How much does terrain affect a pipeline route?

It seems that pipelines can be laid practically anywhere. I've seen them laid where it was so steep that it seemed impossible. What limitations do they encounter that would make it impossible for them to use an area?

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Permalink Reply by william Allen. Ladd on July 12, 2015 at 2:34pm

One very steep hill near us has washed away several times and repaired as it drops to the road where it crosses. One time some sort of netting was rolled out covering the bare dirt.. I think it was impregnated with some sort of grass seed that sprouted. however rain and surface water destroyed much of this covering.. Next they put in some barriers that were supposed to divert much of the surface water to the sides of their right of way. this helped somewhat. but there were still areas where the run off water created mudslides and even shallow ditches.  It has been 3 or 4 years that the problem has existed. The soil has not had time enough to settle and tighten up before heavy rain tears it loose again. Now across the road there is another steep hill where there seems to be no problem at all. It looks to be a longer slope but maybe not so steep.

Bill L

Permalink Reply by Zack Jameson on July 12, 2015 at 3:15pm

I know of an area that is so steep that the gully/ravine is actually a "V shape" in steepness. I don't now how they can lay the pipeline there. It seems impossible to get machinery there.

Mike MurphyPermalink Reply by Mike Murphy on July 12, 2015 at 4:17pm

I live in Wetzel county wva and have seen many pipelines layed up and down very steep hills so I don't think terrain is a very big factor in deciding pipe routes  were there is a will there is a way......in some areas there is no other way to go

Permalink Reply by Tim Tarr on July 13, 2015 at 5:33am
They crossed two of those "V" shaped hollows on us. With about 800 feet of pipeline between them, Without any separate access. They didn't want to "pay" for access road.
Permalink Reply by Booger on July 13, 2015 at 2:16am

not many limitations.........although they do not like to go across steep grades, they prefer to go straight up and down on the steep stuff.............and they avoid the wider wetlands, boring under roads and narrow wetlands is common but the wider wetlands are avoided.

Permalink Reply by Philip Thackray on July 13, 2015 at 6:32am

The pipeline people will drill a long way underground to avoid slopes and obstacles.  Here in Forward Township, Butler County, Mountain Gathering (XTOs midstream division) went 3000 horizontal feet underground from “Eckstein Valley” to the plateau where the XTO Rutledge compressor station is located.  This was a 12” wet gas pipeline that went under two roads, Connoquenessing Creek and a steep bank.

Phil

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