As of late 2018, local sources indicated that technical operator Noble Energy Inc (Noble) was in the process of transferring its interest in the C-37 (Yoyo) permit, offshore Douala Basin, to an undisclosed company. The permit comprises a large gas and condensate deepwater discovery, namely Yoyo-Yolanda, which straddles the offshore border with Equatorial Guinea. Atlas Petroleum and Noble agreed in mid-2017 to jointly develop the asset as a unitized gas field. However, as of early 2019, the unitization agreement for the joint exploitation has still not been signed.  Another ongoing issue for the development of this joint project is the setting of the reserves split between both countries. Geologically, the Cameroons part of the field (northeast) is situated on the updip sector, where larger reserves are believed to be concentrated. The reserves split will of course determine the interest split and ultimately the oil revenues attributed to each country. Both accumulations were discovered by technical operator Noble Energy in late 2007.
Cameroon Noble was in the process of transferring its interest in the C-37 (Yoyo) offshore permit, to an undisclosed company.