The icon is a picture of the logo for Well. The icon has two lengthy upright rectangular structures holding a horizontal spool up. The spool has rope attached to it to hold the bucket up above the well.
This Well icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,700 icons, all in the same style and quality.