Global Oil & Gas

Oil & gas remain foundational to the global value chain.

The industry's future is being shaped by the dual imperatives of meeting rising global energy demand and advancing decarbonization, alongside evolving energy security priorities, geopolitical shifts and changing market dynamics.

Orrick advises clients across the full oil & gas lifecycle – combining deep sector experience with commercial insight and innovative thinking to help clients navigate complexity, unlock value and build resilience.

Sector Coverage

Upstream – Exploration and production (onshore and offshore)
Midstream – Gathering, processing, transportation and storage, including gathering systems, processing plants, pipelines, oil & gas storage facilities and terminals
Downstream – Refining, marketing and distribution, including petrochemicals and fuels manufacturing facilities
LNG – Liquefaction and regasification facilities, including floating storage and regasification units
Oilfield Services – Services and equipment providers
Power – Gas-fired power generation and related gas supply and transportation arrangements
Technology & Innovation – Digital transformation, automation, production enhancement and sustainability
Energy Transition – Carbon capture and storage, hydrogen and its derivatives, sustainable aviation fuels and synthetic fuels

Core Capabilities

M&A – Public and private company and asset-level acquisitions and divestitures (including decommissioning structuring), equity investments, joint ventures, asset swaps, auctions and distressed transactions
Strategic Transactions – JOAs and unit agreements, farm-ins/farmouts, joint development and participation agreements, acreage exchanges and restructurings
Commercial & Trading – Supply, offtake, throughput, LNG and other commercial arrangements, including hydrocarbon sales, gathering, processing and production handling
Transportation & Logistics – Pipeline interconnect/crossing and operating agreements, transportation and storage arrangements
Finance & Capital Markets – Project, acquisition and structured finance, securitizations, debt and equity raises, MLPs, tax structuring, royalties and net profits interests
Project Development & Delivery – Structuring, engineering, procurement, construction, O&M, services agreements and decommissioning
Regulatory, Compliance & Risk – Gas regulatory, including in respect of US LNG projects, and antitrust, sanctions, anti-corruption and cross-border regulatory matters (including host/inter-government support arrangements)
Technology Companies – Lifecycle representation of early-stage O&G technology companies; venture capital investments by strategics
Disputes – Commercial and investor-state through arbitration, litigation and alternative dispute resolution

Global Reach

global map: Orrick offices and markets served

Integrated team delivering seamless execution across 75+ countries in leading oil & gas jurisdictions throughout the Americas, Europe, Asia-Pacific, Africa and the Middle East operating from offices in Houston, New York, London, Paris, Singapore, Tokyo and other representative markets

Best-In-Class Recognition

Chambers and Partners

49 global E&I lawyer rankings
40 global E&I practice rankings, including:
- Oil & Gas Transactions (US & Global)
- Oil & Gas Regulatory & Litigation (US & Global)
- Oil & Gas and Energy (UK)
- Projects & Energy (France, Japan, India, Singapore, Africa & Asia-Pacific)
- Projects & Infrastructure (Asia-Pacific)
- Band 1: Power & Renewables (US)
- Band 1: Energy Transition (US)
- Band 1: PPP & Infrastructure (US)
- Band 1: Renewables & Alternative Energy (US)
- Arbitration and Disputes (Europe & France)

Legal 500

29 global E&I lawyer rankings
12 global E&I practice rankings, including:
- Oil & Gas Transactions (US)
- Oil & Gas Regulatory (US)
- Tier 1: Energy (Worldwide)
- Tier 1: Arbitration (Worldwide)
- Tier 1: Projects & Energy (UK)
- Tier 1: Infrastructure & PPP (US)
- Project Finance: Energy (France)
- Energy: Firms to Watch (Germany)
- Projects and Energy (Japan)
- Energy: Foreign Firms (Singapore)
- Projects: Foreign Firms (Singapore)