WE Report

Lessons Learned

Lessons Learned865

My cases
My open cases


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

PGNiG
379 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Cut of 9-5/8” casing close to/above uncemented weak sand interval (w/ minor 5% gas). Resulted in . . .


PDF


Edit


PGNiG
380 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Circulating after releasing 9-5/8” hgr.


PDF


Edit


PGNiG
381 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Reservoir section 22/10/2019 Circulating beneath annular for potential gas (ie on pulling seal assy)


PDF


Edit


PGNiG
382 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 12-/4” drilling – parameters went well.


PDF


Edit


PGNiG
383 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Had to stop operations to fix a leak in TDX s-pipe connection – 2x o-rings.


PDF


Edit


PGNiG
384 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 NOV software did not include the PGNiG well so PGNiG personnel unable to see it – only seen in . . .


PDF


Edit


PGNiG
385 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Excellent mud performance throughout operations. Issues with O/W ratio due to topside issues.


PDF


Edit


PGNiG
386 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Production section 22/10/2019 Excellent cement performances throughout operations (except the first KOP due to losses, weak . . .


PDF


Edit


PGNiG
335 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Rig move 21/10/2019 The c-plate was onshore and put on spud boat just in time.


PDF


Edit


PGNiG
336 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Rig move 21/10/2019 Due to AHV cost we moored prior to spudding due to vessels been on contract due to market situation


PDF


Edit


PGNiG
337 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Top hole 21/10/2019
When running conductor 0.5 m higher stick-up was observed.
Base plan was to hold the conductor . . .


PDF


Edit


PGNiG
338 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Top hole 21/10/2019
Slow ROP with 36″ x 42″ BHA, due to keeping neutral point below seabed, it limited the drilling . . .


PDF


Edit


PGNiG
339 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Top hole 21/10/2019 Rigged up for conductor running, extra 20 ft mobilized for the operation.


PDF


Edit


PGNiG
340 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Pilot hole section 21/10/2019 BHAs racked offline; very tight tolerances with racking boards and stabilizers etc. Same crew that . . .


PDF


Edit


PGNiG
341 – PGNiG

 		Deepsea Nordkapp Drilling Operational 6507/5-9 S, 6507/5-9 A
Shrek		 Pilot hole section 21/10/2019 Debris and cuttings could congregate around the subsea WHIM as cuttings would not go to surface . . .


PDF


Edit


Faroe
291 – Faroe

 		Transocean Arctic Drilling Operational 31/7-3 A
Brasse		 Reservoir section 03/10/2019 It took 5 hours to drill the wiper plugs in the Weatherford liner. This is twice as long as normal. . . .


PDF


Edit


Faroe
292 – Faroe

 		Transocean Arctic Drilling Operational 31/7-3 A
Brasse		 Reservoir section 03/10/2019 Stuck with wireline toolstring 1A ZAIT-PEX-PPC-MSIP-PPC-NGI-XPT at 2831 m, bottom of toolstring and . . .


PDF


Edit


Faroe
293 – Faroe

 		Transocean Arctic Drilling Operational 31/7-3 A
Brasse		 Reservoir section 03/10/2019 Performed cut and thread operation to free stuck wireline cable and fish wireline toolstring 1A. . . .


PDF


Edit


Faroe
294 – Faroe

 		Transocean Arctic Drilling Operational 31/7-3 A
Brasse		 Reservoir section 03/10/2019 After engaging fish in overshot an electrical release of cable head (ECRD) was planned. Due to . . .


PDF


Edit


Faroe
295 – Faroe

 		Transocean Arctic Drilling Operational 31/7-3 A
Brasse		 Reservoir section 03/10/2019 Unable to release cable head after engaging fish -> reverse cut and thread operation next. . . .


PDF


Edit


New Lesson Learned

You do not have permission to view this form.

Cancel
Save Draft
Submit






\n\t\t

\n\t\t\t\n\t\t\t