Lessons Learned749

Operator Rig Discipline / Origin Project Phase Well Section Date What Happened
DNO 5927 – DNO Deepsea Yantai Drilling
Own Experience
Operational 25/7-11 S
Norma
N/A 19/09/2023 Mud cooler was used frequently throughout the wells. It was mobilized during Eirik and rigged up . . .
John Langelandsvik / Morten Laget
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DNO 5919 – DNO Deepsea Yantai Drilling Operational 25/7-11 S
Norma
N/A 10/09/2023 Done as per plan. For the coring operations a new LCM pill was mixed. The LCM from the 8 1/2″ . . .
Drilling Engineer / Morten Laget
PDF Edit
DNO 5912 – DNO Deepsea Yantai Drilling
Own Experience
Operational 25/7-11 S
Norma
N/A 06/09/2023 Plugging of transfer lines when taking Microbar from vessels several times.
John Langelandsvik / Morten Laget
PDF Edit
PGNiG 5834 – PGNiG Deepsea Yantai Drilling
Own Experience
Planning 6305/10-1
Tomcat
N/A 15/06/2023 BO&K Analysis performed in Aug 2022, with a sensitivity on revised reservoir data. The . . .
Richard Mollison / Morten Laget
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Wellesley 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
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Wellesley 5171 – Wellesley Deepsea Yantai Operational 35/10-10S
Carmen
N/A 06/05/2023 The BOP test tool was not ready to run. No DQ onboard and no status on the tool before they left the . . .
Drilling Engineer / Morten Laget
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DEA 5072 – DEA No Rig HSEQ
Own Experience
INTERNAL
No well N/A 17/02/2023 Feedback: – Likte rebuslĂžpet veldig godt. Samme med Quiz, men kanskje ha den litt kortere. Og . . .
Karina Helle / Anniken Meisler
PDF Edit
PGNiG 4951 – PGNiG Deepsea Yantai Drilling Operational 6608/1-1
Copernicus
N/A 26/09/2022 The Electrician was called and he found a loose wire (norwegian: fase) inside one of the . . .
Steinar Aarnes
PDF Edit
PGNiG 4922 – PGNiG Deepsea Yantai Logistics
Own Experience
Operational 6608/1-1 S N/A 12/09/2022 Captain of the vessel suggested to use the Brine tank for the Premix as Premix does not contain . . .
Johan Kjos-Hanssen / Morten Laget
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DNO 4761 – DNO No Rig Drilling
Own Experience
Planning No well N/A 10/08/2022 In DG1-DG2 rig screening strategy the project landed on 1.5 or Dual derrick rig and all time and . . .
Zol Mollaeian / Sigve K. NĂŠsheim
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Wellesley 3241 – Wellesley Borgland Dolphin HSEQ
Own Experience
Operational 36/1-4
Hemispheres
N/A 28/01/2022 There was a dropped object (DO) incident onboard BGL, and DO is not included in the reporting & . . .
Anniken Meisler / Morten Laget
PDF Edit
INEOS 1530 – INEOS Borgland Dolphin Drilling
Own Experience
Operational PL937
Fat Canyon
N/A 02/10/2021 Difficulty accessing BHA drawings on SharePoint during rig move due to poor internet connection.
/
PDF Edit
INEOS 3404 – INEOS Borgland Dolphin Rig Intake
Own Experience
Operational PL937
Fat Canyon
N/A 29/09/2021 Continuation of key personnel offshore (DSV, DE, services companies)
PDF Edit
DNO 1992 – DNO Borgland Dolphin C&P
Own Experience
INTERNAL
Operational A-1 H, A-2 H, A-3 HT2
Oselvar
N/A 14/07/2021 Sometimes invoice dates does not match with actual backload dates
Drilling Engineer / Stig Seland
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DNO 1547 – DNO Borgland Dolphin Drilling
Own Experience
Operational A-1 H, A-2 H, A-3 HT2
Oselvar
N/A 29/05/2021 Camera not able to get a 360 view as it was off center
Lars Solvang / Stig Seland
PDF Edit
DNO 1531 – DNO Borgland Dolphin Logistics
Own Experience
Planning A-1 H, A-2 H, A-3 HT2
Oselvar
N/A 21/05/2021 Max PAX during operations landed on 16 PAX in even good flying conditions and personnel was bumped . . .
Johan Kjos-Hanssen / Stig Seland
PDF Edit
DNO 1438 – DNO Borgland Dolphin HSEQ
PSA Q&A
Planning 2/5-15
Gomez
N/A 16/04/2021 Hvilke tiltak har operatĂžr iverksatt for Ă„ sikre at operatĂžrs og annet 3. parts utstyr tatt ombord . . .
Karina Helle / Morten Laget
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DNO 1440 – DNO Borgland Dolphin Marine
PSA Q&A
Planning 2/5-15
Gomez
N/A 16/04/2021 Hva gjÞres for Ä unngÄ dannelse av martensitt i overflatene pÄ ankerkjettingene?
Karina Helle / Morten Laget
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DNO 1439 – DNO Borgland Dolphin HSEQ
PSA Q&A
Planning 2/5-15
Gomez
N/A 16/04/2021 Hvilke rutiner er etablert for Ă„ formidle resultater fra arbeidsmiljĂžkartlegginger eller . . .
Karina Helle / Morten Laget
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DNO 1445 – DNO Borgland Dolphin HSEQ
PSA Q&A
Planning 2/5-15
Gomez
N/A 16/04/2021 Utdrag av rapport /66/ DNO, 2021. P968-DNO-D-RA-0004 Rig intake report mhp. beredskapsrelaterte . . .
Karina Helle / Morten Laget
PDF Edit

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