Offshore oil and gas applications face many obstacles and difficulties: all the operations are confined to the platform, and the weight and size of equipment also raise major concerns. In addition, marine environments are highly corrosive and require intense maintenance. Systems installed on these platforms must be tough enough to withstand challenging offshore conditions, such as marine corrosion, temperature variations, high tides, and even hurricanes. Enabling remote monitoring and platform drilling control in hard-to-reach areas is a necessity. In addition, operators require redundant bandwidth networks for non-stop monitoring of all aspects of the platforms. Since most production platforms are situated where access is difficult, data is usually transmitted by means of wireless communications.
 
System Requirements
 
Remote Monitoring Built on a SCADA Network
SCADA systems collect data from remote, unmanned platforms and then send the data to a central location, which makes SCADA ideal for offshore environments. To process vast amounts of data in real-time, high bandwidth industrial Ethernet networks are used to connect PLCs and field sensors to an HMI/SCADA host. With this type of solution, both personnel costs and accidents can be reduced substantially.
 
Building Automation on the Host Platform
Buildings located on the host platform are equipped with automated systems that control the remote equipment and maintain and monitor the lighting, air conditioning, and electrical systems.
 
CCTV Systems Improve Field Operation Safety
CCTV systems installed on most platforms are gradually being integrated into the backbone network. For this reason, IP video surveillance is used since it can provide complete control of field cameras and traditional CCTV equipment.
 
Safe and Reliable Industrial Networks in Marine Environments
Offshore networks must meet international regulatory standards because of the hazardous conditions, which is why many engineers are turning to industrial Ethernet to take advantage of the hazard protection and long-term durability features for their oil platform applications.
 
A High Degree of Network Redundancy
Since network downtime on a platform reduces productivity, network redundancy is one of the key requirements of any offshore communication infrastructure.
 
Offshore Wireless Connections
Many production platforms are located in unmanned areas accessible only by helicopter. For this reason, setting up a reliable wireless network is essential to allow communication between drilling rigs and the host platform. Effective long distance communications is made possible by direct wireless technology or via satellite, and IEEE 802.11a/b/g Wi-Fi can be used to optimize mobile access and short distance communications; serial device servers can also be employed to connect radio systems to the network.
 
Network Architecture for Offshore Production
 
    Moxa's Solutions  
 
  A Broad and Extensive Range of Industrial Networking Products
    Moxa offers highly reliable and secure remote monitoring solutions over LAN, which are tailored for offshore use. Products include industrial Ethernet switches, IP video products, industrial wireless Ethernet devices, and serial-to-Ethernet servers.
   
  Industrial Standard Approvals
    Class I, Division 2/ATEX Zone 2 and DNV/GL/ABS/LR/NK certifications of Moxa products ensure flawless operation in extreme environments and in areas with explosive gases.
   
  Flexible Media Combinations
    Moxa offers products with 10 Mbps, 100 Mbps, and 1 Gbps transmission speeds, different combinations of copper, fiber, and SFP ports, as well as a variety of popular power inputs.
   
  Industrial-grade Ruggedness
    Industrial-grade features for offshore applications include an extended operating temperature range of -40 to 75°C, IP-rated weatherproof housing, compact design, fiber optic connections for long distance transmission and EMI immunity, surge protection, redundant power inputs, and fault tolerance redundancy.
   
  Rugged and Flexible Wireless Ethernet Solutions
   

Moxa's industrial wireless Ethernet products have a rugged hardware design, redundant power inputs, an extended operating temperature, are IP67/68-rated, and advanced security functions that include WEP, WPA, WPA2, MAC address filtering, and IEEE 802.1X.
 

 

 

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