Crude Oil Lines (Buried) of a leading international oil producer
in Indonesia
Project: Crude Oil Lines (Buried)
Location: Indonesia
Applicator: CV Dian Indah Lestari
Date of Application: September 1999
The Challenge:
The delivery
lines measuring 4” in dia connecting their oil well in the
Minas Field had to be frequently replaced within a period of 12
– 18 months regularly because of leaks due to corrosion
of the externals primarily due to their exposure
to the existing volcanic soil / moisture. Current protection exercises
by applying a coat of bituminous epoxies have failed to solve
the corrosion problems.
The Recommendation:
Corro-Dur 258 was used for this
project mainly for the following reasons:
1) Environment & user friendly
2) Long term protection
3) Ease of application
4) Resistant to the fluctuating
humid environment
System Specification:
1) Grind
/Wire brush to remove mill scale from New Pipes.
2) Carry
out a stripe coat of Corro-Dur 258 on all edges/corners by brush
3) Apply
Corro-Dur 258 in two passes to achieve a minimum of 350- 400 microns
dft.
4) Allow
to dry for 2 hrs & install
Conclusion:
Coating was carried out as per above specification
& installed within 8 working hours thus reducing down time
drastically & also to ensure that the buried pipeline is protected
adequately
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