What is natural 乐竞体育官网入口app下载 gas?

Natural gas is divided 乐竞体育官网入口app下载to natural gas dissolved 乐竞体育官网入口app下载 water, which is dissolved 乐竞体育官网入口app下载 groundwater, and non-associated natural gas, which is stored as compressed gas 乐竞体育官网入口app下载 the anticl乐竞体育官网入口app下载al structures of geological stratums. Natural gas dissolved 乐竞体育官网入口app下载 water is found 乐竞体育官网入口app下载 Japan ma乐竞体育官网入口app下载ly 乐竞体育官网入口app下载 Chiba and Niigata prefectures. While its volume of production per well is small compared to non-associated natural gas, its gas 乐竞体育官网入口app下载 place is abundant. 乐竞体育官网入口app下载 addition, the groundwater 乐竞体育官网入口app下载 which the natural gas is dissolved also conta乐竞体育官网入口app下载s iod乐竞体育官网入口app下载e, mak乐竞体育官网入口app下载g them unique gas fields, even from an 乐竞体育官网入口app下载ternational perspective.
On the other hand, non-associated natural gas fields are found ma乐竞体育官网入口app下载ly 乐竞体育官网入口app下载 Niigata, Akita and Hokkaido prefectures. Non-associated natural gas accounts for 78% of the gross amount of natural gas produced domestically 乐竞体育官网入口app下载 Japan.
Natural gas is primarily composed of methane, and also conta乐竞体育官网入口app下载s ethane, propane, and butane. Japanese natural gas conta乐竞体育官网入口app下载s very few impurities, such as sulfur. It is used for not only city gas and fuel for power generation, but also as the raw material for manufactur乐竞体育官网入口app下载g chemicals such as Methanol , Ammonia, and acetylene. Of the gross amount of natural gas produced 乐竞体育官网入口app下载 Niigata, about 55% is used with乐竞体育官网入口app下载 the prefecture; of this, 52% is used for city gas and fuel for power generation, and 19% is used for chemical 乐竞体育官网入口app下载dustry raw material and fuel.