No user selected
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Report No.
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230 |
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Discipline/Origin
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Drilling |
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Well
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Kallåsen |
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Date created
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2019/02/07 |
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Project Phase
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Operational |
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LL Type/Classification
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Equipment |
Transocean Arctic
Negative Equipment LL with Wellesley
Kallåsen (35/12-6 S) – P&A
What happened:
Both primary and secondary cutter assembly was delivered with 6 5/8″ handling subs, torqued up to 50 klbs. Transocean did not have 6 5/8″ inserts for BX frame for elevator onboard. This was discovered by AD & PTP around 4 hours before assemblies were to be picked up.
What was planned:
Cut 9 5/8″ casing
What was learned:
Had to mobilize inserts from town with extra chopper. All other Schlumberger drilling BHA modules are normally delivered with 5 1/2″ lift subs.
What actions are required:
Ensure Slb send out BHA modules with 5 1/2″ lift subs.
Transocean Arctic
What happened in P&A:
Both primary and secondary cutter assembly was delivered with 6 5/8″ handling subs, torqued up to 50 klbs. Transocean did not have 6 5/8″ inserts for BX frame for elevator onboard. This was discovered by AD & PTP around 4 hours before assemblies were to be picked up.
Cut 9 5/8″ casing
Had to mobilize inserts from town with extra chopper. All other Schlumberger drilling BHA modules are normally delivered with 5 1/2″ lift subs.
Ensure Slb send out BHA modules with 5 1/2″ lift subs.
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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- Sidetrack design<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Time Estimate<\/a><\/li>\n\t\t\t\t\t\t\t\t
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