This icon shows a gas rig. There is a tower with criss-crossing lines that form three x's. There is a vertical line going through the middle of the rig and a little flame on top.
This Gas Rig 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.