WE Report

Lessons Learned

Lessons Learned865


Operator Rig Discipline / Origin Project Phase Well Section Date What Happened

INEOS
2318 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational 6306/3-1 S
Fat Canyon
Production section 09/12/2021
The used 9 5/8″ casing was run quite smoothly. Not a single joint rejected, and Frank’s tongs . . .

Steinar Aarnes / Morten Laget


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INEOS
2320 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational 6306/3-1 S
Fat Canyon
Production section 09/12/2021
Managed to barely land the casing in very sticky clay.

Since the mainbore 9 5/8″ casing became . . .

Steinar Aarnes / Morten Laget


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INEOS
2301 – INEOS

Borgland Dolphin HSEQ
Own Experience
Operational 6306/3-1 S
Fat Canyon
From start to end. 09/11/2021 Øyvind Siegesmund asked if we, the drilling engineer together with supervisor, could provide a score . . .

Drilling Engineer / Christina Sæland Rødne


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INEOS
2280 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational 6306/3-1 S
Fat Canyon
Intermediate section 07/11/2021 Had initially many problems with Franks equipment that did not work, and cold windy weather outside . . .

Drilling Supervisor / Morten Laget


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INEOS
3407 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational PL937
Fat Canyon
Intermediate section 04/11/2021
ROP in 12 1/4″ section dropped to almost nothing at +/- 1900 m. Drilling parameters were varied, and . . .

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INEOS
2269 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational 6306/3-1 S
Fat Canyon
Intermediate section 31/10/2021 ROP dropped from 50 m/hr to 1 m/hr

Drilling Supervisor / Morten Laget


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INEOS
3405 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational PL937
Fat Canyon
Top hole 02/10/2021
A 30 m3 viscous freshwater spacer was pumped ahead of the cement to avoid contamination from sea . . .

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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)


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