WE Report

Lessons Learned

Lessons Learned865


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

INEOS
2319 – INEOS

Borgland Dolphin Drilling
Own Experience
Planning 6306/3-1 S
Fat Canyon
Top hole 09/12/2021
Encountered several shallow gas zones. The decision to use and mobilize foam cement took some . . .

Steinar Aarnes / 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
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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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
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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INEOS
3403 – INEOS

Borgland Dolphin Drilling
Own Experience
Operational PL937
Fat Canyon
Top hole 01/10/2021 Pilot Hole BHA was missed when boat went out from KSU. This was detected by DE offshore when he . . .


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INEOS
2164 – INEOS

Borgland Dolphin Logistics
Own Experience
Operational PL937
Fat Canyon
Top hole 25/09/2021 Equipment was not loaded onto rig when rig was moored at Gomez well location. Offloading supply . . .

Drilling Supervisor / Morten Laget


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