microseism

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microseism

[′mī·krə‚sīz·əm]
(geophysics)
A weak, continuous, oscillatory motion in the earth having a period of 1-9 seconds and caused by a variety of agents, especially atmospheric agents; not related to an earthquake.
References in periodicals archive ?
The optimization of the sensor arrays used to acquire passive microseismic data is dependent upon many factors.
8220;Since our entry into microseismic acquisition in the oil and gas industry in 2000, we have seen an increasing demand for complete microseismic mapping services for hydraulic fractures,” said Dr.
aI (as in bite) i y ai ei eye ye ey uy ae identify cyanide Isaianic microseismic eyesight dye- line geyerite (arsenide of iron) huyssenite (a borate & manganese and iron) paedeia (in ancient Greece,\ society' culture)
0]-10 the fixed meaning; r-hypocentral distance; p, b, v, q--constants determined based on microseismic data.
Sensors can be designed to record variations in local microseismic activity or in fluid properties such as temperature, pressure, or chemistry.
15, 2015 /PRNewswire/ -- Spectraseis, an industry leader in surface-based seismic technology and services for hydraulic fracture monitoring ("HFM") and induced seismicity monitoring ("ISM"), has confirmed today that the ownership of Spectraseis will transfer to Spectris plc where it will be integrated with ESG Solutions ("ESG"), a leading supplier of microseismic monitoring technology and analysis solutions to customers in the oil and gas and mining sectors.
Contract notice: Supply and installation of "instrumentation microseismic surface" (cig n.
The use of microseismic fracturing proved to be a valuable tool in the first Northwest shale gas well to assess the efficiency of the fracture network generated through hydraulic fracture treatments.
In 2012, researchers of the Seismology Institute together with scholars from the Porto University explored geophysical equipment RAS-24 and held joint microseismic surveys of the areas surrounding 48 schools in Chon Alay district, Osh region.
GTI played a key role in developing hydraulic fracturing and microseismic technologies that are widely used to this day," said Kent Perry, vice president, onshore programs, Research Partnership to Secure Energy for America (RPSEA), who served for more than 20 years as an R&D manager at GTI.
com)-- ESG Solutions, an industry leader in microseismic technology and services is pleased to announce an upcoming workshop on advanced seismic analysis for mining and geotechnical applications.
There in such an antenna a gravitational wave should lead to a peak in the microseismic background spectrum on the Earth (one of the ends of the antenna).