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Gold/Mining/Energy : Strictly: Drilling and oil-field services -- Ignore unavailable to you. Want to Upgrade?

To: Think4Yourself who wrote (81585)	12/13/2000 4:26:32 PM
From: johnlw	Read Replies (1) \| Respond to of 95453

My experience is in control, so I have seen it right in the body of the valve. Methanol is injected into the pipe/valve through a nozzle upstream of the blockage. You need something capable of putting out a higher pressure than the line pressure. This can be a hand operated pump or a truck equipped with a methanol tank and high pressure pump. Pump the fluid in, pressure it up, let it sit, hope the ice plug gives. This can be a cold nasty mother of a job.