黑海是欧洲东南部和小亚西亚之间的内海,是古地中海的一个残留盆地。从20世纪70年代到90年代科学家多次在黑海发现了天然气水合物样品,证实了天然气水合物广泛分布在黑海陆坡、陆脚和深水盆地。综述了多篇文献对黑海水合物气的资源评价结果:黑海天然气水合物稳定带的厚度依据海底深度变化而变化,海底深度越大,气水合物稳定带的厚度越大,反之亦然;黑海气水合物稳定带沉积物体积为25600～30000km2,天然气水合物的体积为(300～350)×109m3,其中天然气水合物所含的天然气为(42～49)×1012m3。

The magnitude and spatial distribution of potential Black Sea methane hydrate reservoirs has been estimated. The calculations show that average water depth from which methane hydrate starts to forms in the Black Sea runs from 620 to 700 m,embracing a prone area of 288 100 km+2,ie, 91% of the deep Black Sea basin,The average thickness of the MHSZ is 303 m with a bulk of sediment running from 85 310 to 100 280 km³,The evaluations show the hydrate contents of 77～90 to 350×10⁹ m³,ie, about 10 to 50×10¹² m³ of gas methane are trapped within the Black Sea sediments in the form of hydrate.