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In response to a number of major incidents in the drilling sector, IOGP, through its Wells Expert Committee, established a system which allows member organisations to report well control incidents. These incident reports are shared in the form of alerts with IOGP members and, where appropriate, a broader audience. This report presents the results of a review carried out of the first 18 well control incident reports submitted to IOGP. The objective of the review was to identify learnings, beyond those presented within any one incident, which are worthy of bringing to the attention of E&P companies and the industry as a whole.