Risk Allocation in UAE Offshore Contracts: Knock-for-Knock Indemnities and Limits

• A knock-for-knock indemnity is mutual and reciprocal. Each party bears its own personnel and property losses, indemnifies the other party's group, and waives recourse regardless of fault.
• Article 196 of the Civil Code voids any clause excluding liability for a harmful act, and Article 383(2) voids any exclusion for fraud or gross error.
• The Dubai Court of Cassation has confirmed limitation of liability is enforceable, save for gross negligence, intentional harm, or fraud.
• Construction-related decennial liability under Articles 880 to 882 cannot be excluded by contract, which affects offshore platforms and fixed installations.

Who this applies to

The article is for the legal and contracts teams of operators, drilling contractors, well services contractors, marine contractors, subsea contractors, and OFS providers active in the UAE offshore sector. It applies to ADNOC Offshore, ADNOC Drilling, OXY UAE, Eni, TotalEnergies, BP, Shell, INPEX, GS Energy, and CEPSA at the operator level. It applies to the major drilling contractors, marine contractors, and subsea contractors operating in Abu Dhabi and Dubai waters.

The article does not cover onshore drilling and onshore services contracts, where K4K is sometimes used but the legal analysis differs because decennial liability and other onshore-specific rules engage. It also does not cover the upstream concession framework itself, which is set out in our Abu Dhabi upstream concessions guide. For the underlying EPC subcontract risk allocation that sits underneath an operator's drilling contract, see our UAE energy subcontracts piece.

What a knock-for-knock indemnity does

A knock-for-knock indemnity is built on three moving parts.

The first is the mutual waiver of liability. Each party waives any claim against the other for personal injury, death, or property damage suffered by its own group. The waiver applies regardless of negligence and regardless of breach.

The second is the mutual indemnity. Each party indemnifies, defends, and holds harmless the other party's group for those same categories of loss. The indemnity is back-to-back with the waiver. If the operator's employee is injured on the contractor's vessel, the operator indemnifies the contractor. If the contractor's employee is injured on the operator's platform, the contractor indemnifies the operator.

The third is the group definition. The "group" extends beyond the contracting party. It usually includes affiliates, parent companies, subsidiaries, employees, officers, directors, agents, and subcontractors at every tier. The group definition is the most heavily negotiated piece of the K4K clause because it controls who benefits from the indemnity.

Three categories of loss almost always sit inside the K4K perimeter:

• Personal injury, illness, and death of personnel.
• Damage to or loss of property owned, leased, or hired by the indemnifying party.
• Loss of services or production of the indemnifying party.

Three categories usually sit outside:

• Loss arising from gross negligence or wilful misconduct.
• Loss arising from pollution from the indemnifying party's source (treated separately under a pollution indemnity).
• Loss arising from breach of intellectual property warranties.

The pollution indemnity is its own machinery. Operators typically take pollution from the well. Contractors typically take pollution from their vessels and equipment. The boundary between the two is the source of more pollution-claim disputes than the operator-contractor allocation itself.

Why the offshore industry uses K4K

K4K replaces the default tort regime for a reason. Offshore work is high-risk and capital-intensive. A single incident on a drilling rig can produce hundreds of millions of dollars of loss across multiple contractors working the same job. A fault-based regime forces every party to investigate, sue, defend, and insure across that entire perimeter. K4K cuts the perimeter at the contract line. The industry-standard offshore drafting templates, including the LOGIC standard contracts, are built around mutual hold-harmless and indemnity language and form the starting point for most UAE offshore negotiations.

Four practical benefits drive the adoption:

• Insurance efficiency. Each party insures its own people and property. Cross-coverage and double insurance get eliminated. Premiums fall.
• Litigation reduction. Fault becomes irrelevant. Most claims resolve through the indemnity machinery without going to court or arbitration.
• Cost certainty. Each party knows its loss exposure before it bids. The bid prices reflect that certainty.
• Speed. The indemnity triggers on the event, not on the determination of fault. Repairs, mobilisation, and replacement happen faster.

The English courts have upheld K4K provisions even where the indemnified party was grossly negligent, provided the drafting is sufficiently clear (Transocean v Providence). Offshore contracts seated under English law and arbitrated in London therefore enjoy a high level of contractual certainty. UAE-law-governed contracts run on a different logic.

How UAE law treats indemnity clauses

UAE law accepts contractual indemnities. The Civil Code starts from the principle of freedom of contract and treats the contract as the law of the parties. Several provisions then carve out specific limits.

Article 282 of the UAE Civil Transactions Law provides that any harm done to another renders the offender liable to make good the harm. This is the foundational tort principle. It applies whether the offender intended the harm or not. Article 283 distinguishes between direct and consequential harm. Direct harm must be made good unconditionally. Consequential harm requires a wrongful or deliberate element.

Article 196 is the most important provision for K4K analysis. It states that any condition purporting to provide exemption from liability for a harmful act shall be void. UAE legal commentary and arbitral practice treat Article 196 as covering both contractual and tortious harm. A clause that purports to excuse a party from all liability for harm to the other party is at risk of being held void.

Article 383(2) voids any agreement to limit liability for fraud or gross error (a phrase commonly translated as "gross negligence"). The Dubai Court of Cassation has confirmed in multiple judgments that limitation of liability provisions are enforceable, save for gross negligence, intentional harm, or fraud. The carve-out is mandatory, not contractual. A K4K clause that purports to indemnify a party for its own gross negligence will not be upheld in UAE onshore litigation.

Article 390 allows parties to agree the amount of compensation in advance, but allows the court or tribunal to adjust the amount on application of either party to match the actual harm suffered. This bears on liability caps inside the K4K clause more than on the K4K mutual indemnity itself.

Articles 880 to 882 impose strict 10-year decennial liability on contractors and architects for total or partial collapse of buildings or fixed installations and for defects threatening structural stability. Article 882 makes any agreement to exclude or limit this liability void. Decennial liability applies to fixed offshore platforms and to subsea infrastructure that would meet the definition of a "construction." It does not apply to drilling rigs, mobile vessels, or temporary spreads.

The interaction of these provisions produces three practical outcomes for K4K in the UAE.

First, the mutual indemnity for personal injury and property damage works in principle. The freedom of contract is recognised. Each party can agree to bear its own group's losses.

Second, the indemnity does not extend to the indemnitee's gross negligence, intentional harm, or fraud. The Civil Code makes this carve-out mandatory. Drafting that purports to override it is at risk of being read down.

Third, decennial liability sits outside the K4K perimeter for fixed offshore installations. A platform contractor cannot indemnify the operator for the platform's structural collapse, and an operator cannot indemnify a platform contractor for the same. The 10-year exposure runs regardless.

The gross negligence carve-out in practice

The gross negligence carve-out is the single most important drafting issue on a UAE-law K4K clause. Three drafting approaches are common.

The first is the simple carve-out. The K4K indemnity does not apply where loss arises from the indemnitee's gross negligence or wilful misconduct. This mirrors the Civil Code position and is the cleanest drafting under UAE law.

The second is the knock-for-knock with no carve-out, often used in English-law-governed offshore contracts. The clause excludes recourse irrespective of fault, including gross negligence. This drafting holds under English law (per Transocean v Providence) but does not hold under UAE law. Where a UAE-law-governed contract uses this drafting, the carve-out is read in by Article 383(2) regardless.

The third is the carve-out with a definition. Gross negligence is defined in the contract, often as "an act or omission undertaken with reckless disregard for the harmful consequences" or similar. Definition is helpful in arbitration because it constrains the tribunal's discretion. It does not eliminate the carve-out.

The practical questions on every K4K dispute then become:

• Did the indemnitee's conduct cross the threshold from negligence to gross negligence?
• Did the indemnitee's conduct cross the threshold to wilful misconduct?
• Was the conduct that of the indemnitee itself, or of one of its group members? Group members' conduct may or may not bind the indemnitee depending on drafting.
• Did the conduct cause the loss, or was the loss caused by something else?

UAE Cassation guidance treats gross negligence as conduct that departs significantly from the standard of care of an ordinary professional in the same position. The threshold is higher than mere negligence and lower than wilful misconduct. Tribunals applying UAE law to offshore contracts have generally followed this framework, producing fact-intensive enquiries on each indemnity claim.

Defining the group correctly

The group definition is where K4K clauses are most often loose, and where most disputes about who is covered begin. A correctly drafted operator group includes:

• The operator itself.
• Affiliates, parent companies, and subsidiaries of the operator.
• Co-venturers, joint operating agreement partners, and concession partners.
• Officers, directors, employees, and agents of any of the above.
• Other contractors and subcontractors of the operator who are not party to the K4K contract.

A correctly drafted contractor group includes:

• The contractor itself.
• Affiliates, parent companies, and subsidiaries of the contractor.
• Subcontractors at every tier.
• Officers, directors, employees, and agents of any of the above.

Three drafting traps appear often:

• Subcontractor flow-down. The contractor must impose back-to-back K4K terms on subcontractors, or the contractor's group is exposed to subcontractor recourse. Most disputes arise where the contractor took the K4K obligation up the chain but did not flow it down, leaving a subcontractor outside the regime free to sue.
• JOA partner inclusion. Where the operator is a single concession holder acting for a JOA group, the K4K must extend to all JOA partners. If only the named operator is in the group, a non-operating partner can sue the contractor outside the regime.
• Personnel scope. "Employees" is narrower than "personnel." If the contractor uses agency workers, secondees, or specialist consultants on day rates, they may not fall within "employees" without specific extension.

A K4K clause that misses any of these three traps loses its main commercial benefit. The indemnity exists to cut the litigation perimeter at the contract line. A loose group definition leaves a hole in the perimeter.

Pollution indemnities and the source rule

Pollution is treated separately from the personnel and property K4K because the magnitude is different and the public interest is different. The standard offshore allocation runs as follows:

UAE federal environmental law and Abu Dhabi Executive Council regulations impose strict liability on the polluter for clean-up and damages. The K4K does not displace the regulatory regime. It allocates the financial burden between operator and contractor for who reimburses whom after the regulator is paid. The operator typically takes the regulatory liability because the operator is the licence holder under the concession. The K4K then allocates the cost back to the contractor where the source of pollution is the contractor's equipment.

For the offshore decommissioning side of the lifecycle, where pollution and liability rules also engage, see our decommissioning piece.

Insurance back-up and waivers of subrogation

A K4K clause that is not backed by matched insurance is a piece of paper. The standard offshore programme requires:

• Each party to maintain insurance covering the losses it has assumed under the K4K. For the operator, this includes well control insurance, operator's extra expense (OEE), pollution liability, and platform property cover. For the contractor, this includes hull and machinery, P&I, employers' liability, and contractors' all risks.
• Each party's policies to name the other party as additional insured to the extent of the K4K. This converts the indemnity into an insurance-backed obligation rather than a balance-sheet exposure.
• Each party's insurers to waive rights of subrogation against the other party's group. Without the waiver, the insurer pays out under its own policy and then sues the indemnitee to recover, which defeats the purpose of the K4K.

Offshore contracts in the UAE typically require certificates of insurance to be exchanged at contract execution and at every renewal. A failure to deliver certificates is usually a breach but is rarely treated as a condition precedent to the indemnity. The indemnity bites regardless. The certificate exchange is a verification mechanism, not a trigger.

The waiver of subrogation is the most often missed piece. A K4K with proper indemnity drafting and matched insurance can still fail in practice if the insurer subrogates. The waiver has to be specific, in the policy wording, and confirmed by the broker.

Decennial liability on fixed offshore installations

Decennial liability under Articles 880 to 882 of the Civil Code is the one place where K4K cannot reach. The provision applies to:

• The contractor and architect of any building or fixed installation.
• For 10 years from delivery of the works.
• For total or partial collapse, and for defects threatening structural stability.
• On a strict liability basis (no fault required).

Article 882 makes any agreement to exclude or limit this liability void. The K4K perimeter does not include decennial liability. Where a fixed offshore platform, a subsea pipeline, or a similar installation falls within the construction definition, the contractor and architect carry 10 years of strict liability that cannot be contracted away.

The practical implications are:

• The K4K mutual indemnity for property damage does not protect the platform constructor against decennial claims.
• Operators on fixed offshore platforms have a 10-year window to bring decennial claims, even after the K4K window has closed.
• Decennial insurance has to sit alongside the K4K-matched insurance programme. It cannot be substituted by the K4K indemnity.
• Drilling contractors, well services contractors, and marine contractors operating vessels and rigs are not within the decennial regime. The K4K covers them in the normal way.

The boundary between "construction" (decennial-eligible) and "drilling" or "well services" (not decennial-eligible) is a question of fact in any given contract. Contracts that combine both scopes (such as platform construction with associated commissioning) need to address the boundary explicitly.

Limitation of liability caps inside the K4K

K4K clauses usually sit alongside an overall limitation of liability cap on the contract. The cap addresses losses that fall outside the K4K mutual indemnity, including:

• Direct damages for breach of contract that are not covered by the K4K.
• Liquidated damages for delay or performance shortfall.
• Indemnities for third-party claims.
• Liabilities arising from carve-outs to the K4K.

UAE law treats limitation caps as enforceable in principle. The Dubai Court of Cassation has confirmed the principle in multiple cases. The same gross negligence and fraud carve-outs that apply to indemnities apply to limitation caps. A cap that purports to limit liability for the indemnitee's gross negligence will be read down. Article 390 also allows the court or tribunal, on application, to adjust agreed compensation amounts to reflect the actual harm suffered. This power is rarely used to overturn arms-length limitation caps in commercial offshore contracts, but it remains available. For more on how Article 390 plays out, see our liquidated damages enforcement piece.

The drafting interaction matters. The K4K is the first line of defence and operates without reference to the cap. The cap is the second line and bites only on losses that escape the K4K. Operators and contractors should not draft the K4K and the cap as alternatives, because they are sequential.

Forum and governing law

UAE offshore contracts use a mix of governing laws and arbitration seats. The most common combinations are:

• English law with London-seated arbitration (LCIA or ICC). Used by international operators and contractors, particularly where the contract is part of a regional or global programme.
• English law with DIFC or ADGM-seated arbitration. Used where the parties want common law substance with closer-to-home administration.
• UAE law with DIAC-seated arbitration in Dubai or ArbitrateAD-seated arbitration in Abu Dhabi. Used for ADNOC-led contracts and where UAE law is the natural forum.
• UAE law with onshore court jurisdiction. Less common for offshore contracts but appears in smaller services agreements.

The choice has direct consequences for how the K4K is read. English-law-governed contracts get the Transocean v Providence approach. UAE-law-governed contracts get Article 196 and Article 383(2). DIFC and ADGM courts apply common law principles modified by their own statutes, which sit closer to English law but accept some Civil Code public policy carve-outs through choice of law analysis. For a deeper look at forum choice between DIAC and ArbitrateAD, see our arbitration clause checklist.

A common drafting choice on offshore contracts is to apply UAE law to the contract but seat the arbitration outside the UAE. The K4K then runs through UAE substantive law, but the procedure runs through LCIA or ICC. Tribunals applying UAE law in this configuration usually apply the Article 196 and Article 383(2) carve-outs, although the arguments are sometimes more sophisticated than in onshore courts.

Common drafting failures

Offshore K4K clauses negotiated in the UAE fail in litigation for a small number of recurring reasons:

• No gross negligence carve-out. The clause is drafted to English-law specifications and does not address the UAE Article 383(2) position. A tribunal applying UAE law reads the carve-out in regardless.
• Group definition gaps. Subcontractors are not brought into the group, JOA partners are not brought into the group, or the personnel scope is too narrow.
• No subrogation waiver. The indemnity machinery works but the insurer subrogates against the other party's group, defeating the K4K.
• Pollution indemnity boundary cases not addressed. The well-to-equipment boundary is not drafted, leading to litigation over which side caused the spill.
• Decennial liability not carved out properly. The K4K is drafted to indemnify against losses it cannot legally indemnify against on fixed installations.
• Cap and K4K conflict. The cap is drafted as if it limits the K4K, when the K4K should run free and the cap should pick up only what falls outside.

Each of these is a drafting issue, not a substantive policy issue. They are curable at the drafting stage and incurable in litigation.

How should UAE operators and contractors draft K4K indemnities in 2026?

Knock-for-knock indemnities work in the UAE, but they require drafting that respects four Civil Code provisions and one decennial liability regime. The clauses that hold up in English-law-governed contracts do not always hold up under UAE law. Operators and contractors that copy English-law boilerplate into UAE-governed contracts find this out only when a claim hits and the indemnity is read down by a tribunal.

The drafting that works is a UAE-aware K4K with the gross negligence and wilful misconduct carve-out drafted in, the group definition extended to subcontractors and JOA partners, the pollution indemnity drafted with source-rule precision, the decennial liability carved out for fixed installations, and a cap that runs sequentially with the K4K rather than against it. Insurance has to match the indemnity, with proper additional insured endorsements and subrogation waivers. None of this is exotic. All of it is missed regularly.

For UAE operators, drilling contractors, well services contractors, and OFS providers negotiating MSAs and offshore project contracts, our offshore energy team drafts and reviews K4K clauses, indemnity packages, and insurance back-up. The work is most useful before signature, when drafting choices still have the full range of options, rather than after a claim has hit.

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