By: Drilling Supervisor
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Report No.
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1446 |
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Discipline/Origin
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Drilling |
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Well
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Oselvar |
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Date created
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2021/04/26 |
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Project Phase
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Operational |
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LL Type/Classification
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Planning |
Borgland Dolphin
Negative Planning LL with DNO
Oselvar (A-3 HT2) – P&A
What happened:
A week’s work trying to pull completion, high overpulls throughout, over 200 plastic clamps lost downhole. Completion eventually stuck 391m from full tubular recovery. Bigger ODs of gauge carrier and injection sub (7.2″ and 7.51″) suspected of dragging control lines.
What was planned:
Cut completion at 4559m, pull completion, retrieve all tubing and control lines and clamps plus chemical injection sub and gauge carrier.
What actions are required:
Consider cutting above gauge carrier on next well to minimise chance of broken control lines hanging up on the carrier and valve. Evaluate based on results of fishing activities.
Borgland Dolphin
What happened in P&A:
A week’s work trying to pull completion, high overpulls throughout, over 200 plastic clamps lost downhole. Completion eventually stuck 391m from full tubular recovery. Bigger ODs of gauge carrier and injection sub (7.2″ and 7.51″) suspected of dragging control lines.
Cut completion at 4559m, pull completion, retrieve all tubing and control lines and clamps plus chemical injection sub and gauge carrier.
Consider cutting above gauge carrier on next well to minimise chance of broken control lines hanging up on the carrier and valve. Evaluate based on results of fishing activities.
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
-
- 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
-
- 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
-
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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- All<\/a><\/li>\n\t\t\t\t
- DNO<\/a><\/li>\n\t\t\t\t
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- Faroe<\/a><\/li>\n\t\t\t\t
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- Wellesley<\/a><\/li>\n\t\t\t\t
- <\/span>Advanced Search<\/a><\/li>\n\t\t\t<\/ul>\n\n\t\t\t
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- RIG<\/li>\n\t\t\t\t\t\t\t\t
![](\"\/storage\/icons\/noun_rig_2570764.svg\")
Deepsea Yantai<\/a><\/li>\n\t\t\t\t\t\t\t\t
Borgland Dolphin<\/a><\/li>\n\t\t\t\t\t\t\t\t
Deepsea Bergen<\/a><\/li>\n\t\t\t\t\t\t\t\t
Deepsea Nordkapp<\/a><\/li>\n\t\t\t\t\t\t\t\t
Island Innovator<\/a><\/li>\n\t\t\t\t\t\t\t\t
Transocean Arctic<\/a><\/li>\n\t\t\t\t\t\t\t\t
- <\/li>\n\t\t\t\t\t\t\t\t
- Well<\/li>\n\t\t\t\t\t\t\t\t
![](\"\/storage\/icons\/noun_oil_well_2946698.svg\")
Balcom<\/a><\/li>\n\t\t\t\t\t\t\t\t
Brasse<\/a><\/li>\n\t\t\t\t\t\t\t\t
Canela<\/a><\/li>\n\t\t\t\t\t\t\t\t
Fat Canyon<\/a><\/li>\n\t\t\t\t\t\t\t\t
Grosbeak<\/a><\/li>\n\t\t\t\t\t\t\t\t
Grosbeak West<\/a><\/li>\n\t\t\t\t\t\t\t\t
Hemispheres<\/a><\/li>\n\t\t\t\t\t\t\t\t
Kall\u00e5sen<\/a><\/li>\n\t\t\t\t\t\t\t\t
Gr\u00e5spett<\/a><\/li>\n\t\t\t\t\t\t\t\t
Gomez<\/a><\/li>\n\t\t\t\t\t\t\t\t
Oselvar<\/a><\/li>\n\t\t\t\t\t\t\t\t
Rungne<\/a><\/li>\n\t\t\t\t\t\t\t\t
Shrek<\/a><\/li>\n\t\t\t\t\t\t\t\t
Schweinsteiger<\/a><\/li>\n\t\t\t\t\t\t\t\t
Serin<\/a><\/li>\n\t\t\t\t\t\t\t\t
Songesand<\/a><\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t
\n\t\t\t\t\t\t\t- \n\t\t\t\t\t\t\t\t
- PROJECT PHASE<\/li>\n\t\t\t\t\t\t\t\t
- Operational<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Planning<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Reporting<\/a><\/li>\n\t\t\t\t\t\t\t\t
- <\/li>\n\t\t\t\t\t\t\t\t
- CLASSIFICATION<\/li>\n\t\t\t\t\t\t\t\t
- Positive<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Negative<\/a><\/li>\n\t\t\t\t\t\t\t\t
- <\/li>\n\t\t\t\t\t\t\t\t
- Origin<\/li>\n\t\t\t\t\t\t\t\t
- Own Experience<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Experience Transfer Meeting<\/a><\/li>\n\t\t\t\t\t\t\t\t
- NEA Q&A<\/a><\/li>\n\t\t\t\t\t\t\t\t
- PSA Q&A<\/a><\/li>\n\t\t\t\t\t\t\t\t
- PSA Findings<\/a><\/li>\n\t\t\t\t\t\t\t\t
- DMF<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Norog<\/a><\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t
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- TYPE<\/li>\n\t\t\t\t\t\t\t\t
- Equipment<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Planning<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Operational<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Location specific<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Bit<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Logistics<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Mud<\/a><\/li>\n\t\t\t\t\t\t\t\t
- BHA<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Cement<\/a><\/li>\n\t\t\t\t\t\t\t\t
- QHSE<\/a><\/li>\n\t\t\t\t\t\t\t\t
- 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
- Shallow Gas<\/a><\/li>\n\t\t\t\t\t\t\t\t
- BOP<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Casing<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Connections<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Rig specific<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Coring<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Cut & pull<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Sublease<\/a><\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\n\t\t\t\t\t\t
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- Section<\/li>\n\t\t\t\t\t\t\t\t
- P&A<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Top hole<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Surface section<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Reservoir section<\/a><\/li>\n\t\t\t\t\t\t\t\t
- N\/A<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Production section<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Rig move<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Intermediate section<\/a><\/li>\n\t\t\t\t\t\t\t\t
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- DISCIPLINE<\/li>\n\t\t\t\t\t\t\t\t
- Drilling<\/a><\/li>\n\t\t\t\t\t\t\t\t
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- Logistics<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Well test<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Marine<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Rig Intake<\/a><\/li>\n\t\t\t\t\t\t\t\t
- C&P<\/a><\/li>\n\t\t\t\t\t\t\t\t
- External Environment<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Subsea<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Subsurface<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Multi Discipline<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Project Management<\/a><\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\n\t\t\t\t<\/li>\n\t\t\t\t
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- RIG<\/li>\n\t\t\t\t\t\t\t\t
- Borgland Dolphin<\/a><\/li>\n\t\t\t\t\t\t\t\t
Island Innovator<\/a><\/li>\n\t\t\t\t\t\t\t\t
- <\/li>\n\t\t\t\t\t\t\t\t
- Well<\/li>\n\t\t\t\t\t\t\t\t
Oselvar<\/a><\/li>\n\t\t\t\t\t\t\t\t
Gomez<\/a><\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t
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- PROJECT PHASE<\/li>\n\t\t\t\t\t\t\t\t
- Operational<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Planning<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Reporting<\/a><\/li>\n\t\t\t\t\t\t\t\t
- <\/li>\n\t\t\t\t\t\t\t\t
- CLASSIFICATION<\/li>\n\t\t\t\t\t\t\t\t
- Positive<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Negative<\/a><\/li>\n\t\t\t\t\t\t\t\t
- <\/li>\n\t\t\t\t\t\t\t\t
- Origin<\/li>\n\t\t\t\t\t\t\t\t
- Own Experience<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Experience Transfer Meeting<\/a><\/li>\n\t\t\t\t\t\t\t\t
- NEA Q&A<\/a><\/li>\n\t\t\t\t\t\t\t\t
- PSA Q&A<\/a><\/li>\n\t\t\t\t\t\t\t\t
- PSA Findings<\/a><\/li>\n\t\t\t\t\t\t\t\t
- DMF<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Norog<\/a><\/li>\n\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t
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- TYPE<\/li>\n\t\t\t\t\t\t\t\t
- Equipment<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Planning<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Operational<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Location specific<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Bit<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Logistics<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Mud<\/a><\/li>\n\t\t\t\t\t\t\t\t
- BHA<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Cement<\/a><\/li>\n\t\t\t\t\t\t\t\t
- QHSE<\/a><\/li>\n\t\t\t\t\t\t\t\t
- 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
- Shallow Gas<\/a><\/li>\n\t\t\t\t\t\t\t\t
- BOP<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Casing<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Planning<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Planning<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Top hole<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Planning<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Planning<\/a><\/li>\n\t\t\t\t\t\t\t\t
- DNO<\/a><\/li>\n\t\t\t\t