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Notice of Application
OSCA Application 1912063 
EPEA Application 014-149968
Canadian Natural Resources Limited
Horizon Oil Sands Mine and Processing Plant  

The Alberta Energy Regulator (AER) has received Oil Sands Conservation Act (OSCA)application 1912063 and Environmental Protection and Enhancement Act (EPEA) application 014-149968 from Canadian Natural Resources Limited (CNRL) for approval of the High Temperature Paraffinic Froth Treatment (HTPFT) Project.

This notice sets out the deadline for filing statements of concern. For filing dates, see the section below on how to file a statement of concern.

Description of the Applications

CNRL has applied to amend its OSCA and EPEA approval for the Horizon Oil Sands Mine and Processing Facility (Horizon).

The proposed HTPFT Project is located within the existing Horizon footprint and would add a high-temperature paraffinic froth treatment process to produce 7157 cubic metres per calendar day (45 000 barrels per calendar day) of partially deasphalted bitumen in addition to the synthetic crude oil currently produced at Horizon.

The Horizon project is about 70 kilometres north of Fort McMurray, Alberta, in Townships 96 and 97, Ranges 11, 12, and 13, west of the 4th Meridian. Subject to regulatory approval, construction is expected to start in the third quarter of 2019, and production is expected to begin in 2022.

For a copy of the applications, contact

Canadian Natural Resources Limited
Suite 2500, 855 – 2nd Street SW
Calgary, Alberta T2P 4J8
Attention: Michelle MacDonald, Regulatory Coordinator
Phone: 403-386-8178
Fax: 780-828-3750
Email: @email

To receive a copy of the applications and supporting documents, submit an information request, as outlined at, to

AER Order Fulfillment
Suite 1000, 250 – 5 Street SW
Calgary, Alberta  T2P 0R4
Telephone: 1-855-297-8311 (toll free; option 2)
Email: @email

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 notice.

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 September 4, 2018. Send one copy of your statement of concern to CNRL at the name and address above and one copy to

Authorizations Branch
Alberta Energy Regulator
Suite 1000, 250 – 5 Street SW
Calgary, Alberta T2P 0R4
Fax: 403-297-7336
Email: @email 

Contents of a Statement of Concern

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

  1. why you believe that 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 that you advocate;
  4. the location of your land, residence, or activity in relation to the location of the energy resource activity 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 asks that you include the application number 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 Alberta 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 Authorizations specialist Doug Koroluk, by phone at 403-297-6306 or by email to @email.

Issued at Calgary, Alberta, on August 3, 2018.


Patricia M. Johnston, Q.C., General Counsel