| Operator | Rig | Discipline / Origin | Project Phase | Well | Section | Date | What Happened | |
|---|---|---|---|---|---|---|---|---|
|
6455 – Wellesley  |
COSLPromoter | Drilling Own Experience |
Operational | 35/10-12 S Gnomoria |
P&A | 05/07/2024 |
Observed flowback of the mud lost while running and cementing 9 5/8″ casing. Of ±200 m3 of mud lost, . . .
Drilling Engineer / Morten Laget |
|
|
6456 – Wellesley |
COSLPromoter | Drilling Own Experience |
Operational | 35/10-12 S Gnomoria |
P&A | 05/07/2024 |
Discussion about the risk of accidentally pulling the seal assembly free (no outer lock ring . . .
Drilling Engineer / Morten Laget |
|
|
6391 – Wellesley |
COSLPromoter | Drilling Own Experience |
Planning | 35/10-12AS Gnomoria |
Surface section | 12/06/2024 |
Not possible to M/U the no-cross joint, because it was not possible to grip with the casing tong on . . .
Giacomo Bonomo / Morten Laget |
|
|
6384 – Wellesley |
COSLPromoter | Drilling Own Experience |
Operational | 35/10-4 A Gnomoria |
Top hole | 11/06/2024 |
RMR external adapter in place. Not possible to easily access profile and install VX gasket without . . .
Giacomo Bonomo / Morten Laget |
|
|
6368 – Wellesley |
COSLPromoter, COSL Promoter | Drilling Own Experience |
Operational | 35/11-5, 39/11-29S Toppand East |
Reservoir section | 06/06/2024 |
The BOP test tool could not be used, because one of the TJ was in conflict with the LPR. The TJ . . .
Giacomo Bonomo / Morten Laget |
|
|
6369 – Wellesley |
COSLPromoter, COSL Promoter | Drilling Own Experience |
Operational | 35/11-5, 39/11-29S Toppand East |
Surface section | 06/06/2024 |
Not possible to reach the profile depth with the ROV jetting tool, as the RMR external adapter top . . .
Giacomo Bonomo / Morten Laget |
|
|
5937 – Wellesley |
Deepsea Yantai | Drilling Own Experience INTERNAL |
Operational | 35/10-10S Carmen |
Other | 24/10/2023 |
During operation several MoC’s were made. A link to the risk register was enclosed in the MoC . . .
Åse Kristin Pettersen |
|
|
5936 – Wellesley |
Deepsea Yantai | Marine Own Experience |
Operational | 35/10-10S Carmen |
CAN-Ductor | 23/10/2023 |
Risk of WOW during Carmen CAN-Ductor installation and recovery leading to Wellesley being . . .
Stian Engvik / Morten Laget |
|
|
5845 – Wellesley |
Deepsea Yantai | Drilling Own Experience |
Operational | 35/10-10S Carmen |
P&A | 12/07/2023 |
Pulled casing hanger with upper annular closed and C&K lines closed.
Drilling Engineer / Morten Laget |
|
|
5835 – Wellesley |
Deepsea Yantai | Drilling Own Experience |
Planning | 35/10-10S Carmen |
Surface section | 16/06/2023 |
Crossovers supplied were of very different lengths: 4m, 6m and 12m.
Drilling Engineer / Morten Laget |
|
|
5836 – Wellesley |
Deepsea Yantai | Drilling Own Experience |
Planning | 35/10-10S Carmen |
Top hole | 16/06/2023 |
The casing string run was a mixed string of VAM TOP and VAM 21 with VAP TOP run first. This meant . . .
Drilling Engineer / Morten Laget |
|
|
5837 – Wellesley |
Deepsea Yantai | Drilling Own Experience |
Operational | 35/10-10S Carmen |
Surface section | 16/06/2023 |
Pups could not be run from aux using the “handshake” technique (too short for the Hydraracker) and . . .
Drilling Engineer / Morten Laget |
|
|
5186 – Wellesley |
Deepsea Yantai | Drilling Own Experience |
Operational | 35/10-10S Carmen |
Reservoir section | 20/05/2023 | Drilled 8 1/2″ section with 5 7/8″ DP with 1400-1500 lpm and low ROP, saw ECD up to 18 points. MW . . . Drilling Engineer / Morten Laget |
|
|
5184 – Wellesley |
Deepsea Yantai | Drilling Own Experience |
Operational | 35/10-10S Carmen |
Reservoir section | 18/05/2023 |
Managed to fish roughly 1/2 of junk in hole that accumulated in junk basket (some was seen over . . .
Drilling Engineer / Morten Laget |
|
|
5185 – Wellesley |
Deepsea Yantai | Drilling Own Experience |
Operational | 35/10-10S Carmen |
Reservoir section | 18/05/2023 |
On second MDT got stuck with Saturn packer and had to release electrical cable head and fish . . .
Drilling Engineer / Morten Laget |
|
|
5157 – Wellesley |
Deepsea Yantai | Drilling Own Experience |
Operational | 35/10-10S Carmen |
Production section | 24/04/2023 |
It was done before the cementer got the change to da a pre-job check / install bypass baffle etc.
Drilling Engineer / Morten Laget |
|
|
5141 – Wellesley |
Deepsea Yantai | Drilling Own Experience |
Operational | 35/10-10S Carmen |
Intermediate section | 13/04/2023 |
Not approved pressure test. Downtime to drilling contractor.
Drilling Engineer / Morten Laget |
|
|
5127 – Wellesley |
Deepsea Yantai | Drilling Own Experience |
Operational | 35/10-10S Carmen |
Surface section | 10/04/2023 |
Not enough deckspace to place shoe and sting-in float. Had to be laid in riser bay.
Drilling Engineer / Morten Laget |
|
|
4960 – Wellesley |
Borgland Dolphin | Logistics Own Experience |
End of Well | 36/1-4 Hemispheres |
Other | 14/12/2022 |
Sevaral months after end of operation personnel on Saga Fjordbase found a full mudskip left after . . .
Johan Kjos-Hanssen / Morten Laget |
|
|
3373 – Wellesley |
Borgland Dolphin | Marine Own Experience |
Operational | 36/1-4 Hemispheres |
Rig move | 18/02/2022 |
Uncontrolled runout of anchor and chain
Stian Engvik / Morten Laget |
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 Bergen<\/a><\/li>\n\t\t\t\t\t\t\t\t
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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
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Rungne<\/a><\/li>\n\t\t\t\t\t\t\t\t
Shrek<\/a><\/li>\n\t\t\t\t\t\t\t\t
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Serin<\/a><\/li>\n\t\t\t\t\t\t\t\t
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