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ESTIMATING FLUID TERM AND ANISOTROPIC PARAMETERS IN SATURATED TRANSVERSELY ISOTROPIC MEDIA WITH ALIGNED FRACTURES

期刊: JOURNAL OF SEISMIC EXPLORATION, 2021; 30 (1)

The Gassmann's equation and general linear-slip model can be combined to characterize the effective elastic properties of a fluid-saturated transverse......

LEAST-SQUARES REVERSE TIME MIGRATION OF PURE QP-WAVE IN ANISOTROPIC MEDIA USING LOW-RANK FINITE DIFFERENCE

期刊: JOURNAL OF SEISMIC EXPLORATION, 2021; 30 (2)

The pseudo-acoustic least-squares reverse time migration (PA-LSRTM) is often used for imaging of anisotropic media. Due to acoustic approximation, it,......

FAST LINE-SEARCH FOR FULL WAVEFORM INVERSION IN THE HUBER NORM

期刊: JOURNAL OF SEISMIC EXPLORATION, 2021; 30 (4)

The misfit functions decide the robust performance of full-waveform inversion (FWI) when the data is contaminated by noise. Huber norm combines the L2......

A TIME-VARYING WAVELET ESTIMATION METHOD BASED ON MODIFIED SPECTRAL MODELING IN THE T-F DOMAIN

期刊: JOURNAL OF SEISMIC EXPLORATION, 2021; 30 (3)

To effectively solve the problem existing in the time-varying seismic wavelet extraction method based on spectral modeling in the time-frequency (T-17......

SIMULATION OF MICROSEISMIC WAVE PROPAGATION USING HIGH-ORDER FINITE DIFFERENCE VELOCITY IMPLEMENTATION ON BOTH SOURCE AND MEDIA

期刊: JOURNAL OF SEISMIC EXPLORATION, 2021; 30 (1)

The characteristics of micro-seismic wave propagation of different source types have raised the interest of seismologists in the past few decades. Whe......

TIME-FREQUENCY ANALYSIS OF SEISMIC DATA FOR THE CHARACTERIZATION OF GEOLOGIC STRUCTURES VIA SYNCHROEXTRACTING TRANSFORM

期刊: JOURNAL OF SEISMIC EXPLORATION, 2021; 30 (2)

Time-frequency (TF) analysis based method is one of the most powerful tools in seismic data processing and interpretation. To delineate the subsurface......

A MULTI-AXIAL PERFECTLY MATCHED LAYER FOR FINITE-ELEMENT TIME-DOMAIN SIMULATION OF ANISOTROPIC ELASTIC WAVE PROPAGATION

期刊: JOURNAL OF SEISMIC EXPLORATION, 2021; 30 (2)

In order to effectively suppress the spurious reflections from the truncated boundaries in seismic numerical modeling, various perfectly matched layer......

SEISMIC IMAGE ENHANCEMENT BY DOUBLE WEIGHTED STACKING

期刊: JOURNAL OF SEISMIC EXPLORATION, 2021; 30 (1)

Normal-moveout velocity analysis using semblance spectrum and common-midpoint stacking after normal-moveout correction are two indispensable procedure......

SELF-ADAPTIVE EDGE-PRESERVING SMOOTHING AND ITS APPLICATIONS IN SEISMIC IMPEDANCE INTERPRETATION

期刊: JOURNAL OF SEISMIC EXPLORATION, 2021; 30 (4)

Seismic attributes, such as seismic impedance, AVO or AVA attributes, or other amplitude-like attributes, and so forth, increase the geological inform......

NUMERICAL SIMULATION IN A WAVE TANK FILLED WITH SAND

期刊: JOURNAL OF SEISMIC EXPLORATION, 2020; 29 (3)

We develop a pseudospectral modeling algorithm for wave propagation in anelastic media with Dirichlet and Neumman boundary conditions. The method also......

TIME-FREQUENCY ANALYSIS OF SEISMIC DATA FOR THE CHARACTERIZATION OF GEOLOGIC STRUCTURES VIA SYNCHROEXTRACTING TRANSFORM

期刊: JOURNAL OF SEISMIC EXPLORATION, 2020; 29 (3)

Time-frequency (TF) analysis based method is one of the most powerful tools in seismic data processing and interpretation. To delineate the subsurface......

A VISCOELASTIC REPRESENTATION OF SEISMIC WAVE ATTENUATION AND DISPERSION CAUSED BY WAVE-INDUCED FLUID FLOW IN FRACTURED POROUS MEDIA

期刊: JOURNAL OF SEISMIC EXPLORATION, 2020; 29 (6)

Analyzing and understanding the seismic response from fractured reservoirs is vital to reservoirs characterization and the production optimization of ......

DESERT LOW FREQUENCY NOISE SUPPRESSION BASED ON MULTI-LEVEL WAVELET CONVOLUTION NEURAL NETWORK

期刊: JOURNAL OF SEISMIC EXPLORATION, 2020; 29 (6)

Due to the effect of various environment factors, the random noise in desert seismic exploration has complex characteristics, including low frequency,......

DESERT SEISMIC EXPLORATION LOW-FREQUENCY NOISE ATTENUATION BASED ON IMPROVED CO-SPARSE ANALYSIS MODEL

期刊: JOURNAL OF SEISMIC EXPLORATION, 2020; 29 (6)

Desert low-frequency noise is a kind of noise in desert seismic exploration records, with significant low-frequency characteristics. Severe frequency ......

SANDSTONE POROSITY PREDICTION BASED ON GATED RECURRENT UNITS

期刊: JOURNAL OF SEISMIC EXPLORATION, 2020; 29 (4)

Sandstone porosity prediction is a difficult task because of the heterogeneity of reservoir rock. Deep learning has been widely used in various fields......

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