川东石炭系中的天然气属于油型气，初为原油，曾经聚集于印支运动中形成的梁平—长寿古隆起带里，形成油藏。
The Carboniferous natural gas in eastern Sichuan is of cracked gas which had been accumulated, originally as oil, in Liangping-Changshou palaeohigh belt that was formed by Indosinian movement.
根据渤海湾富油盆地天然气的分布特征，探讨了该盆地主要天然气聚集带的地质特征及形成条件。
The geological characteristics and formation conditions for the main natural accumulation belts in Bohai Bay basin of East China are analyzed.
油井见到了明显的增油降水效果，水驱后油层中形成了新的含油富集带。
The producing Wells have obvious effect of oil increasing, and a new enriched oil zone is formed in the water flooded reservoir.
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