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Questions regarding the SIS classification level for oil and gas pipelines

2015-12-08View Original

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Recently, in the company’s new oil and gas pipeline projects, it was found that the design institutes had designed the oil transfer stations at the SIL2 level. I was wondering if there are any standards or regulations governing this aspect. I’ve checked some information, and it doesn’t state that oil and gas pipelines must be designed at the SIL2 level.
Reply #22015-12-08
SY/T 6966-2013 Code for Design of Safety Instrumented Systems in Oil and Gas Pipeline Projects; refer to this standard
Reply #32016-01-14
There are no strict regulations; determining the SIL level is also a process of evaluation. It is necessary to compare the risks that the enterprise is willing to accept with the potential residual risks in order to determine what SIL level should be applied

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