POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
DOWNHOLE_MOTOR
SUBTYPE OF
(
wellbore_device
);
bend_and_align_makeup_torque :
OPTIONAL
ndt_torque
;
bent_housing_angle :
OPTIONAL
ndt_plane_angle
;
bit_pressure :
OPTIONAL
ndt_pressure
;
high_flow :
OPTIONAL
ndt_flow_rate_volume_basis
;
lobes :
OPTIONAL
ndt_pint1
;
makeup_torque :
OPTIONAL
ndt_torque
;
maximum_differential_pressure :
OPTIONAL
ndt_pressure
;
maximum_power :
OPTIONAL
ndt_power
;
maximum_pump_rate :
OPTIONAL
ndt_flow_rate_volume_basis
;
maximum_torque :
OPTIONAL
ndt_torque
;
max_bit_speed :
OPTIONAL
ndt_rotational_frequency
;
minimum_bit_speed :
OPTIONAL
ndt_rotational_frequency
;
minimum_power :
OPTIONAL
ndt_power
;
minimum_pump_rate :
OPTIONAL
ndt_flow_rate_volume_basis
;
operating_pressure :
OPTIONAL
ndt_pressure
;
operating_torque :
OPTIONAL
ndt_torque
;
stages :
OPTIONAL
ndt_name
;
tool_size :
OPTIONAL
ref_diameter
;
top_angle :
OPTIONAL
ndt_plane_angle
;
weight :
OPTIONAL
ndt_mass
;
UNIQUE
si:
facility
.ref_existence_kind,
wellbore_component_facility
.wellbore,
facility
.identifier,
wellbore_component_facility
.belongs_to_assembly;
END_ENTITY
; (* downhole_motor *)
Generated on Tue Jul 10 19:37:44 2001
© Copyright 2001 POSC. All rights reserved.