In Alberta, there are two lien deadlines for work associated with oil and gas. Depending on the type of work that you have provided, you may be eligible for either the 45 or 90-day lien deadline. 

90-day Deadline 

If the work that you have provided is directly related to the extraction of minerals, then you will have 90 days from the last day of supply of originally contracted work to have your lien registered. An example of work that would qualify for the 90-day deadline is provision of well cementing improvement services. 

45-day Deadline  

If the work that you have provided is NOT directly related to the extraction of minerals, then you will have 45 days from the last day of supply of originally contracted work to have your lien registered. An example of work that would qualify for the 45-day deadline is Provision of roof repair services to an oil production plant. 

It is important to note that the date that an invoice was issued or the date that touch-up or deficiency was done cannot be used as the date of last supply to a project.  

Perfection Period 

The perfection process involves filing a statement of claim in relation to your lien. This process prevents your lien rights from expiring and must be done by a lawyer. The perfection period for Alberta Builders’ Liens registered under either lien deadline is the same. You have 180 days from the date your lien was filed to have your lien perfected.  

To calculate your lien deadline, use our lien deadline calculator:
https://www.lien-pro.com/lien-date-calculator

If the work that you have provided is directly related to the extraction of minerals make sure to click the box above the Submit button. 

If you have any questions about Oil and gas liens do not hesitate to give our office a call (866-266-0117) 

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