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The pigs can also break apart

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Bob Peters

Beginner

Posts: 15

1

Friday, September 5th 2008, 4:49pm

The pigs can also break apart

Pigs can even break apart into pieces in the pipeline. Recovery of a broken piece is a problem, but a second problem. The first problem, I think, is to find the broken piece is stuck.

I have read a piece about a "scraper pig" breaking into pieces in the 800-mile long Alaskan pipeline. :
<link removed>

JJRusty

Beginner

Posts: 20

2

Wednesday, September 10th 2008, 6:59pm

Knowing how the pig can get stuck helps

Guys,

It is better to know how pigs can get stuck. Then avoid these possibilities.
This is better than having stuck pigs. 8|

Barth

Beginner

Posts: 19

3

Saturday, September 20th 2008, 4:42am

Here is some good info on pigs

Hi guys...

Found a pig manufacurer's site which gives more information on pigs : <link removed>
They divide pig tasks into 3 categories :
Utility pigs
In-line inspection pigs
Gel pigs

They have divided utility pipeline pigs into two groups based upon their fundamental purpose:
Cleaning pigs
Sealing pigs

Then there are various types or forms of pigs :
Mandrel pigs
Foam pigs
Solid cast pigs
Spherical pigs

There is more at the site.
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