Results 31 to 40 of about 6,471 (265)
Pre-Spud Mud Loss Flow Rate in Steeply Folded Structures
Oil & Gas Science and Technology, 2014 In this paper, a new method that predicts the pre-spud mud loss flow rate in formations with tectonic fractures of steeply folded structures is proposed.
Wang Zhiyuan, Sun Baojiang, Ke Ke
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Structural and sedimentological analysis of the Pliocene–Late Miocene deposits from the Romanian Black Sea offshore based on borehole electrical imaging [PDF]
E3S Web of Conferences, 2019 This study presents the results of the structural and sedimentological interpretation of borehole electrical imaging data recorded in a gas exploration well from the Romanian offshore area of western Black Sea.
Niculescu Bogdan Mihai, Andrei Gina
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Seismicity, focal mechanisms, and stress distribution in the Tres Vírgenes volcanic and geothermal region, Baja California Sur, Mexico [PDF]
Geofísica Internacional, 2006 In October 1993 we carried out a seismic monitoring in the Tres Vírgenes volcanic region in order to record the background seismicity associated with the volcanic structures, the geothermal field and the tectonic features of the area. Hypocenters for 257
Luis Munguía, Victor Wong
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TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A, 1992 In order to establish the methodology of hydraulic fracturing tectonic stress measurements, the relation between the so-called reopening pressure of longitudinal cracks and tectonic stresses is studied. To this end, the coupled problem of fluid flow in the crack and the crack reopening behavior in an impermeable rock is analyzed based on the linear ...
ITO, Takatoshi, HAYASHI, Kazuo
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Геодинамика и тектонофизика, 2020 The current state of crustal stresses in the Caucasus and adjacent territories has been reconstructed. Stress inversion was performed by the cataclastic analysis of earthquake focal mechanisms considered as seismological strain indicators.
Yu. L. Rebetsky
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Sensors, 2021 Special regulations have been laid down to establish the principles and requirements for the safety and serviceability of old mining workings which are adapted for tourism.
Zbigniew Szczerbowski +1 more
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Earthquake Predicting and Tectonic Stress Reducing Possibilities
, 2022 Abstract Recent satellite and ground-based observations prove that during the earthquake formative period VLF/LF and ULF electromagnetic emissions are observed in seismogenic areas. The present consolidated paper describes a theoretical model of the generation of electromagnetic emissions detected during the earthquake preparation periods, a ...
Kachakhidze, Manana +1 more
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Impact of differential stress on fracture due to volume increasing hydration [PDF]
Solid EarthThe volume increase that accompanies many hydration reactions can stress and fracture the surrounding rock, a process commonly called reaction-induced fracturing.
J. J. McElwee +4 more
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Meikuang Anquan, 2020 In view of the frequent occurrence of rock burst in the middle layer of the steeply inclined thick coal seam in Dongxia Coal Mine, based on the three-dimensional microseismic monitoring network and the seismic source space precise positioning method, the
DING Xiaomin, NIU Jiasheng, XUE Zaijun, GONG Siyuan, SHEN Wei, LIU Jianxiao, YU Lei
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Biological Reviews, EarlyView.ABSTRACT During their long evolutionary history, land plants have evolved a range of adaptations to different abiotic stressors. These help explain present‐day diversity and distribution patterns, as well as the potential resilience of natural and agricultural systems to a changing climate. Most previous research has focused on adaptation to individual
Marc Fradera‐Soler +6 more
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