...田水；聚气成藏； 评价预测；上三叠统； 川西 坳陷 [gap=1148]Key words：gas-field water；gas accumulation and preservation；gvaluation and prediction；the upper triassic；the western sichuan depression ..
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Tectonic holistic preservation is the main geologic setting of natural gas accumulation and the significant condition of late gas replacement and preservation.
整体封存构造保存条件是该盆地天然气成藏的主体地质背景和晚期成藏保存的主要条件。
As it has long been in relatively stable tectonic setting, it provides the favourable geologic conditions for oil-gas generation, accumulation and preservation.
由于盆地长期处于相对稳定的大地构造环境，这就为油气的生成、聚集、保存提供了有利的地质条件。
The typical deep basin gas accumulation is usually of the properties of piston_typed migration way, up grow_typed accumulation and actively dynamic preservation models, whi.
游离相天然气在从运移到聚集和保存的过程中，通常存在着深盆气藏和常规圈闭气藏两种机理模式。
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