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OTHER NON-CURRENT ASSETS
 12 Months Ended
Dec. 31, 2022
OTHER NON-CURRENT ASSETS [Abstract]  
Other non-current assets
20.OTHER NON-CURRENT ASSETS
Other non-current assets is comprised of the following:
(in thousands of $)20222021
Gas derivative instrument (note 27)196,184 — 
Oil derivative instrument (note 27)
182,795 127,480 
MTM asset on IRS derivatives (note 27)54,970 — 
MTM asset on TTF linked commodity swap derivatives (note 27)39,785 — 
Operating lease right-of-use-assets (1)
5,653 10,293 
Others (2)
32,652 3,673 
Other non-current assets512,039 141,446 
(1) Operating lease right-of-use-assets mainly comprise of our office leases.

(2) Included within “Others” for the year ended December 31, 2022 is expenditure on engineering services and long lead items of $16.7 million and $10.4 million, respectively, for our Mark II FLNG, one of our FLNG design models for prospective conversion of an existing LNG carrier to a FLNG and $2.9 million of engineering and other professional fees in preparation for the conversion of the Golar Arctic pursuant to the terms of Arctic SPA.