| Operator | Rig | Discipline / Origin | Project Phase | Well | Section | Date | What Happened | |
|---|---|---|---|---|---|---|---|---|
|
5859 – DNO  |
Deepsea Yantai | Drilling Own Experience |
Operational | 25/7-11 S Norma |
Top hole | 30/07/2023 |
Drawwork in landing mode. No change in hookload while cementing and displacing.
Drilling Engineer / Morten Laget |
|
|
5861 – DNO |
Deepsea Yantai | Drilling Own Experience |
Operational | 25/7-11 S Norma |
Top hole | 30/07/2023 |
Difficult to see cement in return due to poor visibility at seabed. pH sniffer indicated cement in . . .
Drilling Engineer / Morten Laget |
|
|
5862 – DNO |
Deepsea Yantai | Drilling Own Experience |
Operational | 25/7-11 S Norma |
Top hole | 30/07/2023 |
When displacing the 26″ hole at TD a large volume of WBM was needed. And due to VDL the mud column . . .
Drilling Engineer / Morten Laget |
|
|
5863 – DNO |
Deepsea Yantai | Drilling Own Experience |
Operational | 25/7-11 S Norma |
Top hole | 30/07/2023 |
Everything went according to plan, no hole problems. Not much mud left.
Drilling Engineer / Morten Laget |
|
|
5864 – DNO |
Deepsea Yantai | Drilling Own Experience |
Operational | 25/7-11 S Norma |
BOP running | 30/07/2023 |
Used two ROVs to guide the BOP on top of WHH. No problems.
Drilling Engineer / Morten Laget |
|
|
5865 – DNO |
Deepsea Yantai | Drilling Own Experience |
Operational | 25/7-11 S Norma |
Surface section | 30/07/2023 |
Problems in start of 17 1/2″ Section with plug in blower system to ISO tanks. Few skips in field.
Drilling Engineer / Morten Laget |
|
|
5867 – DNO |
Deepsea Yantai | Subsurface Own Experience |
Operational | 25/7-11 S Norma |
Surface section | 30/07/2023 |
New version of the Gravitas earlier used. The WSG not used to the new version.
Drilling Engineer / Morten Laget |
|
|
5868 – DNO |
Deepsea Yantai | Drilling Own Experience |
Operational | 25/7-11 S Norma |
Surface section | 30/07/2023 | The drill commenced with the Driller pressuring up the well with 30 bar. The classic method of . . . Drilling Engineer / Morten Laget |
|
|
5869 – DNO |
Deepsea Yantai | Drilling Own Experience |
Operational | 25/7-11 S Norma |
Surface section | 30/07/2023 |
From the start of the section after the FIT, delivery of cuttings to the ISO tanks using the CCBs . . .
Drilling Engineer / Morten Laget |
|
|
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 |
|
|
2203 – DNO |
Borgland Dolphin | Subsea Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 04/10/2021 | The point load on the boat deck was higher than allowed and 4 x 1m2 steal plates was needed under . . . Lars Solvang / Stig Seland |
|
|
2174 – DNO |
Borgland Dolphin | Subsea Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 01/10/2021 |
Extraction stopped as the hub was secured with wire bracing. These had to be cut before operation . . .
Lars Solvang / Stig Seland |
|
|
2191 – DNO |
Borgland Dolphin | Subsea Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 01/10/2021 |
Pulled landing string and run a tubing hanger running tool on drill pipe. Pull the completion with . . .
Lars Solvang / Stig Seland |
|
|
2192 – DNO |
Borgland Dolphin | Wireline / Slickline Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 01/10/2021 |
Pulling HXT crown plugs with slickline using a mechanical jar was not successful. Changed out to a . . .
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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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
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Transocean Arctic<\/a><\/li>\n\t\t\t\t\t\t\t\t
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Brasse<\/a><\/li>\n\t\t\t\t\t\t\t\t
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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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- 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
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- 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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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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- Bit<\/a><\/li>\n\t\t\t\t\t\t\t\t
- Logistics<\/a><\/li>\n\t\t\t\t\t\t\t\t
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- 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
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