This architectural drawing is a Detail drawing of an oil pit in AutoCAD, dwg file, and CAD file. They are dug near a drilling rig and are typically used to store drilling mud and fluids in natural gas or oil fields. They are also known as oil cleanup pads, lagoon liners, oilfield pits, frack pad liners, drilling pad liners, or temporary storage pits. For more details and information download the drawing file. Thank you for visiting our website cadbull.com.