It's a nightmare scenario no one wants... You run a PIG and it becomes stuck in the line. You now have an unsuccessful pigging campaign, a subsea pipeline blockage, and a missing PIG to deal with.
The cost of a shutdown due to a PIG stuck in a subsea pipeline can run into tens of millions in lost production, which is why it is absolutely critical to remedy the situation as quickly as possible. In this post we will examine the first step to remedying a blocked subsea pipeline due to a stuck PIG; that is locating the stuck PIG.