WE Report

Lessons Learned

Lessons Learned865


Operator Rig Discipline / Origin Project Phase Well Section Date What Happened

PGNiG
4834 – PGNiG

Deepsea Yantai Drilling
Own Experience
Planning 6608/1-1 S
Copernicus
Other 04/09/2022 When running of 20″ x 13 3/8″ casing was planned to be on Sunday 4/9/22 we tried to get surge . . .

Drilling Engineer / Morten Laget


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PGNiG
368 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Reservoir section 22/10/2019 Drilled 8 1/2″ section with 1.30 sg MW. Based on LWD data from 12 ¼” the predicted PP in the 8 ½” . . .


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PGNiG
374 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Reservoir section 22/10/2019 Getting OBM sent out lith a low O/W ratio (70/30).


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PGNiG
385 – PGNiG

Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek
Production section 22/10/2019 Excellent mud performance throughout operations. Issues with O/W ratio due to topside issues.


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