Adaptive regularization parameter estimation in image domain least-squares migration

Shen Sheng, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the Hessian matrix can be represented by a set of PSFs which can be estimated by a demigration-migration procedure on a model of impulse scatterers...

Quantifying the Impact of Geochemistry on the Interfacial Interactions of Kerogen and Water and its Impact on Fluid Mobility

Archana Jagadisan, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... of kerogen transforms aliphatic carbon-rich to aromatic carbon-rich structures (Vandenbroucke 2003; Vandenbroucke 2007). In recent experimental and MD...

Petrography and Reservoir Physics III: Physical Models for Permeability and Formation Factor (1)

ROBERT EHRLICH , EDWARD L. ETRIS , DAVID BRUMFIELD , L. P. YUAN , and STERLING J. CRABTREE

AAPG Bulletin

...), who used power spectra of double Fourier transforms of porosity images to show that grains (and pores) exhibit a structure consisting of domains...

Polynomial Amplitude versus Azimuth Inversion in Horizontally Transverse Isotropic Media, as Tested on Fractured Coal Seams in the Surat Basin

Joseph Kremor, Randall Taylor, Khalid Amrouch

Australian Petroleum Production & Exploration Association (APPEA) Journal

... with the Fourier method. Data from an open file 3D wide azimuth seismic survey in the Surat Basin were inverted to demonstrate the effectiveness of the techniques...

Deterministic and Statistical Wavelet Processing

Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... do is to find the effective wavelet, either by dividing the Fourier transform of x by the Fourier transform of r in frequency domain or by equivalent...

Gravity's Role in a Modern Exploration Program

Gene Greene

Houston Geological Society Bulletin

... dimensional Fourier transforms to study the filtering effect of ring residual operators. He illustrates how this, or any other wavelength filter, which...

The new method of sandbody connectivity characterization for fluvial reservoir and its application in Bohai oilfield

Xuetong Liu, Hebing Tang, Xuefeng Zhou, Zhenglong Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... energy to be removed. Traditional time-frequency analysis methods such as shorttime Fourier transform, continuous wavelet transform, and S-transform...

Spectral Decomposition: Extending the Limits of Seismic Resolution for Reservoir Delineation

Sunu H. Praptono, Bambang Murti, Dylan Mair

Indonesian Petroleum Association

... in the data. Methodology The spectral decomposition transforms the seismic data into the frequency domain via a DFT (Discrete Fourier Transform) or via a MEM...

Abstract: Fourier Domain Regularization 5D and More; #90174 (2014)

V. Khatchatrian

Search and Discovery.com

...Abstract: Fourier Domain Regularization 5D and More; #90174 (2014) V. Khatchatrian AAPG Datapages/Search and Discovery Article #90174 CSPG©2014 CSPG...

Adapting Music Recognition Technology for Tops Picking and Quality Control

Alan Lindsey, Morgan Cox, Aaron Hugen

Unconventional Resources Technology Conference (URTEC)

... clip. Figure 4 shows a spectrogram of the same audio clip that was used to display the waveform in Figure 3. The spectrogram transforms the audio...

Potential of UV-Visible Absorption Spectroscopy for Characterizing Devonian Black Shales

Teivardashni Gunasergaran, Eswaran Padmanabhan, Ibad Mahmoodi, Yang Wang Chuan, Zaky Ahmad Riyadi

Geological Society of Malaysia (GSM)

..., S.M.I. and E. Padmanabhan, Hydrocarbon Bond reflectance (ATR) Fourier transform infrared spectroscopy Variation in Some Shales from Batu Gajah...

Geochemistry and Microstructure Characterization of Kerogen in Chinese Cambrian Shale: A Combined Experimental and Molecular Simulation Study

Search and Discovery.com

Relationship Between Test Morphology and Bathymetry in Recent Bolivina albatrossi Cushman, Northwestern Gulf of Mexico: ABSTRACT

Anthony C. Gary

AAPG Bulletin

... 1422 1422 69 9. (September) An automated video digitizer and closed-form Fourier series analysis were used in this study to quantify benthic...

Fast self-supervised learning for reconstruction of 3D seismic data

Yinshuo Li, Wenkai Lu, We Cao

International Meeting for Applied Geoscience and Energy (IMAGE)

... employs fast Fourier convolution to extract the global waveform. The synthetic and field experiments show that the proposed has a remarkable...

Fourier Analysis of the Laminated Facies of the Middle Bakken Member, Sanish-Parshall Field, Mountrail County, North Dakota, #50996 (2014).

Virginia A. Gent, Stephen A. Sonnenberg

Search and Discovery.com

...Fourier Analysis of the Laminated Facies of the Middle Bakken Member, Sanish-Parshall Field, Mountrail County, North Dakota, #50996 (2014). Virginia...

Suppression of coherent and random noise using adaptive thresholding method in seismic-while-drilling

Yue Ma, Yujin Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... 𝜏 − 𝑝 transforms that provide good ground-roll suppression while preserving the signal, especially in the high-frequency components of the data...

3D Radon transformation with axis dependent curvature

Faruq Akbar, Warren Ho, Sebastian Holland, Rodrigo Fuck

International Meeting for Applied Geoscience and Energy (IMAGE)

... for derivation purpose. The transformation operator L is then written as: 𝐿 = 𝑒 −𝑖𝜔(𝑝 𝑥 𝑥 𝛼 +𝑝 𝑦 𝑦 𝛽) . Unlike the Fourier transform...

Classification of elemental chemofacies as indicators of cement diagenesis in mudrocks of the Permian Spraberry Formation and Wolfcamp formation, western Texas

Autumn L. Eakin, Julia S. Reece, Kitty L. Milliken, Robert Locklair, and Andrew P. Rathbun

AAPG Bulletin

... compositional data sets, such as XRF, XRD, or Fourier transform infrared spectroscopy, aiding in the prediction of mechanical mudrock properties...

Fourier Analysis of the Laminated Facies of the Middle Bakken Member, Sanish-Parshall Field, Mountrail County, North Dakota

Search and Discovery.com

Application of Fourier Transform Infra-Red Spectroscopy in Determination of Reservoir Properties

Search and Discovery.com

Chemostatistic allocation of shale oil production using acidic NOS compounds determined by negative-ion electrospray Fourier transform ion cyclotron resonance mass spectrometry

Search and Discovery.com

Fourier Transform Infra-Red As A Cost Efficient, Rapid Tool For Hydrothermal Exploration

Search and Discovery.com

Abstract: Near-surface Velocity Modeling through a Computationally Efficient Implementation of 1.5D Laplace-Fourier Full Waveform Inversion; #91204 (2023)

Apostolos Kontakis, Diego Rovetta, Daniele Colombo, Ernesto Sandoval-Curiel

Search and Discovery.com

...Abstract: Near-surface Velocity Modeling through a Computationally Efficient Implementation of 1.5D Laplace-Fourier Full Waveform Inversion; #91204...

Automated detection of ferromagnetic pipelines from magnetic total-field anomaly data using convolutional neural networks

Brett Bernstein, Yaoguo Li, Richard Hammack

International Meeting for Applied Geoscience and Energy (IMAGE)

... properties of the Hilbert transform (Nabighian, 1984), q FFT 2 2 ˜ Tz $ wx + wy DT , (2) ˜ where wx and wy are the x and y wavenumbers and DT is the Fourier...

Hybrid streamer/sparse OBN imaging offshore Norway

Chris Walker, Zhengzheng Zhou, Xi Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... sparsity constrained interpolation are shown in Figure 4. Comparisons were undertaken between 1D Fourier and wavelet transforms and although the results...