Please note: Whenever the term "ERCB" is used, it is meant to refer to the ERCB and any former names held by the organization.
Effective December 15, 2006 there are three processes to manage the commingling of production in the wellbore. Any questions pertaining to information presented on this page or linked from this page can be directed to eub.commingling@gov.ab.ca

Development entity in accordance with section 3.051 of the Oil and Gas Conservation Regulations
Self-declared commingling in accordance with section 3.051(2) of the Oil and Gas Conservation Regulations
Applications in accordance with Directive 065.

Development Entity Orders

A Development Entity (DE) is an entity consisting of multiple formations in a specific area described in an order of the ERCB, from which gas may be produced without segregation in the wellbore subject to certain criteria specified in section 3.051 of the Oil and Gas Conservation Regulations and more fully described in Directive 065.

Development Entity Order 1
Development Entity Order 2
Development Entity Order 2A

Commingling Orders

MU Orders - A list of current Commingling orders (in PDF) by field name. Updated orders are posted weekly.

Control Well Requirements - Information on data requirements for gas production from coalbed methane and shale gas, as well as CBM Pressure and Flow Control Wells and CBM Desorption Control Wells. This page also contains forms.