By: Drilling Engineer
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Report No.
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5145 |
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Discipline/Origin
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Drilling |
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Well
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Carmen |
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Date created
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2023/04/16 |
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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
Positive Operational LL with Wellesley
Carmen (35/10-10S) – Intermediate section
What happened:
FIT was a success. Shaved off 1.75 hrs compared to the test at 20″ shoe. 2.5 hrs vs 0.75 hrs. 1.75 hrs NPT equals approximately 360 000 NOK.
What was planned:
FIT at 13 3/8″ shoe. It was planned to do FIT down the string and against a closed fail safe valve. Instead of an open open fail safe, as “normally” standard. And then not in need for a B/U circulation, and therefor save time.
What was learned:
A FIT executed down the string and against a closed fail safe valve will save time compared to do it with an open fail safe.
Deepsea Yantai
What happened in Intermediate section:
FIT was a success. Shaved off 1.75 hrs compared to the test at 20″ shoe. 2.5 hrs vs 0.75 hrs. 1.75 hrs NPT equals approximately 360 000 NOK.
FIT at 13 3/8″ shoe. It was planned to do FIT down the string and against a closed fail safe valve. Instead of an open open fail safe, as “normally” standard. And then not in need for a B/U circulation, and therefor save time.
A FIT executed down the string and against a closed fail safe valve will save time compared to do it with an open fail safe.
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
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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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