MOP=80bar/54bar networks

16:35 Oct 21, 2017
English to Polish translations [PRO]
Tech/Engineering - Petroleum Eng/Sci
English term or phrase: MOP=80bar/54bar networks
The Contracting Entity wishes to establish the following features in order to carry out the international project: pressure protection unit between MOP=80bar/54bar networks including data communications and all other requisite elements.
Katarzyna Skoczyńska
Local time: 03:24

Summary of answers provided
3między sieciami z maksymalnymi ciśnieniami roboczymi (MOP) 80 i 54 bar
Frank Szmulowicz, Ph. D.



17 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
mop=80bar/54bar networks
między sieciami z maksymalnymi ciśnieniami roboczymi (MOP) 80 i 54 bar

There are two networks with mismatched MOPs: one with the MOP of 80 bars and the other with the MOP of 54 bars, hence the need for pressure control.

This tool clarifies the requirements of Canadian Standards Association (CSA) Z662-03: Oill and Gas Pipeline Systems, Clause 4.14.1, which states that if a pipeline may be subjected to pressures greater than its maximum operating pressure (MOP) from any source, there must be both pressure control and overpressure protection for the line. The intent is that if the pressure control were to fail, overpressure protection equipment would prevent the lower MOP pipeline pressure from being exceeded by more than 10 per cent or 35 kilopascals (kPa), whichever is greater. The design must be based on maximum licensed operating pressure, regardless of normal operating pressure. Pressure control can be set to no higher than the maximum of the lower MOP. Overpressure protection can be set to a maximum of 10 per cent or 35 kPa (whichever is greater) above the lower MOP. Overpressure protection may consist of pressure-limiting or pressure-relieving systems or both, as long as they continuously and automatically protect the pipeline from being pressured above the predetermined value.
If pipelines have mismatched MOPs, the Pipeline Regulation (Section 22[2]) allows for a mismatch of up to 5 per cent of the lower MOP without requiring pressure control and overpressure protection.

Frank Szmulowicz, Ph. D.
United States
Local time: 21:24
Native speaker of: Native in EnglishEnglish, Native in PolishPolish
PRO pts in category: 70
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