| Operator | Rig | Discipline / Origin | Project Phase | Well | Section | Date | What Happened | |
|---|---|---|---|---|---|---|---|---|
|
208 – Wellesley  |
Transocean Arctic | Drilling | Operational | 35/12-6 S Kallåsen |
Production section | 07/02/2019 |
The Halliburton BSS “skip & ship” system worked very well. There was no problem handling60 m/hr . . .
|
|
|
209 – Wellesley |
Transocean Arctic | Drilling | Operational | 35/12-6 S Kallåsen |
Production section | 07/02/2019 |
|
|
|
210 – Wellesley |
Transocean Arctic | Drilling | Operational | 35/12-6 S Kallåsen |
Production section | 07/02/2019 |
Problems experienced with poor quality of pre-doped connections. Remains of rusty water and storage . . .
|
|
|
211 – Wellesley |
Transocean Arctic | Drilling | Operational | 35/12-6 S Kallåsen |
Production section | 07/02/2019 |
The pump strokes and volume pumped (from pit sensors) matched very well from 0-83 m3 mud pumped . . .
|
|
|
212 – Wellesley |
Transocean Arctic | Drilling | Operational | 35/12-6 S Kallåsen |
Production section | 07/02/2019 |
All 3 wiper plug shears & burst were clearly seen during this cement job; bottom plug shear, top . . .
|
|
|
213 – Wellesley |
Transocean Arctic | Drilling | Operational | 35/12-6 S Kallåsen |
Production section | 07/02/2019 |
Trip sheet from Geoservice and Transocean has shown different numbers. In addition, gains have been . . .
|
|
|
183 – Wellesley |
Transocean Arctic | Drilling | Operational | 35/12-7 Serin |
Production section | 05/02/2019 |
Drilled stab-in float collar in only 50 minutes, but used 3.5 hrs to drill shoe, which is more than . . .
|
|
|
184 – Wellesley |
Transocean Arctic | Drilling | Operational | 35/12-7 Serin |
Production section | 05/02/2019 |
Had to lay out several joints due to missing threads on top of pin ends, (9 5/8″, #53.3, P-110, . . .
|
|
|
201 – Wellesley |
Transocean Arctic | Drilling | Operational | 35/12-6 S Kallåsen |
Production section | 05/02/2019 |
Tried to shear OBM mud in pits before drilling the 12 1/4″ section. At this time the well and all . . .
|
|
|
204 – Wellesley |
Transocean Arctic | Drilling | Operational | 35/12-6 S Kallåsen |
Production section | 05/02/2019 |
Coating from 9 5/8″ casing blocked dices on Franks casing tong (upper jaws). Had to frequently clean . . .
|
|
|
205 – Wellesley |
Transocean Arctic | Drilling | Operational | 35/12-6 S Kallåsen |
Production section | 05/02/2019 |
Double float valves in shoe failed at around 900 m, still inside 13 3/8″ casing. Mud flowed back . . .
|
|
|
316 – DNO  |
Island Innovator | Operational | 6507/7-16 S Canela |
Production section | 07/01/2019 |
Drilled section with planned mud and mud weight without problems with cavings. Cavaings identified . . .
|
||
|
317 – DNO |
Island Innovator | Drilling | Operational | 6507/7-16 S Canela |
Production section | 07/01/2019 |
Drilled section with planned mud and mud weight without problems with cavings. Cavaings identified . . .
|
|
|
320 – DNO |
Island Innovator | Drilling | Operational | 6507/7-16 S Canela |
Production section | 07/01/2019 |
Great care taken breaking circulation at casing TD/washing down to land off. Used 100 lpm steps, . . .
|
|
|
321 – DNO |
Island Innovator | Drilling | Operational | 6507/7-16 S Canela |
Production section | 07/01/2019 |
High values of LOT/FIT expected; 1.95 sg EMW. Value of ESD measured by LWD tool ahead of FIT was . . .
|
|
|
1222 – DNO |
Borgland Dolphin | Drilling Experience Transfer Meeting |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
Production section | 06/05/2012 |
DONG handover documentation: Due to LWD tool failures on previous reservoir sections it was decided . . .
Include mud cooler in future reservoir sections with high temperature. |
|
|
1223 – DNO |
Borgland Dolphin | HSEQ Experience Transfer Meeting |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
Production section | 06/05/2012 |
DONG handover documentation: Due to LWD tool failures on previous reservoir sections it was decided . . .
Include mud cooler in future reservoir sections with high temperature. |
|
|
1224 – DNO |
Borgland Dolphin | Drilling Experience Transfer Meeting |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
Production section | 06/05/2012 |
DONG handover documentation: Due to LWD tool failures on previous reservoir sections it was decided . . .
Include mud cooler in future reservoir sections with high temperature. Alternative larger coolers on . . . |
|
|
1225 – DNO |
Borgland Dolphin | Drilling Experience Transfer Meeting |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
Production section | 06/05/2012 |
DONG handover documentation: Due to the mud cooler the mud temperature was lower, this resulted in . . .
When planning to use a mud cooler consider effects on downhole mud temperature, weight and rheology . . . |
|
|
1226 – DNO |
Borgland Dolphin | Drilling Experience Transfer Meeting |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
Production section | 06/05/2012 |
DONG handover documentation: The deactivation of the underreamer was not done on the bit trip due to . . .
Do not spend time deactivating unless circulating at the shoe for another reason (conditioning mud). . . . |
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
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- 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
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- PSA Findings
- DMF
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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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