Comparative Analysis of Conventional Seismic Survey With Passive Seismoelectric Exploration at Gas Condensate Field

Potylitsyn, V. S.

doi:10.21660/2019.63.78699

Cited by 2 publications

(3 citation statements)

References 11 publications

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“…As shown in Table 2 , obtained in 2019–2020, the experimental data confirmed the results of the measurements in 2014–2018 [ 27 , 28 , 44 , 45 , 46 , 47 ]. Figure 9 b also shows a curve obtained by solving Equations (1)–(8), according to which the values of the electric field strength E will correspond to the magnitude of the observed SE effect on the day surface.…”

Section: Resultssupporting

confidence: 84%

“…Earlier [ 27 , 28 , 46 , 47 ], we have shown, both theoretically and empirically, that the SE effect of the second kind is most pronounced at the edges of the field. This is due to the distribution function of the electric charges along the boundaries of the field, which cause an EM field when exposed to microseismic disturbances.…”

Section: Resultsmentioning

confidence: 53%

“…This was the first attempt to process data obtained in different years of observation. Based on the experience of [ 27 , 28 , 44 , 45 , 46 , 47 ] on this profile, it can be concluded that the amplitude value of the observed cross-correlation coefficient on the Earth’s surface depends on many factors. Thus, the absolute value of this coefficient cannot be used for the assessment, and, therefore, the shape of the resulting curve is a more important factor.…”

Section: Discussionmentioning

confidence: 90%

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Study of the Seismoelectric Effect of the Second Kind Using Molecular Sensors

Potylitsyn

Kudinov

Dmitry

et al. 2021

Sensors

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The article is devoted to the study of the potential possibilities of using molecular-electronic sensors of seismic waves for field work using the seismoelectric method to explore the hydrocarbon deposits. The introduction provides an analytical review of the current state of research based on data from science magazines and patents. It is shown that at present, seismoelectric effects are at the stage of experimental implementation into the practice of field work for oil and gas geophysical prospecting. Further in the article, theoretical estimates and results of mathematical modeling of the manifestation of seismoelectric (SE) phenomena in the regions of hydrocarbon anomalies are presented, numerical estimates of the values of the seismic and secondary electromagnetic fields are given. The analysis of the results (on a tank and real gas condensate field) showed that the use of molecular-electronic geophones, which have a higher sensitivity and operate in a wider frequency range (up to 0.1 Hz), allows one to obtain higher signal-to-noise ratio. Thus, it has been experimentally established that the use of molecular sensors for recording seismic electric effects when searching for deposits is more preferable when carrying out field work.

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Section: Resultssupporting

confidence: 84%

Section: Resultsmentioning

confidence: 53%

Section: Discussionmentioning

confidence: 90%

See 1 more Smart Citation

Study of the Seismoelectric Effect of the Second Kind Using Molecular Sensors

Potylitsyn

Kudinov

Dmitry

et al. 2021

Sensors

View full text Add to dashboard Cite

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Wavefield Modeling and Analysis of Lightning Quakes Measured by a Distributed Acoustic Sensing Array

Roth,

Zhu,

Czarny

et al. 2023

Bulletin of the Seismological Society of America

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Lightning-induced seismic waves, termed “lightning quakes,” are frequent natural sources in many storm-prone regions. Lightning quakes have been clearly observed in numerous environments by both seismic and acoustic instruments, for example, by distributed acoustic sensing (DAS) array. Despite these numerous observations, the physical nature of lightning quake wavefields detected by ground-based arrays remains poorly understood. The possibility of electroseismic (ES) conversion due to lightning’s powerful electromagnetic fields was, until now, unstudied. This investigation uses 3D numerical simulations of acoustic-to-seismic and ES wavefields alongside a novel data-driven azimuthal strain-rate variation analysis technique to robustly reveal the complex nature of lightning quakes. We show that lightning quakes begin as airborne acoustic waves before coupling with the solid earth as air-coupled Rayleigh waves and Love waves that are generated by local sources near the receiver, such as topography or urban infrastructure. These conclusions suggest thunder observations from a DAS array can be used to infer the structure of the near surface around the receiver, but care needs to be taken in understanding the role of local sources. An estimate of the Rayleigh- and Love-wave phase velocities is produced using a novel data analysis method unique to DAS. Furthermore, we demonstrate that electroseismic coupling does not play a significant role in the lightning quake wavefields. Although these simulations do not fully capture the realistic frequency of the electroseismic coupled wavefield, theory suggests that the wavefield is high frequency and thus quickly attenuated in the saturated near-surface soils. Electroseismic coupled wavefields from lightning may be detectable very close to the bolt.

show abstract

Comparative Analysis of Conventional Seismic Survey With Passive Seismoelectric Exploration at Gas Condensate Field

Cited by 2 publications

References 11 publications

Study of the Seismoelectric Effect of the Second Kind Using Molecular Sensors

Study of the Seismoelectric Effect of the Second Kind Using Molecular Sensors

Wavefield Modeling and Analysis of Lightning Quakes Measured by a Distributed Acoustic Sensing Array

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