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Apply for a Disposal or Injection Well

A company can apply to dispose/inject fluids into a subsurface formation through a well for purposes other than enhanced recovery or hydrocarbon storage.

1. Guidance

Water and other non-hazardous waste fluids produced in association with oil and gas or non-oil and gas activities in Saskatchewan can be disposed/injected into a subsurface formation through a disposal/injection well in accordance with Section 17.1 of The Oil and Gas Conservation Act and Section 53 of The Oil and Gas Conservation Regulations, 2012.

An operator can apply and receive authorization from the Ministry of Economy for a disposal well through the licensing or reclassification/recompletion process. Injection wells not related to disposal operations typically require an authorization to be generated before licensing; that authorization is usually related to reservoir applications (Enhanced Oil Recovery, waterflood, commingling, etc.).

Authorizations for a disposal/injection well are valid for one year from the approval date.

For more information refer to Directive PNG008: Disposal and Injection Well Requirements.


2. Eligibility

To apply to dispose/inject fluids into subsurface formations:

  • Have an Integrated Resource Information System (IRIS) account and the appropriate permissions assigned by your IRIS Security Administrator to submit a well application.

  • The applicant must have the mineral rights to dispose /inject fluids into the proposed disposal formation(s).

  • If the proposed disposal zone is considered to be hydrocarbon bearing, or if the disposal fluids are considered waste or substances other than produced salt water, then the necessary consents from the offsetting owners must be obtained, or the Public Notice process must be completed with objections resolved. 

    • Refer to Directive PNG009: Public Notice Requirements for the minimum notification area. It’s the responsibility of the applicant to identify any potentially or directly affected parties outside of the minimum area and provide notification. 

  • The proposed disposal well must have sufficient wellbore integrity to ensure initial and ongoing containment of the disposal fluids in the interest of both hydrocarbon conservation and groundwater protection. See Directive PNG008 for wellbore design, wellbore integrity logging, operation and monitoring requirements for disposal wells. 

  • The proposed disposal formation must be suitable for initial and ongoing containment of the disposal fluids in the interest of both hydrocarbon conservation and groundwater protection. If disposal is to occur into a hydrocarbon pool or an associated aquifer, it must be evident that it won’t have a detrimental effect on the ultimate hydrocarbon recovery from the pool.

  • The Ministry of the Economy considers the suitability of the waste fluids using the disposal well based on the nature of the fluids, the integrity of the well, and alternative waste management options.

  • The proposed well must not be part of an active project previously or currently authorized by the Ministry (e.g. waterflood project, Enhanced Oil Recovery (EOR) project, storage project, etc.).


3. How To Apply

Apply to licence a new disposal well:

Log into IRIS and complete the well licence application. 
  • Licenses are categorized as either routine or non-routine, depending on the type of well and the declarations made by the applicant. 
  • When the well completion type is a disposal well, the applicant is required to respond to the following declaration questions. Depending on the declarations made, the applicant may be required to submit additional information/attachments with the application. 
    • Are you proposing to inject any substance other than produced water from oil and gas operations?
    • Are you requesting to take and dispose third-party water? 
    • Is the proposed injection formation compatible with the fluid to be injected? 
    • Will this well be injecting into Freehold Minerals? 
    • Does the proposed injection require a lease of space agreement with the Crown prior to commencing injection?
    • Is the proposed formation commonly used for disposal and considered to be non-hydrocarbon bearing in the area?
    • Are there any wells within an 800m radius of the proposed injection well that are diversely owned or operated and currently producing from the proposed injection formation?
    • Is the well offsetting diversely held land within an 800m radius of the proposed injection well?
    • Has the Public Notice process been completed and are all objections resolved?
    • Has written consent of all owners and fee simple mineral owners who may be adversely affected by the disposal been obtained?

All disposal well applications for potash, oil and gas, industrial wastes, and acid gas are processed as non-routine at time of licence and additional documents are required for authorization.

Apply to reclassify or recomplete an existing well to a disposal well:

  1. Applying for reclassification or recompletion requires an authorization only after initial completion of the well.
  2. Complete the Reclassification/Recompletion (standalone) form.
  3. Gather all necessary documents listed in the application form.
  4. The following additional documents/attachments may be required depending on the applicant's response to declaration questions:
    • Program of operations
    • Wellbore schematic
    • Minister’s Order (if previously issued)
    • Injection substance properties (if injecting any substance other than produced water from oil and gas operations)
    • Fluid compatibility analysis (if injection formation is not compatible with fluid injected)
    • Freeholder’s consents (if injecting into Freehold Minerals) 
    • Public Notice documentation (if Public Notice is required and there are unresolved objections)
  5. Log in to IRIS and complete the appropriate application process for authorization and attach the required documents.

Apply to licence or reclassify/recomplete a commingled disposal well:

Before applying to licence a commingled disposal well or to reclassify/recomplete an existing well as a commingled disposal well, a pre-authorized commingling application is required. To apply:

  1. Complete the Application to Commingle Disposal Form, and include all required attachments (see the "Form Instructions" tab of the application).
  2. Complete the Public Notice Process, if required.
  3. Complete the Reclassification/Recompletion (standalone) Application Form, if required, and include all required attachments as one document. For more information, see Guideline PNG024: Reclassification and Recompletion.
  4. Confirm that all the information is complete and accurate, and forms are dated and signed. Ensure all required attachments are included:
    • Completed Application to Commingle Disposal Form and attachments.
    • Completed Public Notice Process package, documented objections and required consents as a separate document, if applicable.
    • Completed Reclassification/Recompletion (standalone) Application Form with necessary attachments, if applicable.
  5. Log in to IRIS and complete the commingle application process for authorization and attach the required documents.


4. Apply

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