Assertion: wellhead | /r/HasProperty | installed in the process
Facets:
value: early on
type: TEMPORAL
Source sentences:
text: The wellhead is installed early on in the process so that it can serve as a point of attachment for a blowout preventer, a piece of equipment which prevents catastrophic failure of a well, and once a well is completed, equipment for regulating well operations can be attached at the wellhead.