Research on the development of heterogeneous network transmission system for seismic exploration wireless data acquisition

Wireless Geophone Networks for Land Seismic Data Acquisition: A Survey, Tutorial and Performance Evaluation

“…In this section, we evaluate some of the WGN key performance metrics from the simulation for different payload sizes p. Figure 7 shows the plots for the offered load to the network as compared to the throughput measured in the simulation. The offered load is computed analytically using Equation (8). It can be observed from the figure that the offered load increases with increase in payload size.…”

“…Cable-free land seismic acquisition is discussed in several research articles [10,11,25,28,[39][40][41], with deep insight into land seismic surveys and the requirements necessary to achieve optimum results in such a survey. Many others discussed wireless geophone network architectures and technologies for large-scale land seismic survey [8,9,12,29,30,42].The most recently introduced real-time wireless system aiming at large seismic channel count is the RT3 system developed by "Wireless Seismic Inc." (Stafford, TX, USA) in 2017 [28]. The system comprises of a recording unit called "mote", a ground relay unit (GRU) that serves as the gateway, and a CCU called the central recording system (CRS) that supports over 250,000 seismic channels.…”

“…T sa = p × T r D g (7) The theoretical offered load (η) in the network for different payload sizes can be computed using the relation expressed in Equation (8).…”

“…The traditional approach of deploying these networks is to connect each sensor via cable. Cable-based surveys are known to have a lot of disadvantages, such as excess weight, reliability issues, complexities in deployment and maintenance, human resource costs [8], and other operational costs. According to [9], cables account for up to 50% of operational costs and 75% of the total equipment weight in land seismic surveys.…”