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As part of its ongoing evaluation of the coalbed methane (CBM) resources in Alberta, the Energy Resources Conservation Board (ERCB) updates its geological evaluation of coal zones to better reflect current zoning in an area. Some CBM control well zone evaluations may change as a result.
The ERCB used to notify companies directly when coal zone evaluations in their CBM control wells changed. Now, it directs all well licensees and companies to the control well lists on the ERCB Web site under Industry Zone : Rules, Regulations, Requirement : Control Well Requirements to confirm current control well coal zone interpretations.
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