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SM INDUCTION-HEATING
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Join Date: Apr 2014
Posts: 7

Petroleum Casing Pipe Heat Treatment

04/16/2014 9:15 PM

When trying to do the stress reliveing test, The joints cracked. what's the reason?

The pipes info:

Outside Diameter Inside DiameterWall thicknessSteel grade
InmmInmmmm
4-1/2114.303.92099.577.37J55
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lyn
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#1

Re: petroleum casing pipe HEAT TREATMENT

04/16/2014 9:25 PM

Poor steel, poor process, poor equipment, inexperienced operator?

No details, no help.
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IdeaSmith
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#2
In reply to #1

Re: petroleum casing pipe HEAT TREATMENT

04/16/2014 9:44 PM

That pretty much sums it up!

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SM INDUCTION-HEATING
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Posts: 7
#3
In reply to #1

Re: petroleum casing pipe HEAT TREATMENT

04/16/2014 9:58 PM

steel is good. The problem is not the material.

The joints is good.

Middle frequcy induction heating Equipment.

Operator has no experience.

Process will follow the regulations.

So the problem is the operator?
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lyn
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#4
In reply to #3

Re: petroleum casing pipe HEAT TREATMENT

04/16/2014 10:04 PM

What we have here, is failure to communicate.

"The joints cracked."

"The joints is good."

Not sure we can help you.

I hear my mother calling.
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truth is not a compromise
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#9
In reply to #4

Re: petroleum casing pipe HEAT TREATMENT

04/16/2014 11:19 PM

Theme music for this post......

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IdeaSmith
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#6
In reply to #3

Re: petroleum casing pipe HEAT TREATMENT

04/16/2014 10:48 PM

Try to put the blame on the operator and see what you get!

Chances are if the operator is more experienced than you he will tell you his side of the story. Question is if you have the knowledge to distuinguish what is right or wrong.

Your only chance is to know. Learn what you can, read and digest. If you want help start posting quality questions.

So far we have no idea what went on.

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#7
In reply to #3

Re: petroleum casing pipe HEAT TREATMENT

04/16/2014 10:53 PM

Ahhh! It becomes obvious when enough relevant information is provided.

.

The problem is.... an error has been made in selecting the forum to ask your question. Here in CR4, as Lyn points out 'good' and 'crack' are mutually exclusive when it comes to joints. So the problem, as presented is so deficient that it can't even be wrong yet.

.

The good news is there are other forums that probably have ready answers. My guess is erowid.org will probably have lots of information about a 'good crack joint'.

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#11
In reply to #7

Re: petroleum casing pipe HEAT TREATMENT

04/17/2014 12:20 AM

I'm curious if everyone sees the ads displayed in my post above, or if this novel occurrence is just or me.....

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reward54
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#13
In reply to #7

Re: petroleum casing pipe HEAT TREATMENT

04/18/2014 10:25 AM

Because of this post contains the words "crack" and "joints" in close proximity to each other, this post has been flagged by the NSA and forwarded to the DEA.
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#15
In reply to #13

Re: petroleum casing pipe HEAT TREATMENT

04/19/2014 2:33 AM

OMG! Oh no! The horrors of the TLAs.

What can I do to insure things return to A-OK?

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reward54
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#16
In reply to #15

Re: petroleum casing pipe HEAT TREATMENT

04/21/2014 12:33 PM

You $eem to be $mart per$on. $urely you under$tand the next $tep$. I don't need to $pell it out.

You will know if you haven't tried hard enough. You will be visited by our friend. We won't tell you his name, but his initials are I. R. S.
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Anonymous Poster #1
#5

Re: petroleum casing pipe HEAT TREATMENT

04/16/2014 10:40 PM

You need to relieve the stress, not relive it.
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IdeaSmith
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#8
In reply to #5

Re: petroleum casing pipe HEAT TREATMENT

04/16/2014 11:08 PM

See post 7# and Erowid.org!

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SM INDUCTION-HEATING
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#10

Re: petroleum casing pipe HEAT TREATMENT

04/16/2014 11:27 PM

U Guys are really professional and I will collect the information and post it up.

Thank you for all your answers
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PWSlack
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#12

Re: petroleum casing pipe HEAT TREATMENT

04/17/2014 7:35 AM

The whole point of doing a test is to find out under controlled conditions if the materials and the procedure are any good when the thing is put into service for real. The cracks indicate a failed test. So reject the materials as tested and repeat the installation until the materials achieve a pass. If the test continues to show a fail, then something is fundamentally wrong with either the materials, or the procedure, or perhaps both. And rather than look around to apportion blame, which is one of the least useful concepts in Engineering, find the source of the problem and correct it instead - concentrate on the technicalities and never the personalities. Here's a thought:

  • If there was no risk of failure, or if the consequences of failure were negligible, there would be no need for a test.

Simples.

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reward54
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#14
In reply to #12

Re: petroleum casing pipe HEAT TREATMENT

04/18/2014 10:34 AM

"rather than look around to apportion blame, which is one of the least useful concepts in Engineering, find the source of the problem and correct it instead - concentrate on the technicalities and never the personalities"

I would like to second that statement. In 30+ years of experience, I have yet to find "the operator" as the cause of a problem. Who designed the job? How was the operator trained? Why was this operator chosen to perform this job?

If the operator is not properly trained, not given the correct tools, not provided with proper work instructions, and had no input into the design of the job's tasks, the operator is not to blame. Ask the management why they did not provide the operator with what was required to successfully complete the task at hand.
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Users who posted comments:

Anonymous Poster (1); IdeaSmith (3); lyn (2); PWSlack (1); reward54 (3); SM INDUCTION-HEATING (2); truth is not a compromise (4)

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