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Are surface and production casing required for CBM wells? How is casing regulated?

April 26, 2017casing CBM production regulated Wells

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Are surface and production casing required for CBM wells? How is casing regulated?

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• The ERCB requires water aquifers to be protected by cemented steel casing in all wells. This may be surface casing or production casing. The surface casing requirements are set for drilling control purposes to ensure casing is adequate.