| Operator | Rig | Discipline / Origin | Project Phase | Well | Section | Date | What Happened | |
|---|---|---|---|---|---|---|---|---|
|
8481 – DNO  |
Deepsea Yantai | Drilling | Planning | 35/10-13 Kjøttkake |
Reservoir section | 24/03/2025 | Reached TD without signifigent problems. Sampled acc. To plan. Some pressure point samples . . . Sander Schaathun / Stig Seland |
|
|
8482 – DNO |
Deepsea Yantai | Drilling | Operational | 35/10-13 Kjøttkake |
Reservoir section | 24/03/2025 |
Very well executed and all objectives was met.
Sander Schaathun / Stig Seland |
|
|
8325 – DNO |
Deepsea Yantai | Drilling | Operational | 35/10-13 Kjøttkake |
Reservoir section | 19/02/2025 |
Due to upcoming bad weather we needed to set the plug using IO support.
Sander Schaathun / Stig Seland |
|
|
6805 – DNO |
Nobel Invincible | Drilling | Operational | 2/6-7 S Falstaff |
Top hole | 07/10/2024 |
Removed one slip element to allow passage of Frelok hydraulic line below RF without damage.
Lene Lomeland |
|
|
6766 – DNO |
Nobel Invincible | Drilling | Operational | 2/6-7 S Falstaff |
Top hole | 23/09/2024 |
Both TFMC and Mitsui numbers marked on joints. TFMC rig numbers marked but with prefix TFMC making . . .
Lene Lomeland |
|
|
6767 – DNO |
Nobel Invincible | Logistics | Planning | 2/6-7 S Falstaff |
Top hole | 23/09/2024 |
Excellent planning. Safely executed. Experienced and knowledgeable Expro crews who cooperated good . . .
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 |
|
|
5911 – DNO |
Deepsea Yantai | Drilling | Operational | 25/7-11 S Norma |
Reservoir section | 05/09/2023 |
Time drill to initiate KO with 2 m/hr. Good performance kicking off from mainbore, no problems
Drilling Engineer / Morten Laget |
|
|
5906 – DNO |
Deepsea Yantai | Operational | 25/7-11 S Norma |
Reservoir section | 03/09/2023 |
The primary MDT tool and BU failed. A additional MDT tool was mobilized from Deepsea Stavanger.
Drilling Engineer / Morten Laget |
||
|
5872 – DNO |
Deepsea Yantai | Drilling Own Experience |
Operational | 25/7-11 S Norma |
Surface section | 07/08/2023 |
the ROP is very slow ( 1-2 m/hr) after drilling approximately 1500 meters using XZ816 PDC bit. . . .
Drilling Engineer / Morten Laget |
|
|
5854 – DNO |
Deepsea Yantai | Drilling Own Experience |
Operational | 25/7-11 S Norma |
Top hole | 30/07/2023 |
When checking for cement outside the condcutor there was no cement to be found on 3/4 of the sides. . . .
Drilling Engineer / Morten Laget |
|
|
5855 – DNO |
Deepsea Yantai | Drilling Own Experience |
Operational | 25/7-11 S Norma |
Top hole | 30/07/2023 |
After the 30″ conductor shoe was drilled the inclination of the conductor increased. Used the WHRT . . .
Drilling Engineer / Morten Laget |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
2094 – DNO |
Borgland Dolphin | Logistics Own Experience |
Operational | 2/5-15 Gomez |
Reservoir section | 23/08/2021 |
Prior to mobilization of 8-1/2″ BHA, Coring and Wireline tools we held a aligmnement meeting to . . .
Johan Kjos-Hanssen |
|
|
2006 – DNO |
Borgland Dolphin | Drilling Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 02/08/2021 |
When pulling 13 3/8″ seal assembly on other wells the choke and kill line failsafes were open . . .
Drilling Supervisor / Stig Seland |
|
|
2005 – DNO |
Borgland Dolphin | Drilling Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 28/07/2021 |
Volume required was larger that expected for first 20 bar. However from 20 bar to 50 bar the volume . . .
Drilling Supervisor / Stig Seland |
|
|
2004 – DNO |
Borgland Dolphin | Drilling Own Experience |
Operational | A-1 H, A-2 H, A-3 HT2 Oselvar |
P&A | 27/07/2021 | Franks tong was moved into the drill floor from the starboard tool landing are on the skate through . . . Drilling Supervisor / Stig Seland |
|
|
1993 – DNO |
Borgland Dolphin | Drilling Own Experience |
Operational | A-1 H Oselvar |
P&A | 19/07/2021 |
Jacked 9 5/8″ free using Baker Mastodon jacking tool. Used 49 pressure cycles to jack casing 17 m, . . .
Drilling Supervisor / 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
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- Negative
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- Own Experience
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- PSA Findings
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- RIG
- Deepsea Bergen
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- Rungne
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- Own Experience
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- PSA Findings
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NO LLs for INEOS- RIG
- Borgland Dolphin
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- Fat Canyon
- PROJECT PHASE
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- Own Experience
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- RIG
- Deepsea Yantai
- Well
- Shrek
- PROJECT PHASE
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- Operational
- Planning
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- Origin
- Own Experience
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