Results 181 to 190 of about 308,129 (298)

Azimuthal sensitivity and spatio-temporal decimation of data from distributed acoustic sensing on submarine cables for offshore earthquake early warning systems. [PDF]

Sci Rep
Smith JL, Belal M, Lythgoe K, Spingys C, Neale JW, Embriaco D, Curtis A.   +6 more
europepmc   +1 more source

Surface hydration‐induced damage in tight oil‐bearing sandy conglomerate reservoirs

Deep Underground Science and Engineering, EarlyView.
A series of techniques such as X‐ray diffraction, scanning electron microscopy, energy‐dispersive spectroscopy, conductivity tests, and infrared thermal imaging were used. The key findings are the identification of a two‐stage surface hydration process and the elucidation of the effects of various minerals and elements on the hydration process ...
Anbang Zhao, Shuheng Du, Yuan Zhang, Jinghong Hu, Bo Zhou, Yun Wei   +5 more
wiley   +1 more source

Frictional healing and induced earthquakes on conventionally stable faults. [PDF]

Nat Commun
Li M, Niemeijer AR, van Dinther Y.
europepmc   +1 more source

Numerical and experimental study on P‐wave propagation across a rock joint with different orientations

Deep Underground Science and Engineering, EarlyView.
Joint orientation significantly affects P‐wave velocity, with the highest velocity at zero‐degree angles, decreasing to 30° as the angle increases. The velocity increases slightly from 30 to 45 degrees but sharply decreases from 45 to 90 degrees. Abstract Determination of the required parameters in different science contexts using the ultrasonic wave ...
Yaghoob Zarei, Mojtaba D. fallahi, Ali Uromeihy, Mohammad R. Nikoodel, Mohammad Fathollahy   +4 more
wiley   +1 more source

Helium isotope anomaly in groundwater prior to the 2024 Noto Peninsula earthquake. [PDF]

Nat Commun
Kagoshima T, Sano Y, Takahata N, Kawamoto Y, Shibata T, Li Y, Morishita T, Hiramatsu Y, Nakajima J.   +8 more
europepmc   +1 more source

Measuring Earthquakes [PDF]

Science, 1884
openaire   +2 more sources

The impact of forced closure on proppant distribution of hydraulic fracturing in shale formations

Deep Underground Science and Engineering, EarlyView.
Research findings demonstrate that implementing forced closure within shale formations can remarkably mitigate proppant settlement, concurrently increasing the effective propped surface area from 29.74% to 38.68%. Abstract Forced closure is widely used in conventional oil and gas reservoirs to promote uniform proppant placement.
Tongxuan Gu, Hanyi Wang, Quan Gan, Shuang Zheng   +3 more
wiley   +1 more source

Updated probabilistic seismic hazard assessment using M_wg (Das magnitude scale) to address moment magnitude (M) scale inaccuracies below 7.5: a case study from Northeast India. [PDF]

Sci Rep
Das R, Das A, Choudhury D, Meneses C, Barrera FG, Wason HR, Alam MA.   +6 more
europepmc   +1 more source

Gaborlet‐guided sparse filtering: A novel intelligent method for lithology identification by vibration signals while drilling

Deep Underground Science and Engineering, EarlyView.
The flowchart illustrates rock specimen testing, vibration signal acquisition, and feature extraction with Gaborlet and sparse filtering for classification. Abstract Traditional lithology identification methods mainly rely on core sampling and well‐logging data.
Jian Hao, Danqi Zhang, Zhenqi Song, Jinrui Wang, Qi Wang, Heqing Liu   +5 more
wiley   +1 more source

Bridging the gap between subduction dynamics and the long-term strength of the Sunda megathrust. [PDF]

Nat Commun
Capitanio FA, Gollapalli T, Munukutla R, Graciosa JC, Mohd Z, Beall A, Dal Zilio L.   +6 more
europepmc   +1 more source