WE Report

Lessons Learned

Lessons Learned865


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

INEOS
2279 – INEOS

Borgland Dolphin Drilling
Own Experience
Planning 6306/3-1 S
Fat Canyon
Intermediate section 07/11/2021 9 5/8″ float shoe filled up with mud.

Drilling Supervisor / Morten Laget


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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
2275 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational 6306/3-1 S
Fat Canyon
Intermediate section 06/11/2021 Had two bit trips with very low, down to 1 m/hr ROP

Drilling Supervisor / Morten Laget


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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
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
2214 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational 6306/3-1 S
Fat Canyon
Top hole 10/10/2021 It happened as planned. However, a suggestion of improvement was proposed.

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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INEOS
2207 – INEOS

Borgland Dolphin Drilling
Own Experience
Planning 6306/3-1 S
Fat Canyon
Top hole 06/10/2021 We found shallow gas, and suddenly had to rely on surface equipment (iBOPs on the DDM) as a second . . .

Drilling Supervisor / Morten Laget


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INEOS
2208 – INEOS

Borgland Dolphin Drilling
Own Experience
Planning 6306/3-1 S
Fat Canyon
Top hole 06/10/2021 Hit shallow gas on drilling pilot hole.

Drilling Supervisor / Morten Laget


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DNO
2209 – DNO

Borgland Dolphin External Environment
Own Experience
Planning 2/5-15
Gomez
P&A 06/10/2021 Due to potential WoW it was considered to leave the well and for DNO to join Oceaneering WH cutting . . .

Christina Sæland Rødne / Christina Sæland Rødne



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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
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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