Santa Cruz省地处偏远，人口稀少，但富藏石油和天然气。
Santa Cruz is remote and sparsely populated, but rich in oil and gas.
天然气水合物是在一定温度、压力条件下形成的烃类资源，富存于陆坡、深海及极地永冻土层中。
Gas hydrate is hydrocarbon resources formed under certain temperature and pressure, occurring in continental slope, deep sea or permanent frozen strata in the poles.
长岭断陷是一个富气凹陷，天然气勘探取得较大突破，其深层发育了优质的烃源岩。
A big breakthrough of natural gas exploration were made in petroliferous Changling Faulted Depression, and high quality source rocks were also developmented in this region.
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