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HONG KONG, Dec. 24, 2025 /PRNewswire/ — CNOOC Restricted (the “Firm”, SEHK: 00883 (HKD Counter) and 80883 (RMB Counter), SSE: 600938) at this time proclaims that the Firm has made a serious oilfield discovery of Qinhuangdao 29-6 within the shallow Neogene formations of the Bohai Sea, which provides over 100 million tons of oil equal in-place.
Qinhuangdao 29-6 Oilfield is situated in central Bohai Sea. The primary oil-bearing play is Neogene Minghuazhen Formation, characterised by shallow burial depth. The oil property is medium-heavy crude. The invention effectively was drilled and accomplished at a depth of 1,688 meters, which encountered a complete of 66.7 meters oil pay zones and was examined to supply roughly 2,560 barrels of crude oil per day. By continued exploration, the proved in-place quantity of Qinhuangdao 29-6 Oilfield has exceeded 100 million tons of oil equal.
Mr. Xu Changgui, the Chief Geologist of the Firm, mentioned, “CNOOC Restricted has made a big discovery by enhanced analysis on hydrocarbon migration and accumulation fashions in shallow Neogene slope zones, coupled with technological innovation. This achievement challenges the standard understanding that slope areas merely function pathways for hydrocarbons moderately than websites for substantial accumulation. It additional highlights the appreciable exploration potential of uplifted peripheral slopes in settings influenced by intense extensional–strike-slip faulting.”
Qinhuangdao 29-6 Oilfield is the second one-hundred-million-ton-class lithological oilfield found within the mature exploration space of the Shijiutuo Uplift, additional highlighting the worth of wonderful exploration and consolidating the useful resource base for growing reserves and manufacturing for the Firm.
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Notes to Editors:
Extra details about the Firm is on the market at https://www.cnoocltd.com.
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For additional enquiries, please contact:
Ms. Cui Liu
Media & Public Relations
CNOOC Restricted
Tel: +86-10-8452-6641
Fax: +86-10-8452-1441
E-mail: mr@cnooc.com.cn
Mr. Cheng Yao
Ever Bloom (HK) Communications Consultants Group Restricted
Tel:+852 5540 0725
Fax:+852 2111 1103
E-mail: cnooc.hk.checklist@everbloom.com.cn

















