Ellipsis U.S. Onshore ("Ellipsis") is a new division of Westlawn. Westlawn is a private investment firm focused on upstream oil and gas investments, with an initial concentration on North America, Latin America, and the Middle East. In addition to Ellipsis, Westlawn has two further divisions – Americas Offshore, and Oman. Ellipsis is currently seeking non-operated working and mineral interests throughout the major onshore US basins. The Reservoir Engineer will be responsible for assisting the technical team in several areas including but not limited to production monitoring and forecasting, type curve creation, LOS analysis, capex analysis, JIB reviews, reserves reporting, asset evaluations, and A&D market surveillance. They will also act as a liaison between the technical team and the finance team to convert reserve report statements into outputs suitable for corporate level returns models. A comprehensive understanding of petroleum economics and associated inputs are required. The successful candidate will be comfortable in a fast-paced environment with changing priorities from a multi-disciplined team and will be expected to adapt to the business needs in various capacities (learning new software, assisting other departments, etc.). The position will initially be focused on managing existing assets as well as assisting business development efforts and basin studies to grow the portfolio. Responsibilities Build, manage, update, and manipulate reserves databases in ARIES and ComboCurve to generate cash flow statements and build out full field development models to determine rate of return and economic values of acquisition targets, producing assets, and new drilling programs Review and interpret operator data from public and private sources (LOS, AFEs, marketing contracts, operational parameters, etc.) Analyze drilling, completion, and production data from multiple proprietary and public sources and incorporate findings into acquisition evaluations Work with operating partners to identify procedures, practices, and potential targets to maximize the value of assets Utilize reserves management software to generate and maintain evergreen type curves and projections based on public and private oil and gas data to determine rate of return and economic values of producing assets and leases Perform basin studies to identify trends and production characteristics Produce reserve data, comparisons, and reconciliations to understand asset valuations and changes to valuations over time Research public oil and gas records to analyze production and performance drivers within areas of interest Create summaries and presentation materials of technical work for Investment Committee meetings Requirements Bachelor’s degree in engineering required Minimum of 5 years of experience with at least 3 years of experience in a Reservoir Engineering role Additional experience in operations or production preferred Highly proficient with ARIES, MS Office, and Enverus Proven track record of handling multiple projects concurrently under tight deadlines Strong analytical and organizational skills Direct experience in decline curve analysis, type curve generation, economic evaluation, reserves, well surveillance, and statistical analysis Some travel may be required (data rooms, conferences, etc.) Flexible to work a variety of hours which could include nights and weekends as business needs dictate Westlawn is a private investment firm based in Houston, TX focused on long-term investment in the global oil and gas industry. We acquire operated and non-operated interests in producing, development and exploration assets, as well as technologies that improve production. Oil and gas will continue to be an important part of the global energy mix for decades to come. Responsible production and development of reserves, combined with new technologies to access those reserves more efficiently, are required to meet the world’s energy needs. Westlawn has ambitions to deploy significant capital into the sector and seeks to establish long-term partnerships with entrepreneurs and management teams who share our vision for growth and value creation.