The main reservoir rock is water channel, then the sand sheet, others are less.

主要储集砂体为水道砂体，其次为席状砂体，其它砂体较少。

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Relationship between sedimentary facies and hydrocarbon distribution shows that most favorable oil and gas accumulation zones occur in the mouth bar, distal bar and sand sheet.

该区沉积相与油气分布关系分析表明，河口坝、远砂坝和席状砂微相是最有利的油气聚集带。

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Then we laid down sheets with electric pads on top of them, then another sheet on top of that, then the sand on top of the that, so the sand covered an area of about three feet.

我们在床单上垫了一层电热垫，再垫上一层床单，最后把沙子辅在最上层，这样沙子总共覆盖了大约3英尺。

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