New revision of guideline 135
The guidelines for classification and categorisation of well control incidents have been revised. The revision is number 4 in the series, dated 27 June 2017. The changes are highlighted in Appendix A.
The purpose if theese guidelines is to ensure that well incidents can be categorized and classified, and evaluated to ensure common, consistent and correct alerting, notifying and reporting to the authorities.
These guidelines are only available in English.