Case Studies in Well Control

More Illustrations on Well Control

Pore Pressure Uncertainty - IOGP‍ ‍NEW
Abnormal formation pressure due to offset water injection wells - IOGP
Higher than predicted pore pressure during completion operations- IOGP
Influx during drilling offshore exploration gas well - IOGP
Loss of primary BOP control system due to MUX cables - IOGP
Wellbore flow observed during fishing of completion tubing string - IOGP
Improper mud treatment resulted in a Well Control incident - IOGP
Lack of management of change process, associated with late detection - International Association of Oil & Gas Producers (IOGP)
Failure to recognize the influx leads to a large kick - IOGP
Gas Leak during Coil Tubing Operations - IOGP
Circulation of gas through a Mud Gas Separator, beyond its capacity -IOGP
Uncontrolled Gas Release during Workover Operations - IOGP
Trapped Gas during Abandonment Operation-IOGP
Kick while drilling underbalanced with poorly isolated tight formation behind casing - IOGP
Influx observed during re-entry operations - IOGP
Influx while drilling cemented shoe-track - IOGP
Gas migrated through cable armor layer - IOGP
Severe loss - kick situation in the reservoir section
Gas influx due to lost returns during 7” casing running - IOGP
Influx during MPD operations - IOGP
Wrong Operation of MPD Choke Results in Influx - IOGP
Well Control Incidents whilst drilling a sensitive section on MPD mode - IOGP
Kick while using MPD due to RCD failure - IOGP
Loss of surface back pressure during MPD operations - IOGP
Influx while drilling the 6” hole section - IOGP
Losses while drilling subsea using MPD - IOGP
Causes of the Macondo Well Blowout - Report of The Bureau of Ocean Energy Management, Regulation and Enforcement
Macondo Well Incident Transocean Investigation Report