Ormen Lange Utbyggingen - NTNU
Ormen Lange Utbyggingen - NTNU
Ormen Lange Utbyggingen - NTNU
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70,00<br />
0,600<br />
60,00<br />
pressure pulse<br />
dies out<br />
0,500<br />
50,00<br />
0,400<br />
delta p [bar]<br />
40,00<br />
30,00<br />
0,300<br />
pp without dep<br />
pp with dep<br />
derivative of dep curve<br />
0,200<br />
20,00<br />
10,00<br />
deposit<br />
0,100<br />
0,00<br />
0,000<br />
0,00 100,00 200,00 300,00 400,00 500,00 600,00<br />
time[s]<br />
Figure 17 Pressure pulse at full production<br />
0,90<br />
0,00200<br />
0,80<br />
0,70<br />
depost it<br />
0,00180<br />
0,00160<br />
0,60<br />
0,00140<br />
0,00120<br />
0,50<br />
pp wit hout dep<br />
0,00100<br />
pp wit h dep<br />
0,40<br />
derivat ive of dep curve<br />
0,00080<br />
0,30<br />
0,00060<br />
0,20<br />
0,00040<br />
0,10<br />
0,00020<br />
0,00<br />
0,00000<br />
0,00 50,00 100,00 150,00 200,00 250,00 300,00 350,00 400,00 450,00 500,00<br />
time [s]<br />
Figure 18 Pressure pulse with reduced flow<br />
Deposits Detection Using Pressure Pulse Technology<br />
<strong>Ormen</strong> <strong>Lange</strong> Pipelines Case Study Using Process Simulation Tools<br />
35
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