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Notice of Application
OSCA Application 1934654
EPEA Application 019-00149968
Canadian Natural Resources Limited
Horizon Oil Sands Processing Plant and Mine

The Alberta Energy Regulator (AER) has received Oil Sands Conservation Act (OSCA) application 1934654 and Environmental Protection and Enhancement Act (EPEA) application 019-00149968 from Canadian Natural Resources Limited (Canadian Natural). This notice sets out the deadline for filing a statement of concern under the section How to File a Statement of Concern.

Description of the Applications
Canadian Natural has applied under OSCA and EPEA to install a second heater (32-F-2) for the Vacuum Distillation Unit (VDU) at the Horizon Oil Sands Processing Plant. The proposed second heater is required to improve process and operational reliability by providing redundancy for the currently approved VDU heater (32-F-1) during normal operations, equipment shutdowns or maintenance periods.

The Horizon Oil Sands Processing Plant and Mine is approximately 70 km north of Fort McMurray. It occupies most of Townships 96 and 97, Ranges 11 and 12, and extends into Townships 96 and 97, Range 13, all West of the 4th Meridian. Regarding the proposed second heater’s location, it will be at SE-20-096-11W4M.  

For a copy of the applications, contact

Canadian Natural Resources Limited
2100, 855 – 2 Street SW 
Calgary, Alberta  T2P 4J8 
Attention: Michelle MacDonald
Telephone: 403-386-8178 

To view the applications and supporting documents, use the Integrated Application Registry (IAR) query tool available under Systems & Tools on the AER website, To receive a copy of the application and supporting documents, submit an information request, as outlined at, to

AER Information Distribution Services
Suite 1000, 250 – 5 Street SW
Calgary, Alberta T2P 0R4
Telephone: 1-855-297-8311 (toll free; option 0)
Fax: 403-297-7040

Refer to this notice when requesting information for a faster response.

Requirement to File a Statement of Concern 
If you have concerns with these applications, you must file a statement of concern as described below. If you do not file a statement of concern, the AER may approve the applications without further notification.

How to File a Statement of Concern
For your submission to be considered a valid statement of concern, it must be filed before 4:00 p.m. on November 22, 2021. Statements of concern can be filed online via a web-based form on the AER website, or they can be sent by mail or email as outlined below:

One copy of your statement of concern should be submitted to Canadian Natural at the name and address above.

Contents of a Statement of Concern
For your submission to be considered a valid statement of concern, it must include 

  1. why you believe you may be directly and adversely affected by a decision of the AER on the applications; 
  2. the nature of your objection to the applications;
  3. the outcome of the applications you advocate;
  4. the location of your land, residence, or activity in relation to the location of the energy resource that is the subject of the applications; and 
  5. your contact information, including your name, address in Alberta, telephone number, and email address or, if you do not have an email address, your fax number.

The AER also requests that you include the application numbers in your statement of concern.

Section 49 of the Alberta Energy Regulator Rules of Practice (Rules of Practice) requires that all documents and information filed in a proceeding be placed on the public record. If you file a submission, you must not include any personal information that you do not want to appear on or are not authorized to put on the public record. Section 49(2) of the Rules of Practice states how to apply to the AER for an order to keep information confidential. The Rules of Practice is available on the AER website at

Submissions relating exclusively to compensation for land use are not dealt with by the AER and should be referred to the Land and Property Rights Tribunal (formerly the Surface Rights Board).

Under section 21 of the Responsible Energy Development Act, the AER does not have the jurisdiction to assess the adequacy of Crown consultation associated with the rights of aboriginal peoples as recognized and affirmed under the Constitution Act, 1982.

For information on AER procedures, contact the Regulatory Applications’ specialist, Doug Koroluk, by phone at 403-297-6306 or by email at @email.

Issued at Calgary, Alberta, on October 22, 2021
Charlene Graham, General Counsel