POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
HOLE_OPENER
SUBTYPE OF
(
wellbore_device
);
cutting_diameter :
OPTIONAL
ndt_length_diameter
;
running_diameter :
OPTIONAL
ndt_length_diameter
;
UNIQUE
si:
facility
.identifier,
wellbore_component_facility
.wellbore,
wellbore_component_facility
.belongs_to_assembly,
facility
.ref_existence_kind;
END_ENTITY
; (* hole_opener *)
Generated on Tue Jul 10 19:38:02 2001
© Copyright 2001 POSC. All rights reserved.