Summer 2027

Reservoir Engineer Intern

Posted on 8/26/2026

Deadline 10/30/26
Repsol

Repsol

10,001+ employees

Global energy company: oil, gas, renewables

No salary listed

No H1B Sponsorship

The Woodlands, TX, USA

In Person

Interns are expected on-site Monday through Friday; the optional 9/80 schedule is at the manager’s discretion. Non-local candidates must arrange their own travel and temporary accommodations.

Bachelor's

Category
Data & Analytics (1)
Required Skills
Business Analytics
Data Analysis

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Requirements
  • The candidate must be fully authorized to work for any employer in the United States without sponsorship now or in the future and cannot work under OPT, CPT, or F-1 visa programs.
  • The candidate must have successfully completed two years toward a Bachelor's degree or higher in an engineering discipline.
  • The candidate must have a cumulative GPA and major GPA of 3.3 or higher, confirmed by transcript.
  • The candidate must be available for a continuous 12-week internship from May 17 through August 6, 2027.
  • The candidate must have a strong interest in data analysis, business analytics, problem-solving, and critical thinking.
  • The candidate must be able to work with data and derive meaningful insights.
  • The candidate must have strong written and verbal communication skills.
  • The candidate must be detail-oriented, motivated, and organized.
  • The candidate must be able to manage multiple tasks with responsibility and precision.
  • The candidate must be willing to learn and adapt to new technologies and analytical methods.
  • The candidate must be able to work independently and take initiative.
  • The candidate must be willing to ask questions and seek guidance when needed.
  • The candidate must be able to interact in a team environment.
Responsibilities
  • Support the Subsurface Development Team in maintaining an up-to-date, integrated geophysical and geological model of the subsurface.
  • Use the subsurface model to develop and characterize an inventory of capital investment opportunities, including drilling inventory, on company lands.
  • Provide geological and geophysical input to maintain an up-to-date assessment of resource potential.
  • Characterize the capital investment inventory for strategic plans and budgets.
  • Support calculation and determination of the annual reserve process, including optimizing reserve additions, complying with internal and external reserve auditors, and completing related reserve reporting.
  • Support development of an annual capital program consistent with the asset's strategic plan for budget approval and steward the capital budget throughout the year.
  • Analyze the integrated schedule on an ongoing basis to optimize and enhance asset value.
  • Maintain and update an accurate and compliant assessment of reserves and resource position.
  • Identify process improvement opportunities to ensure assets remain resilient at any commodity price.
  • Work effectively within a multidisciplinary team and matrix organization.
  • Establish a strong communication channel with field personnel.
  • Coordinate field visits with the supervisor.
  • Present the summer project to staff at the end of the internship.
Desired Qualifications
  • Petroleum and Geosciences engineering disciplines are preferred, although other engineering disciplines are accepted.
  • Some internship experience, ideally within the oil and gas industry, is preferred.

Repsol is an energy company that operates across the oil and gas value chain, including exploration, production, refining, and selling fuels, and is expanding into a multi-energy portfolio as part of the energy transition. Its products come from extracting hydrocarbons, processing them into fuels and other energy products, and distributing them to markets, while it increasingly adds new energy forms and services. The company differentiates itself through its long history of international expansion, strategic partnerships, and large-scale asset transactions, such as selling a stake to EIG to fund its transition. Its goal is to monetize its existing assets while accelerating the shift to a diversified, lower-carbon energy mix, potentially supported by a US IPO for its upstream unit from 2026 onward.

Company Size

10,001+

Company Stage

IPO

Headquarters

Madrid, Spain

Founded

1987

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Simplify Jobs

Simplify's Take

What believers are saying

  • First-half 2026 adjusted net income reached €2.711 billion, proving strong operating leverage.
  • Net debt fell to €3.667 billion by June 2026, improving dividend flexibility.
  • Masdar’s 49.99% Spain renewables purchase unlocks capital for higher-return projects and buybacks.

What critics are saying

  • Iberdrola’s Santander greenwashing case still stains Repsol’s brand after the 2025 ruling.
  • Pikka’s ramp to 80,000 barrels daily in Q3 2026 carries execution and cost risk.
  • Oil-price swings can erase inventory gains, as 2026 profits still depend on volatile commodity markets.

What makes Repsol unique

  • Repsol blends refining, upstream, and renewables, preserving cash flows while funding transition.
  • Pikka started producing in May 2026, adding rare new U.S. offshore-style barrels.
  • Masdar’s June 11, 2026 deal validates Repsol’s renewable portfolio quality and monetization discipline.

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Benefits

Hybrid Work Options

Company News

Europe Says
Aug 26th, 2026
Latham Represents Repsol E&P in US$2.5 Billion Bond Offering - Spain

Repsol E&P S.à r.l. (Repsol E&P), the holding company of the exploration and production (Upstream) business of Repsol, S.A. (Repsol) Group, through

Yahoo Finance
Jul 23rd, 2026
Repsol's Q2 2026 net income surges to $2B amid oil price volatility and Strait of Hormuz tensions

Repsol SA reported strong Q2 2026 results with adjusted net income of €1.8 billion, over €1 billion higher year-on-year. First-half adjusted net income reached €7.2 billion, up 135% compared to 2025. The Spanish energy company reduced net debt to €3.7 billion by end of Q2, down €1.1 billion from March 2026. Its gearing ratio stood at 11.3%. Repsol achieved a major milestone with the start-up of the Pikka project in Alaska. Production reached 558,000 barrels of oil equivalent per day, 4% above the previous quarter. The company announced a total cash dividend of €1.051 per share for 2026, approximately 8% higher than 2025. However, geopolitical tensions around the Strait of Hormuz created extreme volatility, whilst a €1.3 billion working capital build-up affected cash generation.

The National
Jun 11th, 2026
Masdar acquires 49.99% of Repsol renewables for $959M, adding 705MW capacity

Abu Dhabi's Masdar has finalised an agreement to acquire a 49.99 per cent stake in Spain's Repsol Renewables for €849 million ($978 million). The transaction includes 705 megawatts of operational capacity comprising six solar parks and 13 wind farms, with potential to add 565MW in future. Subject to regulatory approval, the deal is expected to close by year-end. Once completed, Masdar will have 4.1 gigawatts of operational capacity across the Iberian Peninsula, with approximately 1GW under development. Owned by Taqa, Adnoc and Mubadala, Masdar has developed projects in over 40 countries with combined capacity exceeding 51GW. The company aims to reach 100GW of renewable capacity by 2030, supporting the UAE's clean energy and decarbonisation goals.

Yahoo Finance
Sep 23rd, 2025
Aramco-Repsol $1.2B Renewables Deal Stalls

Talks for Saudi Aramco to buy a minority stake in Repsol's renewables unit have stalled, with no plans to resume. The potential €1 billion ($1.2 billion) investment hit a dead end as Aramco seeks to sell assets and cut costs. Repsol, diversifying into renewables, saw its shares rise 24% in 2025. In 2022, Repsol sold a 25% stake in its renewables business for €905 million, valuing the unit at €4.38 billion. Repsol continues to invest in renewables, prioritizing returns.

USA Herald
Apr 29th, 2025
Stonepeak Buys $340M Stake in Repsol

Stonepeak has agreed to acquire a 46.3% stake in Repsol's U.S. solar and storage portfolio for $340 million, highlighting a shift towards renewable energy. The portfolio, valued at approximately $795 million, includes the 632-megawatt Frye solar farm in Texas and the Jicarilla complex in New Mexico, which combines 125 megawatts of solar with a 20-megawatt battery storage system. Legal firms Vinson & Elkins LLP and Latham & Watkins LLP represented Stonepeak and Repsol, respectively.