Far North Region, Cameroon Logone rises west of the territory and flows north to form most of the border between the Far North and Chad. It eventually meets the Chari, which also rises in Chad. The Chari forms the remainder of the Chad-Cameroon border beginning at Kousséri before emptying into Lake Chad. These rivers all follow a tropical regime, fluctuating between high water in the wet season (May to September) and low water in the dry season (October to April). At the height of the dry season, many of the waterways disappear completely or else diminish to a mere trickle. The Logone all but
Chad–Cameroon Petroleum Development and Pipeline Project which provided $46.6 million to finance Cameroon and Chad's equity in COTCO and TOTCO. Included in plans for the project was a revenue management law developed by the World Bank. This separated the oil revenues given to Chad into four required areas: a Future Generations Fund, health, education and other development projects, a fund to compensate the Doba region of Chad from where the oil was extracted and government reserves. The revenue management law also created the Petroleum Revenue Oversight Committee, which oversees how the oil revenues are spent, and includes members of both the Chadian government and civil society.