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In addition to a high level of regulatory rigorousness and multiple legal challenges, the expertise of a dynamic and well-prepared team with extensive Oil & Gas experience is critical in managing change and securing success.

CMS Grau’s Oil & Gas practice is well-prepared to apply specialised industry knowledge, with a genuine ability to understand and address the full range of commercial and regulatory concerns given the profound knowledge of the industry, mirrored in our team’s in-depth acquaintance with Peruvian Oil & Gas regulations, covering upstream, midstream and downstream. Our expertise spans the negotiation and execution of license contracts for oil & gas onshore and/or offshore exploration and production, execution of major subcontracts, access to funding of assets, production and processing matters, arrangements for pipeline and refinery construction projects, joint ventures, disputes, M&A and capital markets, land rights, environmental, public law, tax and labour oil & gas related matters.

Our most recent experience related to oil and gas includes: 

  • Enagás Internacional S.L.U.: Legal advice on the recovery of its investments in Gasoducto Sur Peruano (GSP).
  • Tullow Oil PLC / Tullow Peru Limited, Sucursal del Perú: Advice on the termination of four (4) oil exploration licenses offshore Peru of blocks Z-38, Z-64, Z-67 and Z-68.
  • Petróleos del Perú – PETROPERÚ S.A.: Legal advice on the negotiation with Perupetro S.A. with regard to the onshore exploitation contract of Block 192, Peru’s leading oil-producing block.
  • Compañía Operadora de Gas – COGA: We assisted COGA in terminating a major agreement executed with Techint S.A.C. for pipeline maintenance and response to operational emergencies.
  • Shell GNL: Assistance to Shell GNL in the defence of the applicable legal framework to trade LNG in Peru due to recently created minimum inventory obligations, including the preparation of the strategy vis-à-vis the regulator, the Ministry of Energy and Mines and major LNG clients.

Explore more

Mercuria Energy Trading SA -v- ONEX DMCC [2026] EWHC 130 (Comm)

27 Feb 2026 11 min read

Energy: Requirements of a trust

23 Feb 2026 12 min read

International Guide to Offshore Oil & Gas Decommissioning

08 Dec 2025 3 min read

On your radar | Key employment issues to be aware of internationally

29 Apr 2024 3 min read

Oil & Gas: English court restrains foreign JOA proceedings in breach of arbitration provision

12 Apr 2024 9 min read

After EU Commission's first decision on Carbon Contracts for Difference, Germany initiates bidding of EUR 4bn

13 Mar 2024 5 min read

Oil & Gas Disputes Survey 2023

15 Dec 2023 3 min read

Oil & Gas: Drafting for parallel disputes under a PSC, JOA and settlement agreement

14 Dec 2023 9 min read

Events

  • Peru
    08 Apr 2026

    CMS at Fordham IP & Policy Conference

  • Peru
    16 Apr 2026

    Green claims in focus

  • Peru
    21 Apr 2026

    On the Pulse webinar series 2026 - Spring/Summer

  • Peru
    28 Apr 2026

    IP Insights webinar series 2026

  • Peru
    02 May 2026

    CMS at INTA 2026

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