Case Study: Residuals separator

Separator vessel found to be in excellent condition after 14 years in service.

Client

Occidental (now Talisman).

Application Date

1992 (inspection 2006).

Background

Planned inspection of existing equipment as part of an
extensive upgrade program.

Scope Of Work

The residuals separator vessel was originally lined in
1992 using Polyglass VEF, and has operated
continuously in a sour crude environment at
temperatures of 71ºC at a pressure of 14 bar

Products used

Corrocoat’s POLYGLASS VEF.

Substrate

Carbon steel with stainless steel brackets and fittings.

Inspection report

The coating was in excellent condition. It was free from
blisters and integrally sound.
There were a small number of mechanical defects,
particularly in the manway area. It was assumed these
were cause during the inspection/cleanout.

Photographs

Left: Residuals separator general view.
Middle: Residuals separator, sand jet pipework.
Right: Residuals separator, internal furniture.
(Note: this picture shows no undercutting or
delamination from the exposed edge).