant Human Resources Officer
Huila Design
01.2007 - 01.2008
- Supported recruitment, screening, and onboarding of new hires.
- Ensured smooth interview processes and maintained proactive communication to resolve employment-related concerns.
Education
Master's - Petroleum Engineering
Heriot-Watt University
Bachelor of Science - Petroleum and Natural Gas Engineering
Middle East Technical University (METU)
Turkey06.2013
Skills
- Analytical problem-solving
- Effective communication
- Collaborative teamwork
- Strategic leadership skills
- Adaptability in dynamic environments
- Data Analysis
- Risk assessment expertise
- Incident root cause investigation
- Continuous improvement
- Analytical thinking
LANGUAGES
Portuguese
Bilingual or Proficient (C2)
English
Bilingual or Proficient (C2)
Spanish
Intermediate (B1)
Italian
Beginner (A1)
Training
- Reservoir Performance
- PHAST
- Risk Based Process Safety Management Systems
- HAZOP Facilitator certificate
- Functional Safety Engineer (SIS) Program
- Safety Instrumented Systems
- Process Safety Fundamentals
- Gas Conditioning and Processing – LNG Emphasis
- Creativity, Critical Thinking & Problem Solving
- PHA Facilitator Training
- Process Safety Engineering
- Advanced Reservoir Engineering
- Rock and Fluid Properties
- Surface/Subsurface Exploration
- Fundamentals of Offshore Systems Design and Construction
- Waterflood
Timeline
Process Safety Engineer
Angola LNG (ALNG)
02.2022 - Current
Petroleum Production & Optimization Engineer
BP Angola
10.2013 - 12.2020
Assistant Human Resources Officer
Huila Design
01.2007 - 01.2008
Master's - Petroleum Engineering
Heriot-Watt University
Bachelor of Science - Petroleum and Natural Gas Engineering
Middle East Technical University (METU)
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