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Up close at Mayflower oil pipeline rupture site

Posted: April 11, 2013 - 3:11pm
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Photos courtesy of Duncan Firm
Photos courtesy of Duncan Firm

Photos provided by Duncan Firm, the lawfirm handling the class action suit against ExxonMobil, show the rupture in the Pegasus crude oil pipeline in Mayflower. 

Phillip Duncan of Duncan Firm said Thursday about 10 more Mayflower residents have joined the suit, which claims property values are diminished because of defective conditions of the pipeline, installed in the area in the 1940s.

Photos were taken as the firm investigated the site, Duncan said. 

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Marvin Lessmann
209
Points
Marvin Lessmann 04/11/13 - 10:41 pm
7
0
Pipe

It will be interesting to get the report back and read about the pipe. Some pipe is manufactured by rolling metal and welding it. On the surface it looks like it broke in a seam. They will be able to tell a lot by looking at it closer and testing. We will just have to wait and see what they are able to find after the investigation.

Diogenes
10705
Points
Diogenes 04/12/13 - 07:03 am
4
0
It apprears to be an open seam on steel pipe

Steel pipe like this one is rolled is normally rolled one of two ways. CBW - continous but weld - where the mult (slit) leaves the floop and is ran through a furnace twice, before the mills rollers draw it in and form it while the steel is white hot. This is the strongest pipe. The other (most likely) method of production is ERW - electrical restance welding. That's were the mult is drawn and rolled from the floop cold. It's welded by an impeder running a couple of feet inside the pipe. ERW pipe can be sold as is, or made stronger by annealing the finished product by running it through a furnace.

Once they remove the pipe, they will determine it's MTRs (material test results). This will be the steels chemical make up - iron, carbon, as well as, the amount of weaking pollutants, such as its copper content. Then they will look at a cross section of pipe at it weld under an electron microscope. This will tell them if the pipe was welded correctly, and whether the pipe's weld was first stressed from the outside, before being stressed and ruptured by inside pressure.

69APorcupine
8
Points
69APorcupine 04/12/13 - 02:12 am
5
5
People are always looking for

People are always looking for a free handout! ExxonMobil has stressed that they are fully ready and willing to do everything they can to make this right. They've brought in their own teams of experts and are even taking claims. These 10 people are the same type of fools that will complain when Exxon's gas prices rise from this lawsuit.

Accident's happen. There are teams out there working around the clock. Give them a chance to get this cleaned up first! How can you say you have diminished value before cleanup is even completed?

Little Rock Daniel
347
Points
Little Rock Daniel 04/12/13 - 08:52 am
4
1
Accidents don't Happen..On Purposes happen

On purposes happen like running a 65 year old, decrepit pipeline in the first place. On purposes like reversing the direction and doubling the capacity in 2006 happen. On purposes like building a subdivision ATOP said pipeline happen. On purposes like notifying NOBODY of that decision (except, maybe?? the homeowners whose land is above the line and nobody else) happen. On purposes like running "just crude" as (R-AR)Cong. Tim Griffin tried to sell us, when we have known from the BEGINNING it was imported Canadian toxic sewage,(aka tarsands oil, aka heavy crude, aka Wabasca crude) happens. On purposes like cutting a $15,000 check to the Mayflower PTO happens. On purposes like said PTO advising the 30 or so parents in attendance at said meeting to not talk to the media happens. On purposes like private companies enforcing FAA-issued TFR's or "no fly zones" happen (until discovered, and reversed). Have I missed any of the accidental choices you're claiming led to this? I DO want to make sure that ExxonMobil gets FULL CREDIT for EVERYTHING on this one, so please inform me what, above, was an "accident" as you so dismissively write..

Little Rock Daniel
347
Points
Little Rock Daniel 04/12/13 - 08:56 am
4
0
Forgot one "On Purpose"

The decision to have their high speed sewage transport system UNDER MY WATER SUPPLY, along with that of 400,000 people, is most CERTAINLY an "on purpose"...whoopsie, almost FORGOT to give XOM credit for THAT one...

TCJones
185
Points
TCJones 04/12/13 - 08:00 am
5
0
I Find This Curious...

I find it odd that the seam which failed is located directly on the top-most part of the pipe and how long it is.

One question? Has anyone ever bent a straw when they go to Sonic? And it splits just like this on one side?

This is indicative of "bending" between two areas of the pipeline in proximity of the break. This looks as if this pipe was stressed to the point of failure by age and external stress such as the ground movement up or down...

Just my .02 Cents...perhaps someone needs to check to see if the ground has moved up and down before and after that fracture. Just my best guess here since it's only 24" in the ground it might be more-prone to seismic forces or pressure?

To further illustrate what Diogenes said, would it not seem logical to have pressure-release valves located every so often on a pressurized pipe as this one? Seeing that they are prone to pressure, age, and unforeseen seismic pressures which MAKE them FAIL?

I think they really need to delve more deeply into these potential problems and start viewing them in 3-D instead of on a spreadsheet. Proactive Response BEFORE a situation is the best-way to handle these things...

It's painfully obvious that this particular pipeline wasn't designed to carry pressurized tar-sand oil with diluting agents and who knows what else as gasses, or other elements which could compromise the safety of the pipe?

I'd suggest to Exxon-Mobil they need to really check-out their pipelines for this and similar conditions...goodness this could be another BP disaster in the Gulf waiting to happen...

Check-it out folks...

rathjen
667
Points
rathjen 04/12/13 - 07:51 am
2
0
porcupine

I am going to disagree with your last sentence by saying let me dump some oil in your yard, clean it up and watch you say we are good.

If you can, you are a better man than I.

BigDaddyD
682
Points
BigDaddyD 04/12/13 - 07:55 am
4
0
interesting...

Someone could argue that someone ran a piece of earth moving equipment over the pipe causing weakness and stress.

TCJones
185
Points
TCJones 04/12/13 - 08:13 am
3
0
Was Thinking Seismic...

But that would also have something to do with it if that were to happen BigDaddy D.

Being that pipe is only 24-inches deep, it could do it...and it's just about wide-enough just for that particular piece of equipment also...

Got any leads on that? Who or whom could have done that? And When?

5 W's and 1 H goto work...lol. I wonder who has applied or gotten a building permit in that area in the last couple of years? Any ideas...

Man oh man, this sucks...it's a given that if this is true, there's going to be some very-angry folks and some empty pocket-books...

Diogenes
10705
Points
Diogenes 04/12/13 - 08:31 am
3
0
Look at it from google earth

The pipeline is the front yard of the two houses on shadetree circle. The contractor built the two houses on the other side of the pipeline. Just note how much longer the driveways had to be in order to reach the two homes. Did he clear the construction site by hand, or with a dozer? If so, he came across the pipeline to do so.

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