Upstream oil and gas—exploration and production

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Introduction

This is an overview of the key content to be found in our Upstream oil and gas—exploration and production subtopic. It briefly explains the nature of this content and provides links to it.

For more information on Midstream and Downstream oil and gas, see subtopics:

  1. •

    Midstream oil and gas—transportation, terminals and storage facilities—overview

  2. •

    Downstream oil and gas—refining, marketing and sale and purchase of petroleum products—overview

For a consolidated subtopic bring together all our content of relevance to corporate transactions in the oil and gas sector, see: Corporate oil and gas transactions—overview.

Upstream oil and gas

  1. •

    Practice Note: The Energy White Paper—an overview [Archived]—considers some of the key measures announced in the Energy White Paper published by the former UK Department for Business, Energy and Industrial Strategy (BEIS) on 14 December 2020 and their expected impact on the energy sector. It also provides a comprehensive overview of all commitments announced. The Department of Energy Security and Net Zero (DESNZ) was established on 7 February 2023 and has taken over the energy portfolio of the former BEIS, which

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Latest Energy News

‘Bigger than we thought it was going to be’—the ICJ Advisory Opinion clarifies states’ legal obligations relating to climate change

Environment analysis: On 24 July 2025, the International Court of Justice (ICJ) handed down its first advisory opinion (AO) on climate change. The AO has been widely heralded as a turning point in both international environmental law and in climate change litigation, transforming climate ambition into enforceable legal obligations and setting the stage for heightened scrutiny of both state and corporate conduct. Written by Estelle Dehon KC, of Corner Stone Barristers.

‘Bigger than we thought it was going to be’—the ICJ Advisory Opinion clarifies states’ legal obligations relating to climate change

Environment analysis: On 24 July 2025, the International Court of Justice (ICJ) handed down its first advisory opinion (AO) on climate change. The AO has been widely heralded as a turning point in both international environmental law and in climate change litigation, transforming climate ambition into enforceable legal obligations and setting the stage for heightened scrutiny of both state and corporate conduct. Written by Estelle Dehon KC, of Cornerstone Barristers.

Ofgem launches Tender Round 13 for OFTO licences

Ofgem has launched Tender Round 13 (TR13) to identify suitable bidders for the award of offshore transmission licences. TR13 specifically concerns three projects: (1) Inch Cape; (2) East Anglia THREE; and (3) Dogger Bank C, all of which have met the necessary qualifying requirements and tender entry conditions under the Electricity (Competitive Tenders for Offshore Transmission Licences) Regulations 2015, SI 2015/1555.  Alongside this, Ofgem has published several key documents, including: (1) guidance on the next steps for participating in TR13’s enhanced pre-qualification (EPQ) stage; (2) an EPQ document outlining the requirements bidders must meet to be invited to the invitation to tender stage for TR13; (3) version one of the generic Offshore Transmission Owner (OFTO) Licences for TR13; and (4) instructions for bidders participating in the TR13 tender process.

Ofgem extends operational deadline for interconnector and OHA pilot projects to 2035

Ofgem has announced amendments to the Initial Project Assessment (IPA) conditions for Window 3 (W3) interconnector projects and Offshore Hybrid Asset (OHA) pilot projects, extending their operational deadline from 2032 to 2035 in response to supply chain constraints. The change affects three interconnector projects (LirIC, MaresConnect and Tarchon), as well as two OHA pilot projects (LionLink and Nautilus).

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