@prefix foaf:	<http://xmlns.com/foaf/0.1/> .
@prefix wikipedia-en:	<http://en.wikipedia.org/wiki/> .
@prefix dbr:	<http://dbpedia.org/resource/> .
wikipedia-en:Casing_head	foaf:primaryTopic	dbr:Casing_head .
@prefix dbo:	<http://dbpedia.org/ontology/> .
dbr:List_of_components_of_oil_drilling_rigs	dbo:wikiPageWikiLink	dbr:Casing_head .
@prefix owl:	<http://www.w3.org/2002/07/owl#> .
dbr:Casing_head	owl:sameAs	<http://rdf.freebase.com/ns/m.047r0rd> .
@prefix wikidata:	<http://www.wikidata.org/entity/> .
dbr:Casing_head	owl:sameAs	wikidata:Q5048828 ,
		dbr:Casing_head ,
		<https://global.dbpedia.org/id/4gBhw> .
@prefix rdfs:	<http://www.w3.org/2000/01/rdf-schema#> .
dbr:Casing_head	rdfs:label	"Casing head"@en .
@prefix dct:	<http://purl.org/dc/terms/> .
@prefix dbc:	<http://dbpedia.org/resource/Category:> .
dbr:Casing_head	dct:subject	dbc:Drilling_technology ,
		dbc:Petroleum_engineering ,
		dbc:Oilfield_terminology .
@prefix prov:	<http://www.w3.org/ns/prov#> .
dbr:Casing_head	prov:wasDerivedFrom	<http://en.wikipedia.org/wiki/Casing_head?oldid=1228318145&ns=0> ;
	dbo:wikiPageWikiLink	<http://dbpedia.org/resource/Blowout_(well_drilling)> ,
		<http://dbpedia.org/resource/Casing_(borehole)> ,
		dbc:Oilfield_terminology ,
		dbr:Flange ,
		dbc:Drilling_technology ,
		dbr:Blowout_preventer ,
		<http://dbpedia.org/resource/Drilling_rig_(petroleum)> ,
		dbc:Petroleum_engineering ,
		<http://dbpedia.org/resource/Christmas_tree_(oil_well)> ,
		dbr:Conductor_pipe ,
		dbr:Wellhead .
@prefix dbp:	<http://dbpedia.org/property/> .
@prefix dbt:	<http://dbpedia.org/resource/Template:> .
dbr:Casing_head	dbp:wikiPageUsesTemplate	dbt:Petroleum-stub ,
		dbt:Dicdef ,
		dbt:Reflist .
@prefix gold:	<http://purl.org/linguistics/gold/> .
dbr:Casing_head	gold:hypernym	dbr:Flange ;
	foaf:isPrimaryTopicOf	wikipedia-en:Casing_head .
dbr:Flange	dbo:wikiPageWikiLink	dbr:Casing_head .
dbr:Wellhead	dbo:wikiPageWikiLink	dbr:Casing_head .
dbr:Squeeze_job	dbo:wikiPageWikiLink	dbr:Casing_head .