Assertion: oil well's depth | /r/HasProperty | as much as 1 km
Facets:
Source sentences:
text: Where hydrates are likely to form (most production is at risk of this), the depth of the SCSSV (surface-controlled, sub-surface safety valve) below the seabed may be as much as 1 km: this will allow for the geothermal temperature to be high enough to prevent hydrates from blocking the valve.