minor comment delete in eq, create new drilling collector schema

+# baseURI: http://www.reportinghub.no/ep/schema/1.0/drilling
+# imports: http://www.reportinghub.no/ep/schema/1.0/activity
+# imports: http://www.reportinghub.no/ep/schema/1.0/core
+# imports: http://www.reportinghub.no/ep/schema/1.0/facility
+# imports: http://www.reportinghub.no/ep/schema/1.0/material
+# imports: http://www.reportinghub.no/ep/schema/1.0/organization
+# imports: http://www.reportinghub.no/ep/schema/1.0/report
+# imports: http://www.reportinghub.no/ep/schema/1.0/well
+# imports: http://www.reportinghub.no/np/schema/1.0/npd
+
+@prefix :        <http://www.reportinghub.no/ep/schema/1.0/drilling#> .
+@prefix owl:     <http://www.w3.org/2002/07/owl#> .
+@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
+@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
+
+<http://www.reportinghub.no/ep/schema/1.0/drilling>
+      rdf:type owl:Ontology ;
+      owl:imports <http://www.reportinghub.no/ep/schema/1.0/activity> , <http://www.reportinghub.no/ep/schema/1.0/core> , <http://www.reportinghub.no/ep/schema/1.0/facility> , <http://www.reportinghub.no/ep/schema/1.0/material> , <http://www.reportinghub.no/ep/schema/1.0/organization> , <http://www.reportinghub.no/ep/schema/1.0/report> , <http://www.reportinghub.no/ep/schema/1.0/well> , <http://www.reportinghub.no/np/schema/1.0/npd> ;
+      owl:versionInfo "Created with TopBraid Composer"^^xsd:string .

@@ -16,9 +16,6 @@
       owl:imports <http://www.reportinghub.no/ep/schema/1.0/core> , <http://www.reportinghub.no/ep/schema/1.0/organization> , <http://www.reportinghub.no/ep/schema/1.0/well> ;
       owl:versionInfo "0.1.0"^^xsd:string .
 
-ep-core:PhysicalThing
-      rdfs:comment "Equivalent to ISO 15926-2 Possible Individual - DL"^^xsd:string .
-
 ep-eqt:BlowOutPreventer
       rdf:type owl:Class ;
       rdfs:comment "equipment that is a blow out preventer"^^xsd:string ;