hot tap on gas pipeline
hot tap on gas pipeline
(OP)
Is anybody aware of available statistics relevant to hot tap activities on gas pipelines (e.g. how any done in the last years, how many failures, etc...)?
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RE: hot tap on gas pipeline
RE: hot tap on gas pipeline
David Simpson, PE
MuleShoe Engineering
In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual. Galileo Galilei, Italian Physicist
RE: hot tap on gas pipeline
RE: hot tap on gas pipeline
Failures of properly executed hot taps are very rare.
Illegal ones are another story.
Remember - More details = better answers
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RE: hot tap on gas pipeline
Hot taps are recognised ways of connecting to pipes in service. What's wrong with that?
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: hot tap on gas pipeline
I can't believe you really want an answer to that. Hot taps are just another "it is not zero risk so we'll ban it" topic like screwed pipe and pneumatic testing. All the piping codes allow NPT threaded connections but the same companies George is talking about ban them. There is no requirement to do HazOp analysis on low consequence projects but those companies spend millions of dollars doing them. etc.
I worked for one of those companies and was able to run my own show and thumb my nose at the silliness (for a lot of reasons, not the least of which was my operation made tons of money and was the most profitable operation in the company worldwide) and produced natural gas for a direct cost of $0.04/MSCF in a $10/MSCF sales market. My replacement bowed to the corporate will and when she was laid off those same wells had a direct cost of $5.20/MSCF (in a $2.80/MSCF market). Sad thing was that her lay-off had nothing to do with the field's profitability. Stupid is not without costs.
David Simpson, PE
MuleShoe Engineering
In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual. Galileo Galilei, Italian Physicist
RE: hot tap on gas pipeline
https://www.epa.gov/sites/production/files/2016-06...
http://www.wermac.org/specials/hottap.html
RE: hot tap on gas pipeline
RE: hot tap on gas pipeline
RE: hot tap on gas pipeline
RE: hot tap on gas pipeline
http://www.waringengineering.co.uk/
Remember - More details = better answers
Also: If you get a response it's polite to respond to it.
RE: hot tap on gas pipeline
RE: hot tap on gas pipeline
Those are fascinating reports, thanks for sharing. They have a category called "Hot Tap made by error" and it means that someone hot-tapped the wrong damn line. In the 2015 report that category is 6% of the total. Failed hot taps in the correct line do not have a category. I suppose that people really are just too stupid to be allowed to use the hot-tap process. But without it, to do a tie in you would have to cut in a tee, wouldn't the error then be far worse (making a full diameter cut in a line you thought was blown down but wasn't)?
David Simpson, PE
MuleShoe Engineering
In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual. Galileo Galilei, Italian Physicist
RE: hot tap on gas pipeline
3.3.3.4
Relation between hot tap made by error , size of leak and design parameter
The term “hot tap made by error” means that a connection has been made by error to the gas transmission pipeline, assuming it was another pipeline.
I think the "hot taps made by error" should be included in the "External interference", just in a separate sub-category.