| 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 |
|
|
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 |
|
|
6254 – Wellesley |
COSLPromoter, COSL Promoter | Drilling | Operational | 35/11-5, 39/11-29S Toppand East |
Reservoir section | 30/05/2024 |
Needed to change the BX inserts. Resulting in 30 min rig time and unnecessary manual handling.
Drilling Engineer / 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 |
|
|
5844 – Wellesley |
Deepsea Yantai | Drilling | Operational | 35/10-10 A Carmen |
Production section | 10/07/2023 |
Needed several trips with the tool up in the casing to cool it down.
Drilling Engineer / Morten Laget |
|
|
5839 – Wellesley |
Deepsea Yantai | Drilling | Operational | 35/10-10S Carmen |
Intermediate section | 20/06/2023 |
The cement didn’t set up as expected.
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 |
|
|
5833 – Wellesley |
Deepsea Yantai | Other | Operational | 35/10-10S Carmen |
N/A | 13/06/2023 |
Unable to lift the BOP elevator with LMRP past fixed guide/bumper beams in moonpool. LMRP diameter . . .
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 |
|
|
5173 – Wellesley |
Deepsea Yantai | Drilling | Operational | 35/10-10S Carmen |
Reservoir section | 08/05/2023 |
Crew not participating in the pre-job meeting but involved in L/D core.
Drilling Engineer / Morten Laget |
|
|
5174 – Wellesley |
Deepsea Yantai | Drilling | Operational | 35/10-10S Carmen |
Reservoir section | 08/05/2023 |
Treated the mud for the second and subsequent runs circulating BU after cutting cores.
Drilling Engineer / Morten Laget |
|
|
5175 – Wellesley |
Deepsea Yantai | Drilling | Operational | 35/10-10S Carmen |
Reservoir section | 08/05/2023 |
Followed the HPHT manual for fingerprinting. Fingerprinter found some improvement point to the . . .
Drilling Engineer / Morten Laget |
|
|
5176 – Wellesley |
Deepsea Yantai | Drilling | Operational | 35/10-10S Carmen |
Reservoir section | 08/05/2023 |
When coring 54 m cores, during connection the kick stand was removed a single joint was connected . . .
Drilling Engineer / 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 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
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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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- 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
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- 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
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- 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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- Rig move<\/a><\/li>\n\t\t\t\t\t\t\t\t
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- 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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- 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
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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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- 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