2D-CAD drawing standard (Rev. 1, October 1997)
References to non-existing files have been deleted 2003-12-15.
The primary purpose of the standard is to define a common format for drawing files in the hand-over phase between companies.
The entire lifetime of the drawing file has been taken into account; from the very beginning of a project to operation and maintenance phase. The standard is divided into a general part and specific annexes for the two most common 2D-CAD systems in the oil and gas industry.
Additional requirements: ConocoPhillips