Is it necessary to install a downhole safety valve in a subsea ... - NTNU
Is it necessary to install a downhole safety valve in a subsea ... - NTNU
Is it necessary to install a downhole safety valve in a subsea ... - NTNU
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<strong>Is</strong> <strong>it</strong> <strong>necessary</strong> <strong>to</strong> <strong><strong>in</strong>stall</strong> a <strong>downhole</strong> <strong>safety</strong> <strong>valve</strong> <strong>in</strong> a <strong>subsea</strong> oil/gas well?<br />
TbDHSV - Tub<strong>in</strong>g below DHSV<br />
ThPb Tub<strong>in</strong>g hanger seal on annulus bore side<br />
ThT - Tub<strong>in</strong>g hanger seal on production bore side<br />
TIF - Test Independent Failures<br />
TOP - Top cap flange<br />
TRSCSSV - Tub<strong>in</strong>g Retrievable Surface Controlled SubSurface Safety<br />
Valve<br />
US - Un<strong>it</strong>ed States of America<br />
WH - Wellhead<br />
WO - Workover<br />
WRSCSSV - Wirel<strong>in</strong>e Retrievable Surface Controlled SubSurface<br />
Safety Valve<br />
WV - W<strong>in</strong>g <strong>valve</strong><br />
XOL Crossover l<strong>in</strong>e<br />
XOV - Crossover <strong>valve</strong><br />
XOVEXL - Crossover <strong>valve</strong> external leakage<br />
XOVITL - Crossover <strong>valve</strong> <strong>in</strong>ternal leakage<br />
Diploma thesis, <strong>NTNU</strong> 2002 VI
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