Previously, informational letters (ILs) were mostly used to announce a new regulatory direction or technical requirements. A few of them, however, contained requirements. Although these documents are no longer published, some of them are still in effect. If you notice a broken link or out-of-date email address or phone number, please contact our Customer Contact Centre.
| Number | Name | Status | Date |
|---|---|---|---|
| IL 99-06 | Conventional Crude Oil Pools Granted Good Production Practice Status | In Effect | December 09, 1999 |
| IL 98-02 | Suspension, Abandonment, Decontamination, and Surface Land Reclamation of Upstream Oil and Gas Facilities | In Effect | March 26, 1998 |
| IL 98-01 | A Memorandum of Understanding Between Alberta Environmental Protection and the Alberta Energy and Utilities Board Regarding Coordination of Release Notification Requirements and Subsequent Regulatory Response | In Effect | February 06, 1998 |
| IL 94-11 | Good Production Practice Conventional Crude Oil Pools | In Effect | June 01, 1994 |
| IL 94-04 | Storage of Hydrocarbons in Underground Formations | Rescinded | April 07, 1994 |
| IL 94-02 | Injection and Disposal Wells [Rescinded by Directive 051: Injection and Disposal Wells and Part 6 of the Oil and Gas Conservation Rules] | Rescinded | March 16, 1994 |
| IL 93-09 | Oil and Gas Developments Eastern Slopes (Southern Portion) | In Effect | December 13, 1993 |
| IL 93-04 | Policy for the Logging of the Horizontal Wells [Rescinded by Directive 080: Well Logging] | Rescinded | June 30, 1993 |
| IL 92-11 | Experimental Schemes - Release of Information | In Effect | October 26, 1992 |
| IL 91-11 | Coalbed Methane Regulation | In Effect | August 26, 1991 |
| IL 91-05 | Good Production Practice Conventional Crude Oil Pools | In Effect | March 31, 1991 |
| IL 90-21 | Oil and Gas Development - Rumsey Block | In Effect | November 26, 1990 |
| IL 90-03 | Applications for Special MRLs, GPP, and GOR Penalty Relief | In Effect | April 05, 1990 |
| IL 88-01 | Submission of Mud Log Data [Rescinded by Directive 080: Well Logging] | Rescinded | January 06, 1988 |
| IL 87-12 | Horizontal Wells Conventional Oil and Gas Pools | In Effect | November 03, 1987 |
| IL 85-12 | Oil Sands Primary Production: Well Spacing Primary Recovery Scheme Approvals | In Effect | August 01, 1985 |
| IL 85-10 | Maximum Daily Rates of Production for Gas Wells | In Effect | January 01, 1985 |
| IL 84-11 | Approval, Monitoring, and Control of Sulphur Storage Sites | In Effect | October 29, 1984 |
| IL 83-02 | Procedure for Submissions: Annual Reservoir Review for Gas Pools [Rescinded by Bulletin 2019-25] | Rescinded | March 28, 1983 |
| IL 82-13 | Off-Target Penalty Factors for Exploration Wells | April 07, 1982 | |
| IL 82-11 | Preservation of Archaeological, Palaeontological, and Historical Resources: Policy Update [Rescinded by AER Bulletin 2014-16: Regulatory Document Review] | Rescinded | March 05, 1982 |
| IL 81-30 | Experimental Schemes Involving a Large Array of Wells and Close Well Spacing | In Effect | December 11, 1981 |
| IL 80-23 | Experimental Schemes | In Effect | September 16, 1980 |
| IL 79-16 | Revised Incinerator Stack Exit Temperature Criteries for Plants Processing Sour Gas | In Effect | August 03, 1979 |
| IL-OG 78-12 | Policy on Experimental Schemes - Conventional Oil Pools or Oil Sands | In Effect | September 26, 1978 |
| IL-OG 76-24 | Stack Exit Temperatures for Acid Gas Incinerators Associated with Gas Processing Plants | In Effect | December 15, 1976 |
| IL-OG 76-14 | Drill Cuttings and Core | In Effect | July 12, 1976 |