岩屑

The flowline for air or gas drilling.

Blooie line（气体钻井的排管）.

51. The cower unit of the Eagle is a wellsorted lithic and glauconitic marine sandstone.

伊格尔砂的下部单元是分选良好的和海相海绿石。

They mainly consist of sandstone,in which quartzarenite and litharenite are dominant and arkose is lack.

碎砂为主，其又石英砂和砂为主，缺少长石砂。

The middle oil-member is characterized by medium-sized sandstone and pebbled sandstone, with fair sorting and subangular sphaericity.Rock types mainly were feldspar debris sandstone.

组主要沉积砂和含砾砂，粒度整体较粗，分选性较好，磨圆度次棱角状为主，石型为长石砂。