Review Article

Stability of the Foundation of Buried Energy Pipeline in Permafrost Region

Table 1

Features of main energy pipelines in permafrost regions.

Pipelines (references)RoutingConstruction (year and season)Pipe diameter (mm)Length (km)Burial depth (m)Comments

Trans-Alaska Pipeline System (TAPS) [25, 26]Valdez-Prudhoe Bay, Alaska, USA1973-1977
Winter
122012870.4~4.0Oil temperature: 38~63°C; oil flow rate: 3.3 m/s; main problem: thaw settlement
Alaska Natural Gas Transportation System [27]Prudhoe Bay, Alaska, USA, to Alberta, Canada1981-1986
Winter
1219 (Alaska)
1420 (Canada)
1198 (Alaska)
3271 (Canada)
Above groundGas temperature: -17°C; main problems: frost heave/thaw settlement
Golmud-Lhasa Oil Pipeline (GLOP) [15, 28]Golmud, Qinghai Province, to Lhasa, Tibet Autonomous Region on the Qinghai-Tibet Plateau, China1972-1977
Winter
15910781.2-1.4Oil temperature: -5~+9°C; oil flow: 5900 barrels/day; main problems: thaw settlement/frost heave
Norman Wells Oil Pipeline (NWOP) [2, 10]Norman Wells, Northwest Territories, to Zama, Alberta, Canada1983-1985
Winter
328/3598691.1~1.2Ambient temperature: -4~12°C; oil temperature: -1~0°C; oil flow: 5000 m3/day; main problems: settlement/uplift/instability of slope
China-Russia Crude Oil Pipeline (CRCOP) [21, 22]Skovorodino, Amur Prefecture, Russia, via Mo’he to Daqing, China2009-2011 (I)
2018 (II)
Winter
8139531.6~2.0Ambient temperature: -41~24°C; main problems: thaw settlement/uplift/instability of slope
ESPO (Eastern Siberia to Pacific Ocean) Oil Pipeline System [29]Taishet in Irkutsk Oblast to Skovorodino in Amur Oblast, Russia, along with a branch from Skovorodino to Daqing, China (933 km) (I); another branch from Skovorodino to Kozmino Bay (II)2006, spring (I)
2009 (II)
1220 (I); 1067 (II)2757 (I); 2100 (II)Mean annual air temperature: -7~-6°C; main problems: thaw settlement/uplift/instability of slope
Nadym-Pur-Taz Gas Production Complex (NPT) [8]Urenoyskoye field in western Siberia to Torzhok, Russia19951020/1220/142022001.5~2.0 (part)Insulated with polymer tape