Opened 4 years ago

Last modified 10 days ago

#188 assigned enhancement

The darcy

Reported by: Martin Vlietstra Owned by: Gunther Schadow
Priority: minor Milestone: Version 2.2
Component: unit definitions Keywords:


The darcy (symbol D) is a cgs unit of permeability that is widely used in the petroleum industry. Its formal definition is "a unit of permeability, representing the flow, at 1 atmosphere, of 1 cubic centimeter of fluid with 1 centipoise viscosity in 1 second through a 1-square-centimeter cross section of porous medium 1 centimeter long." (

Change History (3)

comment:1 Changed 4 years ago by Gunther Schadow

Component: helpunit definitions
Milestone: Version 2.1
Owner: set to Gunther Schadow
Status: newassigned

Sounds like a well defined unit we could add.

comment:2 Changed 3 years ago by Gunther Schadow

Milestone: Version 2.1Version 2.2

Ticket retargeted after milestone closed

comment:3 Changed 10 days ago by Simon Cox

Also see 1 Darcy = 0.9869233 µm² (um2)

It is included in the OM system

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