Critical Analysis of Well Control Incidents in Drilling Operations
Explore detailed reports of well control incidents, their causes, impacts, lessons learned, and recommended actions in drilling and completion operations. Categorization matrices and classification schemes are also provided for effective incident management and reporting.
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Presentation Transcript
WELL CONTROL INCIDENT <Location> <Rig type> <Well type> <Date> Location: Rig type: Well type: Date: Well control incident category: Level 1 Level 2 Level 3 None class. Impact: Lost time, HC release, etc : Plan: Illustration / Well bore schematic Description of plan Operation with course of events: Event description Reason for events: Free text evaluation Lessons Learned: Free text evaluation Recommended actions: Free text evaluation Page 1 of 2
WELL CONTROL INCIDENT Critical Issues: Free text evaluation <Location> <Rig type> <Well type> <Date> Location: Rig type: Well type: Date: Direct Cause: Underlying Cause: Prognosis incorrect Risk accepted Shallow gas Error in program / procedure Shallow water flow Procedure not followed Incorrect mud weight Lack of competence Swabbing Communication error (missing, wrong, incomplete, etc.) Ballooning Incorrect use of equipment HC accumulation below barrier element Equipment failure Surface pressure control system failure BOP failure Downhole mechanical barrier failure Other: Downhole cement / casing barrier failure Other: Page 2 of 2
CATEGORISATION AND CLASSIFICATION MATRIX FOR WELL CONTROL INCIDENTS DRILLING AND COMPLETION OPERATIONS
CATEGORISATION AND CLASSIFICATION MATRIX FOR WELL CONTROL INCIDENTS DRILLING AND COMPLETION OPERATIONS Tan = Alert to PSA according to management regulation Blue = Notification to PSA according to management regulation Grey = Alert or Notification to PSA not required Form: Confirmation of alert/notification to Petroleum Safety Authority
