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Apply for Gas Reservoir Storage and Cavern Storage and Disposal

Apply to build, modify or expand an underground gas reservoir storage, cavern storage or cavern waste disposal project in Saskatchewan.

1. Guidance

An operator must apply and receive authorization from Saskatchewan's Ministry of the Economy before licensing, recompleting or reclassifying a well for the purposes of reservoir storage, cavern storage or disposal, as outlined in Section 17 of The Oil and Gas Conservation Act.

For more information see:


2. Eligibility

To apply for a storage project authorization, applicants must:

  • Have an IRIS account and the appropriate permissions assigned by your IRIS Security Administrator.
  • Meet the minimum requirements for design, construction, testing, operation, maintenance, and repair of an underground storage (reservoir and cavern) or disposal (cavern) project according to the latest edition of the Canadian Standards Association (CSA)'s Standards:
    • CSA Z341.1 & 2: Storage of Hydrocarbons in Underground Formations
    • CSA Z341.4: Salt Cavern Waste Disposal
  • Complete the required public notices as outlined by the Directive PNG009: Public Notice Requirements.
    • It's the responsibility of the applicant to identify any potentially or directly affected parties outside of the minimum notification area and provide notification to these parties.
  • Meet the requirements outlined in Directive PNG008: Disposal and Injection Well Requirements Directive.
  • For a gas reservoir storage project:
    • Reservoir storage projects must be operated in productive or depleted reservoirs that ensure gas conservation, equity, environment, and safety issues are addressed, and the uncontrolled escape of gases is prevented.
    • Geological and engineering data demonstrates the reservoir is suitable for gas with sound conservation practices.
  • For a salt cavern storage or disposal project:
    • All caverns are designed, constructed, and operated to maintain cavern and wellbore integrity by:
      • Ensuring the suitability of the injected fluid, disposed waste, or stored product;
      • Ensuring the structural stability of the salt bed and overlying formations is preserved;
      • Protecting the surface and subsurface non-saline water and other fluid/gas bearing zones; and
      • Ensuring initial and ongoing containment of injected fluid, disposed waste, and stored product, protects groundwater and public safety. 
    • A cavern must not be used if it has failed the required Mechanical Integrity Test (MIT).

3. How To Apply

To apply to authorized a storage project:

  1. Ensure you meet all eligibility requirements.
  2. Complete the:
  3. Compile the applicable supporting documentation:
    • Well list
    • Third-party Engineering Report (Confidential)
    • Seismic Data and Report (Confidential)
    • Public Notice Package/Consents
    • Other supporting documents (if applicable)
  4. Log in to IRIS and complete the appropriate application process for authorization and attach the required documents as separate files.

4. Apply


5. Further Information

  • The applicant will be notified through IRIS whether the application for authorization is approved or denied.  An authorization is valid for 1 year from the approval date, unless otherwise stated.
  • An authorization for a storage project may be used many times if it was issued to approve multiple wells or operations.
  • Using an authorization once within the 1 year period, ensures the authorization won't expire.
  • A separate application for reclassification or recompletion is not required if converting or recompleting an existing well because it's part of the storage project application.
  • New wells approved to be drilled as storage wells receive an authorization number that is required to apply for a well licence.
  • Application for a Lease of Space (LOS) Agreement is required to lease spaces in the proposed Crown lands.  

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