No user selected
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Report No.
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337 |
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Discipline/Origin
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Drilling |
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Well
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Shrek |
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Date created
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2019/10/21 |
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Project Phase
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Operational |
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LL Type/Classification
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Operational |
Deepsea Nordkapp
Negative Operational LL with PGNiG
Shrek (6507/5-9 S, 6507/5-9 A) – Top hole
What happened:
When running conductor 0.5 m higher stick-up was observed.
Base plan was to hold the conductor irrespective.
Attempted to wash and work to bottom, no go.
What was planned:
Space out to TD the well to place the conductor on bottom.
What was learned:
Since it was always intended to hold the conductor whilst the cement set up, evaluate to plan for TD being conductor length plus 1 m rat hole. This would then reduce the risk of a high stick up.
What actions are required:
Add 1 m reter rat hole to top hole TD to have sufficient margin to correct stick-up if needed.
Deepsea Nordkapp
What happened in Top hole:
When running conductor 0.5 m higher stick-up was observed.
Base plan was to hold the conductor irrespective.
Attempted to wash and work to bottom, no go.
Base plan was to hold the conductor irrespective.
Attempted to wash and work to bottom, no go.
Space out to TD the well to place the conductor on bottom.
Since it was always intended to hold the conductor whilst the cement set up, evaluate to plan for TD being conductor length plus 1 m rat hole. This would then reduce the risk of a high stick up.
Add 1 m reter rat hole to top hole TD to have sufficient margin to correct stick-up if needed.
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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Rungne<\/a><\/li>\n\t\t\t\t\t\t\t\t
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