Presentation is loading. Please wait.

Presentation is loading. Please wait.

Indian Oil Pipelines Indian Oil has a network of over KM cross- country pipelines throughout the country. Instrumentation Control Systems, SCADA.

Similar presentations


Presentation on theme: "Indian Oil Pipelines Indian Oil has a network of over KM cross- country pipelines throughout the country. Instrumentation Control Systems, SCADA."— Presentation transcript:

1 Telecommunication, Instrumentation & SCADA Systems in Indian Oil Pipelines

2 Indian Oil Pipelines Indian Oil has a network of over KM cross- country pipelines throughout the country. Instrumentation Control Systems, SCADA Systems & Telecommunication Systems have a vital role to play in the safe and efficient operations of its cross country pipelines for in time and on-spec delivery of crude oil and petroleum products.

3 Indian Oil Pipelines Latest State of the art Instrumentation
Reliable SCADA Systems Cross-country Pipelines Failsafe Control Systems Dependable Communication Systems Safe, Efficient & Eco-friendly Pipeline Operations Safety of Personnel Safety of Equipment

4 Indian Oil Pipelines More Efficient More Reliable Less Interrupted
With this, our Pipeline Operations are:- Safer With accurate Measurements Indian Oil Pipelines

5 Indian Oil Pipelines

6 Indian Oil Pipelines

7 Telecommunication, Instrumentation & SCADA Systems
PAS SCADA-MCS SCADA-SCC PLC BASED CONTROL SYSTEM FIELD INSTRUMENTATION

8 Telecommunication Systems

9 Telecommunication Systems
For smooth operation of the pipeline, a dedicated communication system with 99.9% (typ.) availability is installed for providing : An Instantaneous Reliable & Continuous exchange of voice & data between pumping/ terminal stations as well as with RCP locations.

10 Telecommunication Systems
Modes of communication in pipelines H.F. Communication system V.H.F. Communication system Public leased circuits on hire Line of Sight Communication system Optical fiber Communication system Satellite Communication system

11 Telecommunication Systems
HF Communication System A back-up communication system Very high range up to 1500 km Low cost Only simplex or half duplex possible Requirement of separate frequency for day & night Now phased out in pipelines

12 Telecommunication Systems
VHF Communication System Used for communication in a pipeline station / tank farm Base stations and hand held trans-receivers available Suitable for short range - typically 2 km to 25 km Low cost Cannot be used for inter station communication in pipelines

13 Telecommunication Systems
Line of Sight Communication Duplex communication Supports voice, data, fax, computer networking and SCADA systems Comparable cost with other modes Obtaining clearances / licenses is time consuming Very high towers up to 100 M Maintenance of tower requires specially skilled manpower

14 Telecommunication Systems
Optical Fiber Communication Works by sending signals down hair thin strands of glass fiber. Has incredibly high transmission capacity i.e. bandwidth. Immune to Noise. Freedom from Cross talk.

15 Telecommunication Systems
Communication Systems in pipelines- Dual redundant hot standby SDH based systems (up to STM-16, 2.5Gbps backbone links). Equipped with Network Management System (NMS) at a central location for monitoring, control & configuration of communication equipment installed at different locations. Optical Fibre Cable Network (12/ 24 Fibre un-armoured cable, ITU-T G.652D, G.655 single mode fibre). Short haul (40-45 km) & long haul ( km) hops.

16 Typical Optical Fibre Cable Specifications
Overall Cable diameter : 13 – 14 mm Wavelengths used: 1310 nm/ 1550 nm nm : 0.36 dB/km nm : 0.23 dB/km

17 Telecommunication Systems

18 Telecommunication Equipment
SDH D/I MUX E P A B X Conference Set Subscriber Lines FCBC 48V Battery Bank PC Printer

19 RCP Location- Power Set-up
D B CHARGER SWITCH EQPT LOAD DISTRIBUTION BOX EQUIPMENT ROOM FUSE BATTERY ENGINE ROOM D.G. SET CHARGER ROOM POWER PLANT

20 Network Management System (NMS)

21 Pictures/ Photographs

22

23 OFC Blowing in HDPE Duct

24 OFC Splicing

25 Instrumentation

26

27 . . . P&I SCHEMATIC FOR ORIGINATING PUMP STATION
WITH TANK FARM, BOOSTER AND ENGINE PUMPING UNITS LS PS PT METER PT TT BP PROVER TANK DPT DM . . STR TM . TM SEP. FILTER BP DPT SUMP TANK SUMP PUMP LS LT FS PI PI S L B SD PI PS PT MAINLINE PUMPING UNITS PI PS PT SD PI PS PI PI PS PI PI PS PI PS PS PS PS PS PS PI UCP/IFP UCP/IFP UCP/IFP TO PT NEXT STATION Control Loop

28 PRESSURE TRANSMITTERS
Our Process Sentinels FLOW SWITCHES PRESSURE SWITCHES LEVEL TRANSMITTERS TEMP. SWITCHES FLOW METERS PRESSURE TRANSMITTERS LEVEL SWITCHES DENSITY METERS

29 Our Process Sentinels Pressure Indicators Pressure Switches
Pressure Transmitters Flow Meters/ Flow Computers Meter Prover Temperature Transmitter Temperature Indicator Level Switches Flow Switches Density Meters Control Valve Tank Gauging System Emergency Shutdown System

30 Hazardous Area Classification & Protection Standards
Hazardous environments exist in oil refineries, pipeline installations, offshore platforms, chemical plants, mines etc. Electrical equipment must be suitable for the environment in which they are to be used. Hazardous areas are classified with respect to the potential danger of explosion and the areas are divided into zones according to the probability of the hazardous atmosphere- Zone 0, Zone 1, Zone 2. In North America, hazardous areas are classified by classes, divisions, and groups.

31 Hazardous Area Classification & Protection Standards
Instruments, Equipments in pipeline installations are deployed keeping in view the hazardous area classification. Protections like Flameproof-Explosion proof, Intrinsic Safety and Ingress Protection are ensured while selection of instruments & equipments. Each chemical gas or vapour used in industry is classified into a gas group. Also, to ensure that there is no risk of ignition due to hot surfaces, the equipments/ instruments are classified with regard to the maximum surface temperature of any part of the equipment.

32 Hazardous Area Classification & Protection Standards
Explosion Protection Methods/ equipment- common types Flameproof (Ex d) Increased Safety - (Ex e) Pressurisation (Ex p) Intrinsically Safe - (Ex i)

33 Hazardous Area Classification & Protection Standards
In case of Intrinsic Safety, the system is designed using safety barriers so that the electrical or thermal energy of a particular instrument loop can never be great enough to cause ignition. Intrinsically Safe Equipment Safety Barrier Control Equipment Room

34 Control System Station Control Centre
Designed to provide effective & efficient monitoring, safe operation and control of local station and scraper station/ block valves under its control. Acquires data from local PLC and scraper station/ block valves under its control in real time and transmits the same to MCC. Configured with dual redundant hot standby computer systems.

35 Control System Programmable Logic Controllers (PLCs) are installed at attended stations/ scraper stations for interfacing the field devices. Remote Terminal Units (RTUs) are installed at unattended block valve stations for interfacing the field devices.

36

37 Field Instruments

38 Field Instruments

39 Field Instruments

40 Field Instruments

41 Field Instruments

42 SCADA System

43 SUPERVISORY, CONTROL AND DATA ACQUISITION SYSTEM
SCADA System SUPERVISORY, CONTROL AND DATA ACQUISITION SYSTEM

44 SCADA System Petroleum Pipeline SCADA networks Dedicated SCADA system is installed to provide effective and efficient monitoring and control of the entire pipeline from Master Control Station (MCS). SCADA system has a MCS and Station Control Centres (SCCs) at attended stations viz. pump stations/ delivery stations/ pump - cum - delivery stations.

45 SCADA System Automated, regular updates of field conditions.
Why is a SCADA System required ? Automated, regular updates of field conditions. Consolidation of information from multiple sources in a single, convenient location. Ability to share process information among multiple spheres of influence Easy to visualize current status of overall system.

46 SCADA System Why is a SCADA System required?..
Automatic alerting of abnormal field circumstances. Ability to directly & immediately respond to abnormal field circumstances through remote control. Maintenance of consistent, accessible archival records.

47 SCADA System Master Control Station (MCS) Designed to provide effective & efficient monitoring, safe operation and control of SCCs/ RTUs for entire pipeline. Configured with dual redundant hot standby computer systems. Adopts distributed architecture using intelligent units; all interconnected through a redundant local area network.

48 SCADA System

49 SCADA System Medium used for Data Transfer Leased Lines
Fiber Optic Communication System Satellite Communication System Digital Microwave Communication System

50 Data Connectivity for SCADA
CP UNIT RTU STM LINK DG SET SCADA SYSTEM

51 Data Connectivity Apart from providing voice & SCADA data connectivity, the Ethernet Channels of communication network are utilised for: Extending SAP Connectivity Extending LAN of Base Stations to other stations for services Remote viewing of CCTV Cameras Other applications e.g. connectivity to fire alarm system at RCP locations etc.

52

53 SCADA System SCADA SOFTWARE Application Software Server/ WorkStation
History Server/ WorkStation Alarm Management Report Management MMI Real-time Data Server Front End PLC Configuration

54 SCADA System Major functions of SCADA system - Data acquisition
Man machine Interface Alarm & Event processing Control processing/ commands Trend generation Shift / Daily Reports Management Information Reports

55 SCADA System Man Machine Interface Multiple Windows support.
Multiple VDU support. Alarm / Event Processing Central processing of Alarms Event list giving details of events of pipeline / control system Facility of archiving events / alarms

56 SCADA System Archiving of Alarms / events Trend Generation
Real time and historical trends Number of trends on a single screen History Archiving of Alarms / events Disk backup facility Triggered on timer / event / user action

57 SCADA System Reports Daily / Shift reports
Automatic report printing facility Export to different file formats for easy information exchange Equipment availability reports Management Information Reports

58

59 MMI Screens

60

61

62

63

64

65

66

67 Pipeline Application Software
All our cross-country pipelines are equipped with Pipeline Application Software comprising Leak Detection, Batch Tracking, and Scraper tracking etc. modules. These are based on real-time Hydraulic Simulation Model driven by Instrumentation from the pipeline, data being sourced through SCADA System. The leak detection system has a crucial role to play in the safe and environment friendly pipeline operations.

68 Pipeline Application Software
Leak Detection (Pressure-Flow deviation) Detects occurrence of leak and gives estimate of volume, based on differences between the data produced from the Real time model and SCADA measurements. Leak Detection (Volume Balance) Detects occurrence of a leak and gives estimate of volume based upon Mass/ Volume balance. Mass/ Volume In = Mass/ Volume Out : No Leak Mass/ Volume In > Mass/ Volume Out : Leak

69 Pressure Profiling (Upstream Pressure Control)
Pu Normal Pressure Profile Pressure Profile under development due to leak (dashed lines) Pressure Pressure Profile fully developed due to leak Pd Pipe Length ANIMATED SLIDE showing pipe with associated pressure/distance graph 1st click - normal profile, gas in pipe 2nd click - leak develops, pressure upstream is constant under assumed pressure control, downstream pressure drops 3rd click - new profile due to leak

70 PRESSURE WAVE METHOD- LEAK CONDITION

71 PRESSURE WAVE METHOD- LEAK NOTIFICATION
Km details

72 PRESSURE WAVE METHOD – Pr. profile during leak generation
in line shut down condition

73 ACTUAL TEST RESULT

74 Pipeline Application Software
Batch Tracking Batch Tracking is done by tracking the movement of a known mass of the product in a pipeline. Time when a batch is introduced in the pipeline goes as basic input to the system. Depending upon the flow rate and density of the product at various points, the movement of the product in the pipeline is calculated. Scraper Tracking Scraper Tracking model calculates the position of scrapers in the pipeline. It estimates the arrival time of scraper at the receiving station. It is used to monitor the movement of scrapers and to schedule scraper receiving operations.

75

76

77 Summing Up Accurate, repeatable and reliable safety instruments and measurements are vital for efficient, more reliable, less interrupted & safer operation of pipelines. The rapid and revolutionary changes in the field of Information Technology (IT) have resulted in a great impact on Instrumentation & Process Control.  It has always been our endeavor to update the Safety Instrumentation, SCADA & Telecommunication System of our pipelines with latest state of the art technology.

78 Thank You


Download ppt "Indian Oil Pipelines Indian Oil has a network of over KM cross- country pipelines throughout the country. Instrumentation Control Systems, SCADA."

Similar presentations


Ads by Google