Offshore

Our team has an in-depth understanding of the needs of offshore operators and oil and gas companies, having specialised in advising them for many years. Clients recognise our quick, commercial, determined, hands-on approach, gained from work on many of the largest offshore projects worldwide over the last 20 years.

For more information on our offshore legal services, visit our dedicated offshore website.
  • Profile
  • Experience
  • Key contacts

We are retained by oil and gas companies, shipbuilders, shipowners, marine and offshore contractors, engineering companies, investors and lenders involved in the offshore industry. Our team has extensive experience in dealing with contract negotiation and dispute resolution relating to design, construction, installation and operations. This includes activities such as seismic survey, drilling and exploration subsea and surface installation.

We assist companies and contractors through all phases of projects including:

  • corporate structures
  • negotiation and drafting of contracts
  • financing
  • delivery and installation
  • operations
  • decommissioning.

We routinely handle complex and novel projects throughout the offshore oil and gas industry. Advising clients on innovative projects is an important part of our work. In particular, we have specialist expertise in offshore LNG.

We have acted on offshore LNG projects for energy companies, shipyards, shipowners and offshore contractors covering a wide variety of different project structures and we are also regularly consulted by international shipping associations and financial advisers to the oil and gas business.

We believe that our clients benefit from our deep experience and collective knowledge base in this industry.

Visit our offshore energy law site

"Professional, engaging and responsive." 
Chambers Global 2022

FPSO projects

Negotiating contracts for floating production projects including EPCI, T&I and O&M agreements, for operations in each of the major offshore oil and gas regions including North Sea, Nigeria, Angola, Brazil, Australia, New Zealand, Vietnam, Cote d'Ivoire, Mauritania and Equatorial Guinea.

Deep water drilling projects

Negotiating terms for the construction, leasing and operation of numerous deep water drilling units including two semi-submersible drilling units to be built in Korea and operated in Brazil, two semi-submersible units to be constructed in a European yard and two drilling vessels to be constructed in China and completed in Singapore.

Major FPSO dispute

Acting on the largest ever dispute concerning the design and construction of a floating production vessel, including disputes over delivery, variation orders, warranty items, insurance claims, rectification costs and termination.

Drilling contract: US$500 million dispute

Successfully defending a drilling contractor against the largest single claim ever made in a London Maritime Arbitration.

Drilling vessel construction litigation

Acting on behalf of the builder in a high profile dispute concerning the design and construction of two high-specification drilling vessels including delay and disruption claims determined in arbitration and legal disputes successfully resolved before the English Court of Appeal.

Offshore engineering: Bespoke terms: Subsea installation: Brazilian FPSO project

Acting for a subsea contractor in bringing multiple delay and disruption claims in excess of US$100 million against its operator client on the first FPSO development in Brazilian waters conducted on English law. The claims were settled in our clients favour.

Offshore engineering: revised logic marine construction form

Acting for marine contractors on their disputed US$290 million claim against an international oil company for sums due on the decommissioning and removal of an oil platform from the UK North Sea. 

Offshore engineering: subsea installation dispute

Acting for a subsea contractor against an international gas company for delay and disruption caused by severe delays progressing with completion of a pipeline project off Trinidad. We successfully negotiated settlement terms in our clients favour.

Drilling rig day rate contract

Drafting for drilling contractors special terms under which one of their rigs would provide emergency assistance at a North Sea field which had an accidental underwater gas leak. In particular, we carried out modifications to the exclusions and limitations clauses so that the oil company took full responsibility for loss or damage to the rig and crew in all circumstances.

Standard terms for offshore contracting 

We drafted a comprehensive suite of contracts principally aimed at regulating an international offshore installation contractor’s relationship with operators, sub-contractors, service, materials and equipment providers, to meet industry recognised standards and requirements of major international oil companies.

Offshore engineering: logic form: delay in start up

We represented a subsea contractor in court proceedings, including an injunction brought by their operator client for alleged delay and premature withdrawal from a subsea pipe project in the North Sea. After collating evidence and preparing the contractors case, the injunction was discharged, on amicable terms, within three working days.

Latest news & insights

11 Jul 2024

From Insights

Well Heeled - July 2024

Welcome to this special edition of Well Heeled, Stephenson Harwood's bulletin for clients engaged in LNG and gas transportation, trading and offshore production.

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08 Mar 2024

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Key takeaways: Singapore maritime decarbonisation series 2024

Stephenson Harwood (Singapore) Alliance recently hosted the Maritime Decarbonisation Series 2024.

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17 Jan 2024

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A new year – new legislation and opportunities in the hydrogen sector

The end of 2023 and start of 2024 has seen several important developments for stakeholders in the UK hydrogen sector.

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19 Dec 2023

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MCA's new rules for remotely operated unmanned vessels come into force

On 13 December 2023, the Workboat Code Edition 3 ("Edition 3") came into force.

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05 Oct 2023

From Insights

Balancing innovation and IP protection in offshore energy testing

Recent developments in offshore energy technologies, in particular floating wind, have led to significant new systems being tested and certified.

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22 Sep 2023

From News

Stephenson Harwood advises Rockpool Investments on Realise acquisition

Law firm Stephenson Harwood LLP has advised Rockpool Investments, the UK-based private equity firm, on its acquisition of Realise Energy Solutions (Realise).

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23 Aug 2023

From Insights

UK Renewables Academy 2023 to visit EDF Renewables UK's offshore windfarm

The UK Renewables Academy is delighted to announce that delegates will be visiting one of EDF Renewables UK's offshore windfarms as part of its four day offshore wind ..

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04 Aug 2023

From Insights

MASS at Moorgate

Following the success of last year and the developments globally in the sector over the last 12 months, we are excited to announce that MASS at Moorgate will be return..

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03 Aug 2023

From Insights

Seaway7 confirmed as keynote speaker at the UK's Renewables Academy course in offshore wind

The UK Renewables Academy is delighted to announce that Mary Anne Roff of Seaway7 shall be the keynote speaker covering the lessons learned from the common issues and ..

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27 Jul 2023

From Insights

UK government unveils its Shipbuilding Credit Guarantee Scheme

On Wednesday, 26 July 2023, the UK Department for Business and Trade finally announced its Shipbuilding Credit Guarantee Scheme.

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24 Jul 2023

From Insights

Port of Blyth confirmed as keynote speaker at the UK's Renewables Academy course in offshore wind

The UK Renewables Academy is delighted to announce that the Port of Blyth shall be the keynote speaker covering marshalling for its four day offshore wind programme in..

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17 Jul 2023

From Insights

Hydrogen quarterly insight - July 2023

Welcome to Stephenson Harwood's sixth hydrogen quarterly insight which is aimed at bringing you up to speed on all new legal updates in the UK hydrogen sector and some..

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07 Jul 2023

From News

Stephenson Harwood supports Jan De Nul Group on long-term partnership agreement with RWE

Law firm Stephenson Harwood LLP has supported Jan De Nul Group, a leading expert in the offshore energy market, on its long-term partnership agreement with RWE, a Germ..

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30 Jun 2023

From Insights

Orsted confirmed as keynote speaker at the UK's Renewables Academy course in offshore wind

The UK Renewables Academy is delighted to announce that Orsted shall be the keynote speaker covering the use of vessels offshore and the development of sustainable ves..

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27 Mar 2023

From Insights

End of the Offshore Wind Workers Concession….

On 27 March 2023, the Home Office finally confirmed that after seven years, the Offshore Wind Workers Concession (the 'Concession') will expire on 30 April 2023 and wi..

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03 Mar 2023

From Insights

Centrus Advisors confirmed as keynote speaker at the UK's Renewables Academy course in offshore wind

The UK Renewables Academy is delighted to announce that Centrus shall be the keynote speaker covering offshore wind financing and investment for its four day offshore ..

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