KHIA headerKnow-How in Action

VOL XXV, NO 19, ELITE

Belzona® Repairs Underwater Pipe On Offshore Platform

 
 

Industry:

Buildings & Structures (BSTR)

 
 

Application:

Centrifugal Pumps (CEP)

 
 

Customer Location:

Oil and Gas Platform, Brazil

 
 

Application Date:

March 2008

 
 

Application Situation:

Sump pipe on oil and gas platform

 
 

Problem:

Sump pipe was cracked due to impact. It was required to seal the affected area under water.

 
 

Products:

Belzona® 1161 (Super UW-Metal)

Belzona® 5831 (ST-Barrier)

 

Substrate:

Carbon Steel

 
 

Application Method:

Application was carried out using a modified version of Belzona Know-How System Leaflet VPF-11a. Surface was cleaned in accordance with ISO 8501-1 St2/3 using pneumatic sander. Prior to commencement of the application several plates were coated with Belzona® 5831 for future corrosion protection. Plates bonded in place by diver using Belzona® 1161. Clamps were used to hold plates in place during curing process.

 
 

Belzona Facts:

Practical training was carried out with the divers prior to carrying out the actual application.  Upon completion, inspection was carried out and a small leak was detected. The leak was repaired with the Belzona® 1161/5831 system.This repair is in perfect condition when last inspected in 2010.

 
 

Photographs Description

  1. Adhesion test being carried out with plates coated with Belzona® 5831 prior to application
  2. Testing Belzona® 1161 on edges of plate under immersed conditions
  3. Application being carried out by divers under water
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 

 

 
 
For more information about Belzona visit: www.belzona.com