WE Report

Lessons Learned

Lessons Learned865


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

INEOS
2273 – INEOS

Borgland Dolphin Logistics
Own Experience
Operational 6306/3-1 S
Fat Canyon
Production section 05/11/2021 During operation drilling did go slower than expected and way too often the boats has to go to the . . .

Drilling Engineer / Morten Laget


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INEOS
2272 – INEOS

Borgland Dolphin Logistics
Own Experience
Operational 6306/3-1 S
Fat Canyon
Production section 04/11/2021 SLB D&M sends out several 8ft containers only filled with for examples batteries. One therefore . . .

Drilling Engineer / Morten Laget


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INEOS
2210 – INEOS

Borgland Dolphin Drilling
Own Experience
Planning 6306/3-1 S
Fat Canyon
Top hole 07/10/2021 The MWD/LWD SLB engineer started working and programming the BHA but sturggled to program it. It was . . .

Drilling Engineer / Morten Laget


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INEOS
2211 – INEOS

Borgland Dolphin Logistics
Own Experience
Operational 6306/3-1 S
Fat Canyon
Top hole 07/10/2021 The PSV boat was sent without the 9 7/8″ Pilot BHA due a mistake in WELS. The loadout day of the BHA . . .

Drilling Engineer / Morten Laget


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INEOS
2212 – INEOS

Borgland Dolphin Logistics
Own Experience
Operational 6306/3-1 S
Fat Canyon
Top hole 07/10/2021 The container that contained swivels and HP Filterunit on the manifest was opened on the rig, but . . .

Drilling Engineer / Morten Laget


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INEOS
2205 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational 6306/3-1 S
Fat Canyon
Pre-Lay 06/10/2021 Spud BHA was loaded at Gomez location but not the conductor. Result was that conductor could not be . . .

Drilling Supervisor / Morten Laget


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INEOS
2206 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational 6306/3-1 S
Fat Canyon
Top hole 06/10/2021 9 7/8″ pilot hole BHA received before spud but 17 1/2″ followed later. Had spudded well before 17 . . .

Drilling Supervisor / Morten Laget


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DNO
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



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DNO
2196 – DNO

Borgland Dolphin Logistics 2/5-15
Gomez
04/10/2021 Backloaded with lack of information. Sent to wrong vendor/handled wrong. The casing was mistakenly . . .

Martin Vikse / Morten Laget


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DNO
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


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DNO
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



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DNO
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



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DNO
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



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DNO
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



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DNO
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



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DNO
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



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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.

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INEOS
1529 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational PL937
Fat Canyon
Top hole 01/10/2021 The conductor tally was not ready until last minute, and this created stress for the offshore . . .

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DNO
2172 – DNO

Borgland Dolphin Subsea
Own Experience
Planning A-1 H, A-2 H, A-3 HT2
Oselvar
P&A 01/10/2021 As planned

Lars Solvang / Stig Seland



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DNO
2173 – DNO

Borgland Dolphin Subsea
Own Experience
Planning A-1 H, A-2 H, A-3 HT2
Oselvar
P&A 01/10/2021 Weight of the black eagle hose will make alignment to the manifold flushing cap difficult.

Lars Solvang / Stig Seland



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