By: Giacomo Bonomo
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Report No.
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6369 |
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Discipline/Origin
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Drilling |
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Well
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Toppand East |
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Date created
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2024/06/06 |
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Project Phase
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Operational |
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LL Type/Classification
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Other |
COSLPromoter
Other Other LL with Wellesley
Toppand East (35/11-5, 39/11-29S) – Surface section
What happened:
Not possible to reach the profile depth with the ROV jetting tool, as the RMR external adapter top is about 2,3m above the profile and the ROV arm length is 1,5 m.
What was planned:
RMR with external adapter is used for the operations. The adapter is kept installed while running casing and HPH in order to be able to get mud return and avoid dumping of KCL mud. Before running the HPH it is recommended to clean the profile in the LPH. Clay/gumbo may prevent correct landing of the HPH in the LPH.
What was learned:
Additional run with jetting tool required to clean the wellhead profile.
What actions are required:
Ensure in future wells that a jetting tool is available onboard when RMR external adapter is used.
COSLPromoter, COSL Promoter
What happened in Surface section:
Not possible to reach the profile depth with the ROV jetting tool, as the RMR external adapter top is about 2,3m above the profile and the ROV arm length is 1,5 m.
RMR with external adapter is used for the operations. The adapter is kept installed while running casing and HPH in order to be able to get mud return and avoid dumping of KCL mud. Before running the HPH it is recommended to clean the profile in the LPH. Clay/gumbo may prevent correct landing of the HPH in the LPH.
Additional run with jetting tool required to clean the wellhead profile.
Ensure in future wells that a jetting tool is available onboard when RMR external adapter is used.
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
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- Origin
- Own Experience
- Experience Transfer Meeting
- NEA Q&A
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- 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
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- Fat Canyon
- PROJECT PHASE
- Operational
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- Norog
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- RIG
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- Operational
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- CLASSIFICATION
- Positive
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- Origin
- Own Experience
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- NEA Q&A
- PSA Q&A
- PSA Findings
- DMF
- Norog
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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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