Santos Ltd acquired a 45% in retention lease WA-55-R, located in the North Carnarvon Basin, on 21 December 2017.Â  Santos has acquired the interest partly from operator Quadrant Northwest Pty Ltd and partly from the withdrawal of previous holder Harriet (Onyx) Pty Ltd. Harriet (Onyx) Pty Ltd had held a 20% interest in the licence.Â  This, as well as 25% of Quadrantâs holding, has now been assigned to Santos, which had no previous interest in the licence.Â   WA-55-R contains the Kultarr 1 gas discovery, which was made in 2005.Â  Current work commitments for the licence include review of the discovery and evaluating options for its development. At the time of this deal, Santos also acquired a 45% interest in a number of other Quadrant permits within the North Carnarvon Basin â WA-43-R, WA-50-R, WA-499-P and WA-501-P.Â  Santos also increased its holding, to 45%, in exploration permit WA-01-P. WA-55-R, which covers an area of 139 sq km, was awarded on 1 May 2014.Â  Now that Santos has acquired interest and Harriet (Onyx) had withdrawn, participants in the permit are Quadrant Northwest Pty Ltd (55% + Operator) and Santos (BOL) Pty Ltd (45%).Â   Â 
Santos acquired a 45% in retention lease WA-55-R from Quadrant NW and partly from the withdrawal of previous holder Harriet (Onyx). 