No user selected
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Report No.
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169 |
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Discipline/Origin
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Drilling |
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Well
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Brasse Appraisal |
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Date created
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2017/09/28 |
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Project Phase
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Operational |
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LL Type/Classification
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Operational |
Deepsea Bergen
Negative Operational LL with Faroe
Brasse Appraisal (31/7-2 S) – P&A
What happened:
In DOP for pulling 9 5/8″ seal assembly, it was planned “Pick up with 3 ton overpull to check MPT engaged in seal assembly.” This was planned to do prior to closing annular. DQ engineer stated that this has been enough on other wells to pull seal assembly free with gas pressure below.
What was planned:
Pull and retrieve the 9 5/8″ seal assembly
What was learned:
3 ton overpull has been enough on other wells to pull seal assembly free with gas pressure below.
What actions are required:
Always close annular prior to pull on seal assembly, regardless the pull force.
Deepsea Bergen
What happened in P&A:
In DOP for pulling 9 5/8″ seal assembly, it was planned “Pick up with 3 ton overpull to check MPT engaged in seal assembly.” This was planned to do prior to closing annular. DQ engineer stated that this has been enough on other wells to pull seal assembly free with gas pressure below.
Pull and retrieve the 9 5/8″ seal assembly
3 ton overpull has been enough on other wells to pull seal assembly free with gas pressure below.
Always close annular prior to pull on seal assembly, regardless the pull force.
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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