The International Association of Oil & Gas Producers (IOGP) Well Control Incident lesson sharing system was established as a means of notifying fellow IOGP members and the wider community of the lessons learned from well control incidents and near misses. The sharing of these lessons will help to promote learning and avoid the repetition of similar errors. The result will move the industry to a higher level of well control safety. IOGP is grateful for all contributions and the continued support of the Well Control Incident Database reporting system.
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Subsurface uncertainties, unfamiliar technologies and shallow water flows in a subsea exploration well
Chemical Reaction Results in Exothermic Ignition of Resin at Surface
New technologies (e.g. MPD) & Human Factors vs. well control basics
Significant Influx taken during Managed Pressure Drilling (MPD) Operations
Gas Release During Abandonment Operations
Wrong practices for influx detection while manipulating fluids at the surface
Intermittent gas release observed around tool catcher/grease injection head during E-line operations. Gas release was noted as a near miss well control event.
BOP Test Assembly Ejected from Well
Lubricate and bleed influx behind cemented casing
Unexpected failure of the Rotating Control Device bearing rubber during a Managed Pressure Drilling operation caused a loss of well control event
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