GOA Reservoir Engineer

Oxy; The Woodlands (TX); On-site; USD 190,000 - 260,000; Full time

Job summary

Oxy, a leading energy company, seeks a senior Reservoir Engineer to lead performance analysis and forecasting for deepwater assets. You will evaluate reserves, conduct economic analyses, and support investment decisions using probabilistic methods and industry-standard tools.

Requires 15+ years in oil & gas with Gulf of America reservoir experience, and strong knowledge of SEC reserves guidelines and reservoir simulation. This role is on‑site in Houston, with mentoring responsibilities.

Qualifications

• Bachelor’s degree in Petroleum Engineering or closely related engineering discipline.
• Minimum of fifteen (15) years of total oil & gas experience, including at least five (5) years in Gulf of America reservoir engineering with simulation history matching.
• Experience with material balance, decline curve analysis, well productivity analysis and reservoir simulation.
• Strong knowledge of SEC reserves guidelines and reserves reporting processes.
• Proficiency in petroleum economics and decision analysis, preferably using PEEP/MOSAIC.

Responsibilities

• Lead reservoir performance analysis and production forecasting for conventional deepwater reservoirs.
• Analyze well and reservoir production performance to identify optimization opportunities and actions.
• Apply reservoir surveillance and management across the full field life cycle.
• Review monthly asset forecasts and SEC reserves, support third‑party audits.
• Prepare and defend reserves estimates per SEC guidelines.
• Perform economic evaluations to value producing properties and support transactions.
• Apply decision trees and probabilistic methods to frame investment opportunities.
• Lead special projects and mentor less‑experienced reservoir engineers.

Skills

Reservoir simulation

Material balance

Decline curve analysis

Forecasting

Decision analysis

SEC reserves guidelines

Education

Bachelor’s degree in Petroleum Engineering

Master’s degree preferred

Professional Engineer license (PE)

Tools

PEEP/MOSAIC

Job description

Oxy produces, markets and transports oil and natural gas to maximize value and provide resources fundamental to life. The company leverages its global leadership in carbon management to advance lower‑carbon technologies and products. Headquartered in Houston, Oxy primarily operates in the United States, Middle East and North Africa. To learn more, visit Oxy

Oxy strives to attract and retain talented employees by investing in their professional development and providing rewarding opportunities for personal growth. Our goal is to meet the highest employer standards by ensuring the health and safety of our employees, protecting the environment and positively impacting our communities where we do business.

Oxy’s Gulf of America (GOA) Asset Development (AD) organization is seeking a senior‑level Reservoir Engineer for one of several current and upcoming openings, either on an integrated asset development team assigned to a producing deepwater field or within the AD Development Excellence organization. The role leads reservoir performance analysis, forecasting, reserves and commercial evaluations that guide investment decisions and grow long‑term asset value.

Roles & Responsibilities

• Reservoir Performance & Forecasting: Lead reservoir performance analysis and production forecasting for conventional deepwater reservoirs using material balance, decline curve analysis, well productivity analysis and reservoir simulation.
• Production Surveillance: Analyze well and reservoir production performance to identify optimization opportunities, risks and recommended actions.
• Reservoir Management: Apply reservoir surveillance and management best practices across the full field development life cycle.
• Forecasts, Portfolio & Reserves: Partner with Planning and Asset Teams to review and compile monthly asset forecasts, annual portfolio submissions and SEC reserves, and support third‑party reserves audits.
• Reserves Compliance: Prepare, document and defend reserves estimates in accordance with SEC reserves guidelines.
• Commercial Evaluations: Perform economic evaluations in PEEP/MOSAIC, including forecasting, pricing, cash flow prediction and financial modelling, to value producing properties and support acquisition/divestiture transactions.
• Decision Analysis: Apply decision trees, probabilistic and statistical methods, optimization and portfolio analysis to frame, rank and de‑risk investment opportunities.
• Special Projects: Lead and coordinate special projects and ad‑hoc business needs (e.g., budget comparisons) with internal and external stakeholders.
• Mentoring: Coach and mentor less‑experienced reservoir engineers and participate in peer reviews and peer assists (approximately 10–25% of work time).

Required Knowledge, Experience, Skills & Comptencies

Education: Bachelor’s degree in Petroleum Engineering or a closely related engineering discipline.

Professional/Technical Knowledge: Minimum of fifteen (15) years of total oil & gas experience, including at least five (5) years of Gulf of America reservoir engineering experience with hands‑on reservoir simulation history matching and modelling.

• Demonstrated expertise in material balance, decline curve analysis, well productivity analysis and reservoir simulation for conventional reservoirs
• Strong working knowledge of SEC reserves guidelines and reserves reporting processes
• Proficiency in petroleum economics and decision analysis, preferably using PEEP/MOSAIC

Skills & Competencies

• Self‑directed; sets priorities, organizes and carries out own work plan while staying proactively available to all asset teams
• Communicates clearly and effectively across disciplines and with all levels of leadership
• Leads and coordinates ad‑hoc business needs and general reservoir engineering duties (e.g., budget comparisons, economic analysis, decision analysis) with minimal supervision
• Collaborative team player in an integrated, multidisciplinary environment with a commitment to developing others

Additional Desired Qualifications

• Master’s degree in Petroleum Engineering or a related field
• Deepwater development experience, such as subsea tiebacks, waterflood or pressure maintenance projects
• Experience supporting third‑party reserves audits and acquisition/divestiture evaluations
• Experience with industry reservoir simulation, PTA and production analysis software
• Professional Engineer (PE) license or SPEE membership

All qualified applicants will receive consideration for employment without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by federal, state, or local law.