The licensed block (384 sq. km) is located in the central part of Sea of Azov.
Water depth: 9–13 m.
Relief of the sea-bed: plain-type.
A port with rail terminals: Taganrog, Temruk, Primorsko-Ahtarsk, Yeisk.
Climate: continental and temperate with mild short winter and warm long summer seasons.
Ambient temperature: mean annual +10.6°C; maximum +43°C; minimum -5°C.
Winds: mean annual wind speeds 5.3–6.9 m/s; storm speeds of max. 20 m/s are notable in any seasons, of above 20 m/s — in the period from October through April.
Waves: maximum height in the open sea — 3 m.
Water temperature: mean annual +11.5°C; maximum +25°C; minimum is close to a freezing point.
Ice: in severe winter seasons consolidated or very compact, floating; in mild winter seasons most of the sea area is free of ice and floating ice with concentration of 7–8 points covers it only in February. Maximum ice thickness 80–90 cm.
Currents: mostly wind-generated, speed of summarized currents reaches 3.5 km/hour.
Navigation: average 290–300 days; maximum 330–340 days; minimum 270–280 days.
CJSC “Chernomorneftegaz” is a member of a group of companies-owner of ports Tuapse (the Black Sea) and Taganrog (the Sea of Azov) having wide-range fleet auxiliary (supply vessels, rescue and salvage ships, fire-fighting vessels, oil garbage disposal vessels etc.).
Ports Tuapse and Taganrog are the base port for development of oil-and-gas resources of the licensed block.