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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Uncontrolled release of wellbore gas at surface during slickline plug retrieval operations resulting in well control incident.
Decreased geologic awareness combined with hole problems leads to an unnoticed well kick.
Influx while drilling a reservoir section while using Managed Pressure Drilling
Unexpected geology and compromised volumes tracking result in a kick
Shallow kick while running casing leads to complex well control
Influx from unconventional reservoir with drill string out of hole for BOP test
Confirm that all equipment in the well control circulating path is rated for the application
Delayed Well Control Shut-in during auto-choke Managed Pressure Drilling
Loss of well control, hole and drill string due to poor communication and well monitoring.
Misunderstood pore pressure, lack of vigilance and empowerment cause Well Control Incident.
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