Horizon Oil advises that drilling has commenced on the first of two exploration wells in Beibu Gulf Block 22/12. The first well, WZ 12-10-1, is targeting the T42 and Weizhou West formations, adjacent to the WZ 12-8E field of the WZ 12-8 Development Area. The second planned well in the sequence is the WZ 12-10-2 well, located adjacent to the WZ 12-8W field (see prospect map below). Concurrently, the Development Area has been expanded to fully include the prospect, increasing the WZ 12-8 Development Area by 8.8 sq km to 66.6 sq km.
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