| Operator | Rig | Discipline / Origin | Project Phase | Well | Section | Date | What Happened | |
|---|---|---|---|---|---|---|---|---|
|
8483 – DNO  |
Deepsea Yantai | HSEQ | Operational | 35/10-13 Kjøttkake |
P&A | 24/03/2025 |
When cementer was dropping/pushing CST into DP filled with OBM “splashed” out of pipe and spilled on . . .
Sander Schaathun / Stig Seland |
|
|
8484 – DNO |
Deepsea Yantai | Drilling | Planning | 35/10-13 Kjøttkake |
P&A | 24/03/2025 |
3 ½” DP was racked back in due time, but handling such small tubular takes time.
Sander Schaathun / Stig Seland |
|
|
8380 – DNO |
Deepsea Yantai | Drilling | Operational | 35/10-13 Kjøttkake |
P&A | 04/03/2025 |
Indication of cut was not recognized. Decided to POOH and run in with B/U cutting eq. with marine . . .
Sander Schaathun / Stig Seland |
|
|
8381 – DNO |
Deepsea Yantai | Drilling | Operational | 35/10-13 Kjøttkake |
P&A | 04/03/2025 |
When cutting the 9 5/8” casing with low flow / pressure, the parameters spiked / fluctiated. When . . .
Sander Schaathun / Stig Seland |
|
|
8382 – DNO |
Deepsea Yantai | Drilling | Operational | 35/10-13 Kjøttkake |
P&A | 04/03/2025 | Lost rubber drill pipe wiper downhole. After pulled out with the cement stinger and when changing . . . Sander Schaathun / Stig Seland |
|
|
8383 – DNO |
Deepsea Yantai | Drilling | Operational | 35/10-13 Kjøttkake |
P&A | 04/03/2025 |
The swedge that arrived the rig had a XO. When setting a Kelly cock on the swedge the total length . . .
Sander Schaathun / Stig Seland |
|
|
6978 – DNO |
Nobel Invincible | Drilling | Operational | 2/6-7 S Falstaff |
P&A | 21/11/2024 |
Sat the EZSV and tagged with 6t and and overpull of 27t. Performed two pressure tests, but both . . .
Drilling Engineer |
|
|
6967 – DNO |
Nobel Invincible | Drilling | Operational | 2/6-7 S Falstaff |
P&A | 11/11/2024 |
For plug #1D incorrect concentration of retarder was used in the cement mix – extending the . . .
Lene Lomeland |
|
|
6968 – DNO |
Nobel Invincible | Drilling | Operational | 2/6-7 S Falstaff |
P&A | 11/11/2024 |
Due to incorrect concentration of retarder in #1D it was uncertainty of the density of the cement . . .
Lene Lomeland |
|
|
6969 – DNO |
Nobel Invincible | Drilling | Planning | 2/6-7 S Falstaff |
P&A | 11/11/2024 |
Attempted to dress off cement after the sample in the UCA cell started to build compressive . . .
Lene Lomeland |
|
|
5909 – DNO |
Deepsea Yantai | Drilling | Operational | 25/7-11 S Norma |
P&A | 05/09/2023 |
Due to high percentage of gas in the mud return the interface had to go over the shaker system and . . .
Drilling Engineer / Morten Laget |
|
|
5907 – DNO |
Deepsea Yantai | Drilling | Operational | 25/7-11 S Norma |
P&A | 03/09/2023 |
It was not clearly stated in the HLB cement program how the cement calculations should be carried . . .
Drilling Engineer / Morten Laget |
|
|
2209 – DNO |
Borgland Dolphin | External Environment Own Experience |
Planning | 2/5-15 Gomez |
P&A | 06/10/2021 |
Due to potential WoW it was considered to leave the well and for DNO to join Oceaneering WH cutting . . .
Christina Sæland Rødne / Christina Sæland Rødne |
|
|
2194 – DNO |
Borgland Dolphin | Wireline / Slickline Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 04/10/2021 |
Due to the missing clamps the control lines was coiled up around the tubing and made it impossible . . .
Lars Solvang / Stig Seland |
|
|
2197 – DNO |
Borgland Dolphin | Wireline / Slickline Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 04/10/2021 |
Deep set plug failed during pressure test.
Lars Solvang / Stig Seland |
|
|
2198 – DNO |
Borgland Dolphin | Drilling Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 04/10/2021 |
H2S had formed in the annulus fluid.
Lars Solvang / Stig Seland |
|
|
2199 – DNO |
Borgland Dolphin | Bleed of package Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 04/10/2021 |
Hydrocarbons contamination required a bleed off package to be installed.
Lars Solvang / Stig Seland |
|
|
2200 – DNO |
Borgland Dolphin | Bleed of package Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 04/10/2021 |
The wireline plug failed and a backup had to be run.
Lars Solvang / Stig Seland |
|
|
2201 – DNO |
Borgland Dolphin | Completion Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 04/10/2021 |
Clamps holding the control lines (polyoil clamps) had disintegrated.
Lars Solvang / Stig Seland |
|
|
2202 – DNO |
Borgland Dolphin | Completion Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 04/10/2021 |
Clamps holding the control lines (polyoil clamps) had disintegrated. Tubing had to be cut after it . . .
Lars Solvang / Stig Seland |
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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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
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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
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- 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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- 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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- Surface section<\/a><\/li>\n\t\t\t\t\t\t\t\t
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- 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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- Drilling<\/a><\/li>\n\t\t\t\t\t\t\t\t
- HSEQ<\/a><\/li>\n\t\t\t\t\t\t\t\t
- 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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- 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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- Operational<\/a><\/li>\n\t\t\t\t\t\t\t\t
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- Reporting<\/a><\/li>\n\t\t\t\t\t\t\t\t
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- Positive<\/a><\/li>\n\t\t\t\t\t\t\t\t
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- 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
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- 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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- Equipment<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Planning<\/a><\/li>\n\t\t\t\t\t\t\t\t
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- 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