Table 1. Brief characteristics of AEMS intersystem interfaces

Subsystem	Data input	Data access
ADCS - Automatic Dispatch Control System	Automatic acquisition of data from ICSS systems. Integration with Production Accounting System	System application interface. Web-interface of upline layers
LIMS - Laboratory Information Management System	Manual input via program interface by lab technician. Automatic input from lab equipment. Automatic acquisition of data from ICSS systems	System application interface
PAS - Production accounting system	Manual input. Web-interface of upline layers. Integration with LIMS. Integration with existing AEMS subsystems of Lukoil Uzbekistan Operating Company objects	System application interface
EAM - Enterprise Asset Management system	Manual input. Integration with ADCS. Integration with Production Accounting System. Integration with EMR module. Integration with Documentation Control system	System application interface
EDMS - Electronic Document Management System (level 5 of enterprise informational model)	Manual input. Data exchange with Enterprise Asset Management system	Web-interface of upline layers