By: Drilling Engineer
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Report No.
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8271 |
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Discipline/Origin
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Drilling |
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Well
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Tomcat |
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Date created
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2025/02/15 |
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Project Phase
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Operational |
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LL Type/Classification
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Operational |
Deepsea Yantai
Operational LL with PGNiG
Tomcat (6501/10-1) – Surface section
What happened:
The centralizer placement on the 20” interfered with the rollers on the casing tong.
What was planned:
M/U 20″ casing joints with tong.
What was learned:
The centralizers were installed 1.35 m from PIN end for this job. The learning is that the centralizers should be installed at least 2 m further away from PIN end than what was done.
What actions are required:
Communicate learning to OCTG supplier early in planning phase.
This only applies to 20”.
Deepsea Yantai
What happened in Surface section:
The centralizer placement on the 20” interfered with the rollers on the casing tong.
M/U 20″ casing joints with tong.
The centralizers were installed 1.35 m from PIN end for this job. The learning is that the centralizers should be installed at least 2 m further away from PIN end than what was done.
Communicate learning to OCTG supplier early in planning phase.
This only applies to 20”.
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
-
- 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
-
- 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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