Mancal Energy Inc.
One of Canada’s longest operating, family-owned upstream oil and gas companies. Mancal Energy Inc. (MEI), is committed to responsible energy development and adding value to it’s stakeholders.
24-Hour Emergency Line:
1-866-221-2984
Mancal Energy Inc.
MEI’s commitment to excellence is evident in its strategic operations, which span exploration, development and production of oil and natural gas. The company’s diverse energy mix ensures stability and resilience, positioning MEI as a reliable partner in the global energy market.
Owned and Operated Assets
- Mancal operates over 80% of our production volumes.
- Mancal owns and operates most of the pipelines, compressor stations, gas plants and batteries that its wells are connected to, assuring low costs and guaranteed operations.
Fostering Strong Relationships
- Treating investment partners equitably and fairly.
- Local stakeholders are important, we want to ensure we understand and develop strong relations within our places of operation.
- The service sector is vital, we rely on strong partnerships with the services we employ.
High Integrity and Governance
- MEI prides itself on its corporate governance, taking advantage of decades of knowledge from within the Mancal Group and from its independent Directors.
- Strick conformance to regulatory matters is a top priority.
Environmental Conservation
- We maintain high standards when it comes to protecting the environment that we extract resources from.
- Through the Mancal Group of companies, we have a history of environmental leadership in reclamation, dating back to the 1950’s.
Safely and successfully operating for more than 27 years.
Alberta focused assets, with operations in Pembina, Rimbey, Karr, Redwater and other minor areas.
Committed to community. We work hard and have fun.
Dedicated to fostering active engagement and open and transparent communication.
“At MEI, we’re powered by strong assets, a talented team and a clear vision for growth. Our commitment is to deliver lasting value to shareholders and partners through disciplined investment in high-potential opportunities.”
– Byron Lutes
Corporate Information
Head Office
2400, 530 – 8th Ave SW
Calgary, Alberta T2P 5G2
Email mei-info@mancal.com
Phone 403.231.7680
Fax 403.231.7632
Mailing Address
PO Box 2516
Station M
Calgary, Alberta, Canada
T2P 2M7

Auditors
- KPMG
Bankers
- Royal Bank of Canada
- ATB Financial
- Canadian Imperial Bank of Commerce
- National Bank of Canada
- Business Development Bank of Canada
- Peters & Co.
Engineering Consultants
- GLJ Inc.
Legal Council
- Osler, Hoskin & Harcourt, LLP

Head Office
2400, 530 – 8 Avenue SW
Calgary, AB T2P 3S8
Email mei-info@mancal.com
Phone 403.231.7680
Fax 403.231.7632
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Vendor Resources
Supplier Requirements
Mancal Energy Inc. (“MEI”) does business with a variety of suppliers and considers these relationships to be instrumental in our success. To enable you on our system and keep information up to date we require an EFT Form to be completed.
MEI utilizes OpenInvoice, an online application, that allows our suppliers to submit invoices electronically at no cost. This is an innovative approach to improving overall business processes which is a requirement when doing business with MEI.
- Invoice is received following its submission by the vendor
- The invoice is electronically routed directly to the department
- Immediate notification to the vendor when an invoice has been disputed
- Vendor can monitor progress of each invoice including the payment
To be active in our systems and onboarded with OpenInvoice please provide the supplier information form along with your first invoice to ap.calgary@mancal.com.
OpenInvoice Information
Register to become an OpenInvoice supplier company. You will need to provide the information as it appears on your invoices and other business documents.
Invoice Requirements
When an order is placed, a MEI representative will provide you with the following:
- Cost Center and/or AFE Number
- Location or UWI
- Major and Minor Account Coding
When submitting an electronic invoice, please provide all the information on the attached detailed Invoice Submission Guidelines. Additional backup previously provided along with an invoice will be required as an electronic attachment when an invoice is submitted. This may include backup in the form of a work order, field ticket or packing slip. This backup must be signed by a MEI representative.
Please be advised that Mancal Energy Inc. does not accept paper or emailed invoices.
EFT Requirements
MEI’s primary payment processing is through EFT which allows your company to receive a secure payment directly into your bank account along with an email remittance on the same day the payment is issued.
Please complete the Electronic Funds Transfer Authorization Form and supply one of the following supporting documents which match the information in the form to ap.calgary@mancal.com.
- Void cheque (physical scanned copy)
- Official bank letter
- A direct deposit form on banking letterhead