No user selected
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Report No.
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239 |
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Discipline/Origin
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Well test |
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Well
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Grosbeak West |
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Date created
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2020/06/16 |
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Project Phase
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Operational |
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LL Type/Classification
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Operational |
Transocean Arctic
N/A Operational LL with Wellesley
Grosbeak West (35/11-21 S) – Reservoir section
What happened:
Only able to pump with 2500 lpm while cleaning up 9 5/8″ casing and displacing from OBM to brine.
What was planned:
9 5/8″ clean up
What was learned:
A circulating sub in the 5 1/2″ DP above the 7*” liner top would have enabled us to pump with 3500 lpm and high pressure.
What actions are required:
Consider using a circulating sub in future operations to allow for better clean up.
Transocean Arctic
What happened in Reservoir section:
Only able to pump with 2500 lpm while cleaning up 9 5/8″ casing and displacing from OBM to brine.
9 5/8″ clean up
A circulating sub in the 5 1/2″ DP above the 7*” liner top would have enabled us to pump with 3500 lpm and high pressure.
Consider using a circulating sub in future operations to allow for better clean up.
EDITOR
CLOSE LL (testing)
New Lesson Learned
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- PROJECT PHASE
- Operational
- Planning
- Reporting
- CLASSIFICATION
- Positive
- Negative
- Origin
- Own Experience
- Experience Transfer Meeting
- NEA Q&A
- PSA Q&A
- PSA Findings
- DMF
- Norog
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- RIG
Borgland Dolphin- Island Innovator
- Well
Oselvar- Gomez
- PROJECT PHASE
- Operational
- Planning
- Reporting
- CLASSIFICATION
- Positive
- Negative
- Origin
- Own Experience
- Experience Transfer Meeting
- NEA Q&A
- PSA Q&A
- PSA Findings
- DMF
- Norog
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- RIG
- Island Innovator
- Well
- Gråspett
- PROJECT PHASE
- Operational
- Planning
- Reporting
- CLASSIFICATION
- Positive
- Negative
- Origin
- Own Experience
- Experience Transfer Meeting
- NEA Q&A
- PSA Q&A
- PSA Findings
- DMF
- Norog
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- RIG
- Deepsea Bergen
- WELL
- Brasse
- Rungne
- PROJECT PHASE
- Operational
- Planning
- Reporting
- CLASSIFICATION
- Positive
- Negative
- Origin
- Own Experience
- Experience Transfer Meeting
- NEA Q&A
- PSA Q&A
- PSA Findings
- DMF
- Norog
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NO LLs for INEOS- RIG
- Borgland Dolphin
- WELL
- Fat Canyon
- PROJECT PHASE
- Operational
- Planning
- Reporting
- CLASSIFICATION
- Positive
- Negative
- Origin
- Own Experience
- Experience Transfer Meeting
- NEA Q&A
- PSA Q&A
- PSA Findings
- DMF
- Norog
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- RIG
- Deepsea Yantai
- Well
- Shrek
- PROJECT PHASE
- Operational
- Planning
- Reporting
- CLASSIFICATION
- Positive
- Negative
- Origin
- Own Experience
- Experience Transfer Meeting
- NEA Q&A
- PSA Q&A
- PSA Findings
- DMF
- Norog
-
- PROJECT PHASE
- Operational
- Planning
- Reporting
- CLASSIFICATION
- Positive
- Negative
- Origin
- Own Experience
- Experience Transfer Meeting
- NEA Q&A
- PSA Q&A
- PSA Findings
- DMF
- Norog
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