Reservoir Engineer

Summary

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Raisa Energy is a technology-driven investment platform in the oil and gas non-operated space, managing over $2.5 billion in assets across approximately 20,000 producing wells and 10,000 future locations in basins including the Anadarko, Appalachia, DJ, Fayetteville, Williston, and Uinta.

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We are seeking a Reservoir Engineer who understands the underlying mechanics of Aries and ComboCurve, not simply their user interfaces. This individual will manage reserve assumptions across a multi-basin, multi-operator portfolio, while contributing to acquisition and divestment evaluations. This role balances rigorous stewardship of existing assets with disciplined risking and valuation of new opportunities across the Lower 48. It's a dynamic, fast-paced environment with a genuinely collaborative team.

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Responsibilities

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·       Oversee and improve Raisa's automated type curve and type curve area-building process across the Lower 48

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·       Manage and quality-control well-level assumptions (forecasts, type curves, and commercial) across a multi-basin, multi-operator portfolio, applying statistical methods to identify inconsistencies, outlier performance, and data quality issues at scale

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·       Maintain and enhance Raisa's proprietary LOE model, built on cost data across 20,000+ wells, used in both internal reserves reporting and external evaluations

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·       Evaluate acquisitions, divestments, and organic well elections, from large, marketed processes to smaller bolt-ons; applying sound engineering judgment to risk and value opportunities under deadline pressure

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·       Partner with finance and land teams on acquisition and divestment transactions, and with accounting and outside auditors on year-end reserves reporting and audits

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·       Integrate workover activity into reserves assumptions; tracking which wells are down, why, and expected return-to-production timing

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·       Analyze JIB data across 100+ operators to identify assumption-relevant trends and automate the connection between billing data and evaluation workflows

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·       Apply structural knowledge of Aries and ComboCurve, including database architecture and calculation methodology, to ensure assumption integrity from input through valuation

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·       Partner with the data and analytics team to advance Raisa's proprietary, intelligence-driven evaluation platform

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Desired Qualifications and Skills

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·       2–6 years of experience in reservoir engineering, reserves engineering, or A&D evaluation

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·       Demonstrated technical fluency in Aries and ComboCurve at a structural level

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·       Strong quantitative and statistical aptitude, with working proficiency in SQL and Spotfire

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·       Comfort working across multiple basins including a large, dynamic operator base, with the judgment to prioritize under deadline pressure

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·       Bachelor of Science in Petroleum, Chemical, or Mechanical Engineering

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Salary range: $150,000 - $200,000