Maria Tjoa Email & Phone Number

Calgary, Alberta, Canada

Calgary, Alberta, Canada

Delivered upstream consulting projects in reserve evaluation audit, rate transient analysis and market studies with accuracy and punctuality. Supported other teams with supply forecasts, market research and type curves. • Delivered a large reserve audit in a tight timeframe. Optimized the audit by grouping thousands of wells in the provided database. Collaborated by reviewing and organizing assets, data requirements and workflows. Analyzed operating statements for costs, shrinkage, yield, price differentials and generated cashflows.• Increased by 15% the turnaround of oil and gas forecasting projects by creating a model. Conceptualized, designed and created an oil and gas supply forecast model. Derived type curves, gas liquid yield and drilling schedules per play. Continuously improved the model mechanics to minimize run time and reporting. • Provided market research and supply forecast in a visually concise presentation for an investor in the natural gas liquids business. Researched corporate reports and pipeline data, analyzed gas plant throughput volume and yield, conducted decline analysis and type curves.• Conducted rate transient analysis in multi-fractured horizontal wells in the Marcellus, Montney and Eagle Ford (USA) plays for reserves estimation. Investigated well interference and optimum well spacing.• Published three playbooks for the IHS Connect subscription. Collaborated in the Montney, Spirit River and Duvernay playbooks by developing type curves, breakeven calculations and summarizing development and production profiles.• Contributed to the Canadian Oil Sands Dialogue subscription. Architected an oil sands capital costs model for a project which became part of the Canadian Oil Sands Dialogue bi-annual subscription complementing the oil sands labor outlook.

Greater Calgary Metropolitan Area

Conducted individual property reserve evaluations as per COGEH and NI51-101 guidelines. Generated production forecasts and inputs to model cashflow. • Evaluated assets in the Gulf of Thailand. Supported the team by compiling forecasted production data for final report, created a drilling forecast and collaborated by filling the gaps.• Delivered reserve audits for several Argentinian assets on time and with accuracy. Reviewed and organized data and collaborated by creating a consistent production data file for several engineers. • Collaborated in a variety of conventional oil and gas reserve evaluations in Alberta and Saskatchewan.

Calgary

Prepared and submitted over 100 regulatory applications under the AER Directive 065 using volumetric calculation and decline analysis. Managed applications from report writing, notification of stakeholders, submission of application and liaison with AER processor and clients. • Consistently obtained approval in the expected timeframe for majority of the applications. • Facilitated regulatory review by taking the initiative to improve the report with tables and images.• Achieved faster processing times by developing good relationships with AER processors and clients.

Calgary, Alberta, Canada

Prepared and submitted over 50 regulatory applications for the AER Directive 065 using well log analysis, volumetric calculation, material balance and decline analysis. Conducted rate transient and pressure analysis.

Brazil

Trained in Egypt for 2 ½ month to learn wireline fundamentals and procedures such as calibrating tools, leading a crew of two to four people, monitoring well logging data and delivering well log to site geologists. Worked both onshore and offshore locations in Brazil.