CALGARY, Alberta, March 21 (Reuters) - The Alberta Energy
Regulator said on Monday it is implementing additional
requirements at Canadian Natural Resources Ltd's CNQ.TO
Primrose oil sands project after concluding excessive steaming
caused a 6,648 barrel bitumen seep in 2013.
The requirements, which CNRL had already put in place on an
interim basis, will permanently reduce the steaming volumes the
company is allowed to use to extract bitumen from underground
reservoirs.