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Technical tips | Nov 9
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Technical tips | Nov 9
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The technological radio system based on SmartPTT software and MOTOTRBO equipment is used to ensure quality communications at the deposit between dispatcher and the various teams for drilling, maintenance and repair of boreholes, and other workers.
Use of SmartPTT-based radio communications allows resolution of the majority of operational voice communication problems in the specific conditions of petroleum and gas deposits:
Benefits for the dispatcher:
Benefits for working personnel:
Benefits for the managers:
Benefits for the radio network administrator:
When choosing a radio technology communications system for oil and gas deposits it is necessary to take into account the proposed area of radio network coverage, the number of users and network load. Depending on the required number of channels, one or more repeaters can be set up in each area being controlled to provide communications for the dispatcher with mobile subscribers and for mobile subscribers with one another. Depending on the proposed number of subscribers and network load, the repeaters may work either in the IP Site Connect conventional multi-site work mode, or in the Linked Capacity Plus trunking mode (a mode of dynamically assigning channels on demand). Depending on the system’s requirements for reliability, redundancy for the most important components can be provided.
A typical solution for the organization of a dispatcher radio communications system is shown in the drawing below. This solution uses MOTOTRBO digital radio communications equipment and SmartPTT software to perform the functions of scheduling, recording conversations and flexible call- and channel switching. MOTOTRBO uses TDMA temporal compression technology, allowing the number of users on repeater channels to be doubled and the occupied frequency resource to be halved, reducing costs for basic equipment. It enables you to make two concurrent calls via a single channel or to transfer data through the first slot, while using the second slot for voice communication.
Organization diagram of SmartPTT-based dispatcher radio communications
The radio network architecture may vary, but generally this is a multi-site system with repeaters set up so as to ensure full radio coverage of the deposit area. This architecture is based on IP technology which allows repeaters to be joined to one another and ensure their interaction under SmartPTT management, and also dispatcher’ workstation and IP network radio server to be arranged at any distance from the repeaters and carry out remote monitoring, management and configuration of repeaters from a single administration center. The SmartPTT radio server provides voice and data transmission between mobile subscribers and the dispatcher, and also performs the following functions:
The system uses “roaming”, that is, transition from one repeater to another, for uninterruptible communications with teams when moving between facilities. Roaming is implemented in the system for uninterruptible communications with teams when moving between objects – transition from one base station to another without the subscriber switching channels. There is also the option to reconfigure the communications network into separate groups, for example, when carrying out specialized work.
In situations where it is impossible to connect the repeater set up at a remote deposit site (repeater 3 in the drawing) to the system via IP channels, an option is used with communication via MOTOTRBO control stations connected to the SmartPTT server. At the same time voice information and data are only transmitted on the radio channel.
Organization of dispatcher’s automated workstation with SmartPTT dispatcher console installed allows for the provision of:
Thanks to the flexible mechanism of multi-channel processing and output of sounds from different sources (channels, subscribers, groups) a dispatcher console can replace an entire pool of subscriber radio stations which would have required a dispatcher for the efficient management of several work areas or groups of users.