On 6 November 2019, Talos Energy announced it will initiate a process to sell down part of its 100% working interest at the Hershey prospect in Q4 2019. On 19 September 2019, Talos announced it had entered into an agreement with ExxonMobil to acquire 100% interest in the Hershey prospect covering Green Canyon blocks 326 (G34977), 327 (G34978), 370 (G34980) and 371 (G34981). Detailed terms of the deal were not divulged, other than it is 100% contingent-based and contains no well commitment.    On 1 July 2020, the Bureau of Ocean Energy Management (BOEM) approved exploration plan N-10093 filed by Talos on 21 November 2019. The plan details the drilling of up to eight wells in the Hershey blocks: one on the far east-central side of GC 326, three in the southwest quarter of GC 327, one in the southwest quarter of GC 370 and three in the northwest quarter of GC 371. The surface locations for the proposed wells lie in 2,793 â 3,079 ft (851 â 938 m) of water, about 112 mi (180 km) southwest of the onshore supply base at Port Fourchon, Louisiana. The company plans to use a dynamically positioned semisubmersible or drillship for the operations. The plan calls for the drilling, abandoning and completing of each well to take up to 90 days.  Hershey is a large subsalt prospect, with potential for several stacked Miocene-aged reservoirs. Talos estimates the prospect may hold oil-weighted, gross unrisked resources of 100-300 MMboe. Depending on the size of a discovery, it could be developed as a subsea tieback to various facilities in Green Canyon controlled by Talos or with new infrastructure dedicated to the field. The blocks lie in up to 3150 ft (960 m) of water, about 112 mi (180 km) southwest of the onshore supply base at Port Fourchon, Louisiana  Exxon picked up the blocks at Sale 227 on 20 March 2013 with combined sole bonus bid of USD 99.7 million. Competition for the blocks included Maersk (sole bid), and Ecopetrol and Murphy (bidding jointly). Combined second-place bids for the blocks were USD 41.8 million.
United States (Deep Water Gulf of Mexico B.) GC 326 op. by TALOS (100%), on 6 November 2019, Talos Energy announced it will initiate a process to sell down part of its 100% working interest at the Hershey prospect in Q4 2019.