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12.01.18 Drift Sharing to be better #13, Total mud loss followed by kick from a semisubmersible drilling unit in "karstified carbonates"

The incident highlights a situation with total mud loss followed by kick from a semisubmersible drilling unit in “karstified carbonates”. Karst: “An area of irregular limestone in which erosion has

12.01.18 Drift Sharing to be better #16, well control incident during preparation of side-track after plugging

The incident highlights a situation in well displaced to gas after unintentional cycling of deep valves.

12.01.18 Drift Sharing to be better #2, Well control incident in 8,5 inch section

This incident highlights the importance of following procedures, attention to details and the quality control of calculations performed on the rig.

12.01.18 Drift Sharing to be better #4, Gas influx from shale

This incident highlights the importance of taking time to properly assess changing well conditions and to consider fully the consequences before acting.

12.01.18 Drift Sharing to be better #8, Incident – Drilling of reservoir section

The incident highlights the importance of specific focus on volume control when experiencing a “drilling break”.

12.01.18 Drift Sharing to be better #5, Well control incident - Completion

This incident highlights the importance of following procedures, attention to detail and quality control of calculations performed on the rig

12.01.18 Drift Sharing to be better #14, Well control incident during plugging

The incident highlights a situation with gas in returns after perforating for perf, wash and cement during P&A operation.

12.01.18 Drift Sharing to be better #17 well control incident during perforation

The incident highlights a situation with influx while pulling out of hole after perforating with TCP.

17.01.24 Havbunnsmineraler Facts about seabed minerals

Learn more about what seabed minerals are, and why it is important that Norway investigates opportunities for exploiting these resources.

12.01.18 Drift Sharing to be better #1, Well control incident in 9,5 inch section

The first of a series of case histories on well incidents has now been circulated to all installations. This incident highlights the need to be focused on the well at all times, even when there are