WELLHEAD
http://data.posccaesar.org/rdl/RDS13609850
<http://rds.posccaesar.org/2008/02/OWL/ISO-15926-2_2003#ClassOfInanimatePhysicalObject>
2003.03.18
u83130
The top of the casing of a production oil well including the attached control and flow valves.
RDS13609850
WELLHEAD
WELLHEAD
Recorded
Derived from Chambers Science And Technology Dictionary