Standard API TR 1149-ed.2 1.9.2015 preview

API TR 1149-ed.2

Pipeline Variable Uncertainties and Their Effects on Leak Detectability

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STANDARD published on 1.9.2015


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The information about the standard:

Designation standards: API TR 1149-ed.2
Publication date standards: 1.9.2015
SKU: NS-1140673
The number of pages: 174
Approximate weight : 553 g (1.22 lbs)
Country: American technical standard
Category: Technical standards API

Annotation of standard text API TR 1149-ed.2 :

API TR 1149, 2nd Edition, September 2015 - Pipeline Variable Uncertainties and Their Effects on Leak Detectability

This document describes procedures for predicting uncertainties in the detection of leaks in pipelines using computational methods based upon physical hydraulic state measurements. This class of pipeline leak detection methods is commonly called computational pipeline monitoring (CPM).

Generally, CPM methods take physical measurements from a pipeline as an input, and calculate a metric that is used to assess whether a leak is likely to have occurred. The uncertainty in the CPM method is a fundamentally statistical measure of how likely an alarm is to be valid; equivalently, how often an alarm may be due to routine operational conditions or lie within the realm of known input uncertainty.

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