Annual oil and gas reserve summary reports include information regarding:
- Oil and gas production
- Original oil and gas in place
- Remaining recoverable oil and gas reserves
- Reservoir properties
The 5-year oil and gas summaries include information from the latest five years regarding:
- Initial and remaining reserves
- Number of productive wells
Oil and gas reserves are the estimated remaining quantities of oil and natural gas which are determined to be recoverable from known accumulations. The reserve values as of 2017 are considered to be established reserves based upon analysis of current drilling operations, geological, geophysical and reservoir data, established technology, and specific economic conditions.
An updated methodology to determine oil and gas reserves was implemented in 2017 with the following changes appearing on the published reports:
- Primary and enhanced estimated recovery has been combined into Total Estimated Recovery.
- Primary and enhanced initial reserves has been combined into Total Initial Reserves.
- Pools are no longer sub-grouped by crude type.
- Evaluation of associated and dissolved gas reserves no longer performed.
For 2016 oil reserves, ER updated the pools that were new or existing and had experienced significant amounts of change identified by increased drilling activity, pool boundary expansions, the addition or expansion of existing waterflood and enhanced oil recovery projects since 2014. This resulted in approximately 35% of all the oil pools in Saskatchewan.
For the 2016 natural gas reserves, ER updated all pools; however, in several pools, both unit and non-unit production were combined. This has been indicated, where applicable, throughout the report.
For more information on the latest oil and gas reserves updates, contact the ER Service Desk at 1‑855‑219‑9373 or ER.ServiceDesk@gov.sk.ca.