Does anyone have good practice on selection leak detection system for gas pipeline?

[itbug]

Does anyone have good practice on selection leak detection system for gas pipeline?
Thanks a lot.

[josefreitas]

Gas natural is odorless so the leakage are not detected. Normaly is mixided a odor gas in order to detect it.

[selmagis]

Here is something about detecting leaks:

[link Point to another website Only the registered members can access]

[selmagis]

More info about Pipeline Leak Detection:

[link Point to another website Only the registered members can access]

[selmagis]

And here is FUNDAMENTALS OF COMBUSTIBLE GAS DETECTION: A Guide to the Characteristics of Combustible Gases and Applicable Detection Technologies:

[link Point to another website Only the registered members can access]