The northern Gulf of Mexico (GOM) features all necessary elements for the formation and preservation of subsurface gas hydrates, including a prolific petroleum system, a variety of structural and stratigraphic migration pathways that focus hydrocarbon migration into the shallow sediments, variable geothermal gradients that support a locally thick gas hydrate stability zone, and silt- and sand-rich depositional systems both on the shelf and in the deep basin that provide potential host reservoirs. Consequently, gas hydrates have been a focus of study in the GOM since the early 1980s. Initial work detailed the occurrences of massive seafloor gas hydrate “mounds” and...

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特刊简介：墨西哥湾深水区绿色峡谷955号的天然气水合物：第一部分

墨西哥湾北部（GOM）具有形成和保存地下天然气水合物的所有必要元素，包括多产的石油系统，各种结构和地层运移路径（将烃运移集中到浅沉积物中），可变的地热梯度来支持一个在本地较厚的天然气水合物稳定带，以及在架子上和在深盆地中都富含淤泥和沙的沉积系统，这些沉积系统提供了潜在的宿主储层。因此，自1980年代初以来，天然气水合物就一直是GOM研究的重点。初步工作详细说明了大量海底天然气水合物“土堆”的发生和...