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Home > Journal > Advance publication

The Use/Impact of Model Form Oil Service/Construction Contracts in International Practice - Some Thoughts Arising from A 'Knock-for-Knock' Dispute

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U. Vass
U. Vass

Published 6 August 2026

Opening Facts

In 2023, the author was instructed by an international law firm to act as an expert witness in an international arbitration (the LCIA Case) between an oil company "Company A" and a downhole services provider "Company B". VassPetro Limited was hired to testify for Company A. At issue was the proper interpretation of a "knock-for-knock" (K4K) clause found in a downhole services contract (Downhole Services Contract). The Downhole Services Contract was subject to English law as well "as by principles and practice generally accepted in the international petroleum industry". Under the facts at issue, Company A also contracted with a drilling company (Company C) which employed a certain individual (X). Due to the alleged fault of Company B, X was tragically killed. The estate of X reached a settlement with Company B. ...

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Suggested Citation

U. Vass (2026, forthcoming) "The Use/Impact of Model Form Oil Service/Construction Contracts in International Practice - Some Thoughts Arising from A 'Knock-for-Knock' Dispute"
(OGEL, ISSN 1875-418X) August 2026, www.ogel.org

"Advance publication" is the name given to material that is published ahead of its appearance in a regular structured issue of our Journal. It is also possible to monitor this via RSS. Subscribers will receive update alerts via e-mail of the published articles as soon as they have been added to the website.

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