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Industries Energy Pipeline Transportation
Oil and Gas Digital Pipeline Solution


Challenges

Currently, approximately 85% of oil and gas is carried through complex pipelines, making it the most important method of transportation. Secure and stable pipeline transportation is therefore crucial to the end-to-end oil and gas production process. Several items must be considered. First, oil and gas pipelines span wide areas and transverse extreme terrains. Under traditional pipeline management and control models, workers have to patrol alongside the pipelines to inspect for cracks or other events. These inspections are labor-intensive and time-consuming, and often incomplete as teams are usually only able to cover key sites and main lines because of the distances involved. Second, a lot of office systems including scheduling, conferencing, and telephone systems are used in pipeline transportation management. These systems often run independent of each other with high Operation and Maintenance (O&M) costs and affect the efficiency of communication and decision-making. Third, pipeline transportation usually involves a number of risks like pipeline corrosion, natural disasters, and incidents such as civil works and oil and gas theft.



Solutions

To meet these challenges, Huawei designed its Digital Pipeline Solution based on a long-term analysis of the communications requirements of the oil and gas industry long-distance pipelines. To account for the harsh environment and to facilitate Operation and Maintenance (O&M), this solution provides three layers, including infrastructure network, convergence communications, and comprehensive security. With multiple network coverage modes and communication methods, it delivers reliable communications services, an integrated office communication platform, and an intelligent security surveillance system that runs alongside the long-distance pipelines. Additionally, this solution works with a Supervisory Control And Data Acquisition (SCADA) system which enables oil and gas companies to immediately mitigate risks and improve productivity with comprehensive information about the entire pipeline.


Figure 1: Overview of Oil and Gas Digital Pipeline Solution



Infrastructure network

The Huawei Digital Pipeline Solution relies mainly on optical transmission. The control center, metering stations, compressor stations, and valve stations are connected by optical transmission networks. A microwave transmission system is constructed to supplement the optical transmission network for stations in remote areas or in locations where it is difficult to route optical cables.


To further enhance network robustness, the Very Small Aperture Terminal (VSAT) system is deployed as a backup link between key sites, such as the control center, metering stations, and compressor stations. In the event that optical transmissions are interrupted, important services like the SCADA and hotline services are switched over to the VSAT system automatically to ensure continuous operation.


Figure 2: Oil and Gas digital pipeline network overview



Convergence communication

This solution is used in stations to manage production, office activities, and provides videoconferencing utilities. With this solution, the infrastructure network carries multiple services (including voice, video, and data services), and enables convergence communication between videoconferencing, telephone, trunking, and scheduling services. The Private Branch eXchange (PBX) voice system in stations is connected to the Public Switched Telephone Network (PSTN) to ensure connectivity with the fixed network or carrier network. The PBX voice system is also connected to the LTE-based enterprise Core Network System (eCNS) via the Session Initiation Protocol (SIP). Base-station equipment, as a digital cluster system, is deployed alongside pipelines to provide full coverage. Waterproof, dustproof, and blast-resistance cluster devices are also provided to facilitate wireless cluster scheduling and collaboration on pipeline patrol, maintenance, and emergency response.


Figure 3: Convergence communication solution overview



Comprehensive security

The comprehensive security system consists of an Intelligent Video Surveillance (IVS) system, SCADA system, Intrusion Detection System (IDS), access control system, and other types of security and monitoring systems. These systems combine to monitor physical security and detect leaks in pipelines and at stations. Surveillance images are collected by devices like IP cameras located alongside pipelines. These images are saved on a local disk array or sent to and saved on a disk array at the control center. Using application and management systems, images can be pulled up, browsed, replayed, and managed to facilitate emergency response and problem tracking. The IVS allows alarm linkage with the SCADA system and the IDS. In addition, the IVS works with the GIS to locate and look over surveillance sites.


Figure 4: Comprehensive security network overview



Customer Benefits

  • Multiple network coverage modes can overcome the challenges caused by harsh environments.
  • The unified office communications platform improves work efficiency and emergency responsiveness.
  • Pipeline operations data is collected in real-time so that corrosion or damages can be immediately identified and handled to prevent oil and gas leaks.
  • The entire pipeline implements visualized management so threats such as illegal intrusion, damages caused by civil works, and oil and gas theft, etc. can be discovered and answered in a timely manner, regardless of location along the pipeline.
  • Efficient early warning and emergency response systems minimize accidents.


If you have more questions, please contact document author: Weiqiang Deng, Marketing & Solution Department, email: dengweiqiang@huawei.com


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