The main reservoir rock is water channel, then the sandsheet, 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。
2
Relationship between sedimentary facies and hydrocarbon distribution shows that most favorable oil and gas accumulation zones occur in the mouth bar, distal bar and sandsheet.
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。
3
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.