Ivan Leung Email & Phone Number

New York, Ny, Us

Houston, Tx, Us

- Centralize data silos across multiple disciplines (HES, engineering, finance, operations, geology, and land), and manage surveillance dashboards/web apps, to accelerate data access and ensure consistent analyses/recommendations to enable management to make sound business decisions- Collaborate with mathematicians and engineers to formulate, develop and manage solutions for various use cases: * Quantifying reward/risk for optimal reserves management, energy marketing, and business development (probabilistic production/reserves modeling); tools built were widely used for acreage evaluation, midstream development planning and competitor intelligence * Text analytics on companies’ investors/earnings presentations and news to understand public perceptions and improve Oxy’s standing; tools built also assist in verifying competitors’ production guidance to gain insights on market dynamics * Market basket/segmentation analyses of contractor performance to recommend best vendors for task-specific work orders- Developing internal programming packages to facilitate data access for use in downstream analyses- Publishing data analytics journals and tutorials to promote work by our team in the Oxy community - Maintaining analytics deployment platforms (RStudio Teams and Docker) to enable company-wide access to our team’s products- Collaborate with IT to architect deployment of analytics end products - database, models and UI- Mentor junior staff on conceptual, process and decision workflow for analytics use in Oxy’s business streams- Host regular informal coding classes to imbue coworkers with programming skills for automating business workflows and advancing data literacy

Houston, Tx, Us

- Recognized by management for collaboration with various BU (Business Unit) on well surveillance process that led to > 1,000 bopd increase in production, including: * Finding opportunities for pump optimization * Identifying assets that are operating at profit/loss to determine corrective actions- Contributed to Field Development Plan in areas of artificial lift selection, production planning, field execution and environmental review with the goal of optimizing NPV - Created a centralized database for use in Engineering communities across various BU, saving time and ensuring consistent analyses/results across multiple disciplines- Built data pipeline for real-time Finance and Engineering data, empowering Engineers to make timely and sound business decisions- Created tools for the Artificial Lift Team to automate lift selection/design and lift troubleshooting using nodal analysis, reducing man-hours and ensuring consistency - Scouted for novel technologies with cost-saving/production-enhancing applications and connecting them to relevant teams in Oxy for potential applications

- Maintain base production through execution of facility and well optimization projects- Manage waterflood model to set and meet injection and production targets- Manage a recompletion program, with full-cycle analysis, targeting 12 projects per year- Provide input data analysis and recommendation for evaluation of EOR projects- Perform analytical and numerical simulation for reservoir evaluation

- Collaborated with various functional groups to optimize Alkaline-Surfactant-Polymer (ASP) flood facility to ensure consistent quality in injection, production and processing for enhanced oil recovery - Developed cost-efficient methods to handle polymer return from producing wells - Managed MOC tracking system to ensure operational safety - Managed facility and gathering system upgrading projects to meet operational, safety and cost control targets- Built waterflood conformance model to support ASP flood

- Managed a distribution network, gaining over 100 clients in retail and foodservice sectors - Conducted market research and engaged in sales, generating $350K+ annual sales- Implemented cost-efficient inventory monitoring to maintain sustainable free cash flow- Maintained accurate accounting records to reduce costly errors in invoicing and quotes- Sustained good relationships with vendors and established good credit

- Coordinated various facility modification projects to reduce project lead times and meet operational, safety and cost control targets- Conducted technical well evaluations to build well reactivation/recompletion inventory, adding 1mmcf/d of production- Managed operational aspect of field development projects, reducing well on-stream time by 3-4 days/well- Collaborated with various functional groups for construction of an oil battery

- Reviewed inactive wells for recompletion and adding 0.7mmcf/d of production- Submitted regulatory applications, reducing average tie-in time by 3-4 days/well - Conducted technical evaluations of reserves performance resulting in savings on OPEX - Successfully develop a reserves model for a tight gas play to support drilling program