Results 91 to 100 of about 4,586 (215)

Full-waveform Based Microseismic Source Mechanism Studies in the Barnett Shale: Linking Microseismicity to Reservoir Geomechanics [PDF]

open access: yes, 2013
Microseismic moment tensor (MT) contains important information on the reservoir and fracturing mechanisms. Difficulties arise when attempting to retrieve complete MT with conventional amplitude inversion methods if only one well is available.
Song, Fuxian   +2 more
core   +2 more sources

Goodbye Noise, Hello Signal! Improving Microseismic Monitoring in Noisy Environments

open access: yesProceedings, 2009
Over the last decade, Petroleum Development of Oman have deployed several microseismic monitoring systems. Due to the maturity of many of the oilfields in Oman, anthropogenic noise is in abundance. Given that the magnitude of some of the microseismic events can be as low as M = -3, noise can seriously hamper the detection and/or processing of such ...
M.-A. Lambert   +3 more
openaire   +2 more sources

Urban Basin Structure Imaging in Northern Los Angeles From Ambient Noise Differential Adjoint Tomography

open access: yesGeophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract We employ differential adjoint tomography to suppress the effects of uneven noise sources and image the upper crust S wave velocity structure of San Gabriel Basin, Chino Basin and San Bernardino Basin in the northern Los Angeles. A Sequential Subdomain Inversion strategy is implemented to address regional imbalance of sensitivity kernel ...
Zhanwen Li, Xin Liu, Xi Wang, Lina Gao
wiley   +1 more source

Signal Enhancement for Downhole Microseismic Data Using Improved Attention Mechanism Based on Autoencoder Network

open access: yesIEEE Access
During the downhole microseismic monitoring for hydraulic fracturing, microseismic signals are constantly vulnerable to interference from different kinds of noise.
Wenxuan Ge   +4 more
doaj   +1 more source

What moved where?: The impact of velocity uncertainty on microseismic location and moment-tensor inversion [PDF]

open access: yes, 2017
With the rise of unconventional resources, microseismic monitoring is becoming increasingly important because of its cost-effectiveness. This has led to significant research activity on how best to locate events and characterize their moment tensors ...
Fehler, Mike   +2 more
core   +1 more source

Induced Earthquakes Inhibited by Shear Thickening Fluid

open access: yesGeophysical Research Letters, Volume 52, Issue 24, 28 December 2025.
Abstract Induced seismicity is an inevitable consequence of subsurface resource development. Public concerns have been raised in cases where a surge in felt or damaging earthquakes has occurred because of industrial activity. The effective mitigation of induced earthquakes remains a major challenge despite the employment of several strategies. Here, we
Lu Wang   +4 more
wiley   +1 more source

An improved empirical green function method to extract microseismic signals

open access: yesGeodesy and Geodynamics, 2019
In mining, reservoir impoundment and hydraulic fracturing exploitation, the induced microseismic clusters may present complex waveforms at receivers since the individual events generally arrive very close. And the routine methods for arrival picking are insufficiently efficient due to these strong influences.
Dayong Yu, Pan Wang
openaire   +2 more sources

Rock Magnetic Responses to Creep and Stick‐Slip Deformation Processes in the Xianshuihe Fault Zone, Eastern Tibetan Plateau

open access: yesGeophysical Research Letters, Volume 52, Issue 23, 16 December 2025.
Abstract The Xianshuihe fault zone (XSHF) in southwestern China accommodates both aseismic creep and seismic slip, yet geological evidence constraining these processes remains limited. Hence, we conducted microstructural, geochemical, and rock magnetic analyses of fault‐zone materials from the Cuoniulongba River outcrop.
Lei Zhang   +6 more
wiley   +1 more source

Monitoring and Modelling the Vibrational Effects of Small (<50 kW) Wind Turbines on the Eskdalemuir IMS Station [PDF]

open access: yes, 2011
It is known (Styles et al., 2005) that windfarms generate low frequency vibrations which propagate through the ground and have the potential to adversely affect sensitive installations, most notably seismometer arrays set up to monitor for nuclear tests.
Styles, P, Toon, S, Westwood, RF
core   +1 more source

MA_W-Net-Based Dual-Output Method for Microseismic Localization in Strong Noise Environments

open access: yesApplied Sciences
With the continuous depletion of conventional oil and gas reservoir resources, the beginning of exploration and development of unconventional oil and gas reservoir resources has led to the rapid development of microseismic monitoring technology ...
Qiang Li, Fengjiao Zhang, Liguo Han
doaj   +1 more source

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