What kind of shape are our big gas lines in?

That PGE line was about 60 some years old when it failed in California a few days ago. At least 4 people killed and others are missing. 100 homes destroyed according to the TV news report.

 

A few years ago there was a gas line rupture in Potter county. There was about a 2o foot section ripped out of the ground.  And sometime in the 1950's a gas well exploded when a worker was checking for some moisture freezing. It was said that all they found of that worker was his shoe. That took place up Northfork road, I think near the dam.

 

Are these pipeline companies over pressurizing their equipment?

 

Bill L.

aka Bummy

Views: 135

Replies to This Discussion

Permalink Reply by Brian V. on September 13, 2010 at 2:19am
It's hard to say what condition the transmission lines in Tioga are in. I went to a gas meeting once and a pipeline company was there explaining how they clean the lines and maintain them on a regular basis. I haven't been following the explosion in CA so I can't comment on that.

I did meet a guy who lives in Tioga county last summer that works for Talisman. They hired him because he was local and could get to their producing wells quickly if needed. He told me his job basically was to monitor the production pressure and make adjustments to the flow rate as needed. He also monitored the separation tanks on well sites and had to do things at the compressor stations. He said that he is basically always on call. If the censors on the well triggered a problem he had to be there within an hour.

Most of what he was telling me was way out of my league, however, he said he had no experience when hired, but went through quite an extensive training program. He loved his job too. He said with all the drilling he felt like he had some pretty good job security. I thought it was great that a local found something like this and i hope more do.
Permalink Reply by Lynn Wigglesworth on September 13, 2010 at 2:54am
I read that the line that exploded was a very large diameter line...30" or so? I don't know why something that large was running through a residential neighborhood. I'd hope that around here lines that large are not near houses.
Permalink Reply by Ann Ticopa on September 13, 2010 at 3:32am
From what I've heard/read, most of the houses weren't there when the pipleline was built.
Permalink Reply by hunter777 on September 13, 2010 at 5:38am
The Tennessee Gas Pipeline Is a 24" line, and runs through farmland in Susquehanna, Bradford and Tioga Counties. They are planning a 30" addition parallel to the existing, which you can see here:

http://www.elpaso.com/tgp300lineproject/docs/RR1/RR1_Overview_Map.pdf
Permalink Reply by paleface on September 13, 2010 at 10:58am
I'm suprised those gas lines in Sanfrancisco area haven't ruptured sooner with the earth quakes they have had since 1959?

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