Santos Ltd spudded the Jarrar 4 vertical oil appraisal well in PL 77, located in the Cooper-Eromanga Basin, on 11 October 2018.Â  It was drilled by the âEnsign 950â land rig. On 18 October 2018 joint venture partner Bounty Oil and Gas reported that the well had been suspended, as a future oil production well, after reaching a total depth of 1,947 m. An oil column within the Birkhead and Hutton formations was encountered during drilling.  The well was drilled to target the Hutton Formation as a primary objective.Â  It was drilled on the Jarrar oil field, which was discovered in December 1990, and has been producing since 1991. Jarrar 4 was the first of two appraisal wells to be drilled on the field, followed by Jarrar 5.  PL 77, which covers an area of 12 sq km, was awarded on 24 November 1994.Â  Participants in the licence are Santos Ltd (40% + Operator), Santos subsidiary Vamgas Pty Ltd (15.5%), Beach Energy subsidiaries Delhi Petroleum Pty Ltd (32%) and Mawson Petroleum Pty Ltd (15.5%), Bridgeport Energy (Eromanga) Pty Ltd (2%), Bounty Oil and Gas NL (2%) and Energy World Corp subsidiary Australian Gasfields Ltd (2%).
Santos Ltd Jarrar 4 (oil appraisal) PL 77, Cooper-Eromanga Basin - Susp, oil