Still, many gas producers are happy enough with the archaic pricing structure, particularly when oil prices are high.
而且，很多天然气制造商对旧的定价结构很满意，特别是当原油的价格高涨的时候。
2
Oil and natural gas generation, migration and accumulation and geological structure has a close relationship.
石油和自然气的天生、运移和聚集与地质构造有着密切的关系。
3
"Offshore unit" means any fixed or floating offshore installation or structure engaged in gas or oil exploration, exploitation or production activities, or loading or unloading of oil.