POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
DOWNHOLE_SENSOR
SUPERTYPE OF
(
ONEOF
(
downhole_pressure_sensor
,
downhole_rate_sensor
,
downhole_temperature_sensor
,
drill_measurement_tool
))
SUBTYPE OF
(
wellbore_device
);
maximum_working_pressure :
OPTIONAL
ndt_pressure
;
END_ENTITY
; (* downhole_sensor *)
Generated on Tue Jul 10 19:37:44 2001
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