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TRANSIENT MODULE APPLICATION SUBSEA PIPELINE SYSTEM вЂ“ ARABIAN GULFZADCO, ABU DHABI VALVE CLOSURE TIME вЂ“ 600 SEC LINEAR TRANSIENT MODULE APPLICATION SUBSEA PIPELINE SYSTEM вЂ“ ARABIAN GULFZADCO, ABU DHABI

Determine The Volume Of Oil Leakage With And Without Leak Detection System.

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Determine The Valve Closure Time For Maximum Pressure Of Closed Head Pressure Of Pump Plus 5 Barg.TRANSIENT MODULE APPLICATION SUBSEA PIPELINE SYSTEM вЂ“ ARABIAN GULFZADCO, ABU DHABI OBJECTIVES Feasibility Analysis Of Leak Detection System.Water Cut In Oil Is High вЂ“ Less Compressible вЂ“ High Pressure Surge.Pipeline Is 25 Years Old And Is Corroded.35 Km Pipeline Transporting Oil From Platform To Tank Farm.TRANSIENT MODULE APPLICATION SUBSEA PIPELINE SYSTEM вЂ“ ARABIAN GULFZADCO, ABU DHABI KEY POINTS

GRP is generally thought to be bad for pressure surge but in this case it was good.

In this system, the large capacity of the bridge connection between the platforms combined with the elasticity of GRP material was instrumental in reducing the pressure surge.

Vacuum breakers are used to eliminate them.

Elevation Changes in Offshore Platforms often cause large pressure surges due to cavity formation.

TRANSIENT MODULE APPLICATION OFFSHORE FIREWATER SYSTEMNOWROOZ OFFSHORE PLATFORM COMPLEX, IRAN POINTS OF SPECIAL INTEREST

Calculate hydraulic transient forces for pipe stress analysis, and positioning pipe supports.

Check the need for vacuum breakers, their position and sizes.

To calculate the maximum pressure surges and check if they are within the limit вЂ“ deluge valve closure, deluge valve opening and pump trip.

TRANSIENT MODULE APPLICATION OFFSHORE FIREWATER SYSTEMNOWROOZ OFFSHORE PLATFORM COMPLEX, IRAN OBJECTIVES

Bridge Connection Between The Platforms.

Pressure Controlled Deluge Valves Were Used.

The Firewater Ringmain Is Made Of GRP Pipes.

Two Sister Platform Complexes вЂ“ Soroosh (3 Platforms) And Nowrooz (2 Platforms).

TRANSIENT MODULE APPLICATION OFFSHORE FIREWATER SYSTEMNOWROOZ OFFSHORE PLATFORM COMPLEX, IRAN KEY POINTS TRANSIENT MODULE APPLICATION OFFSHORE FIREWATER SYSTEMNOWROOZ OFFSHORE PLATFORM COMPLEX, IRAN

240 Sec Valve Closure Time Is Necessary.

TRANSIENT MODULE APPLICATIONSURGE ANALYSIS OF A LARGE COOLING WATER SYSTEMNANHAI PETROCHEMICAL PLANT, CHINA CONCLUSIONS

Pressure Range with 60 Sec Valve Closure.

Pressure Range with 240 Sec Valve Closure.

Downstream pressure with 40 sec closure.

Downstream pressure with 240 sec closure.

TRANSIENT MODULE APPLICATIONSURGE ANALYSIS OF A LARGE COOLING WATER SYSTEMNANHAI PETROCHEMICAL PLANT, CHINA

Keep Pressure Surge to Less Than 8 Barg.

Reduce Oscillations To Less Than 1 Bar.

TRANSIENT MODULE APPLICATIONSURGE ANALYSIS OF A LARGE COOLING WATER SYSTEMNANHAI PETROCHEMICAL PLANT, CHINA OBJECTIVES

Slow Valve Closure Necessary вЂ“ 240 Sec.

One of the Biggest Petrochemical Plants.

TRANSIENT MODULE APPLICATIONSURGE ANALYSIS OF A LARGE COOLING WATER SYSTEMNANHAI PETROCHEMICAL PLANT, CHINA KEY POINTS

Generating Loads for Pipe Stress Analysis.

SUNRISE SYSTEMSPIPENET VISION DETAILED DEMONSTRATION AND DISCUSSION OF APPLICATIONS

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