Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)

Scott Leaney, Chris Chapman, and Tadeusz Ulrych

Search and Discovery.com

... is used to estimate the common source function or wavelet. A weighted, regularized deconvolution step then returns the scaled, real moment tensor...

Abstracts: The Deconvolution of Multicomponent Trace Vectors; #90173 (2015)

Xinxiang Li, Peter Cary, and Rodney Couzens

Search and Discovery.com

...-wave splitting, shown before deconvolution. The synthetic assumes a shear wave wavelet polarized in the source-receiver radial direction vertically...

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... reduction technologies will be presented – Ground Roll Buster (GRB) and Curvelet Transform. GRB is a phase-matched filter that attenuates source generated...

Spherical Wave Model Tests of VSP-Based Q-Estimation Techniques

Search and Discovery.com

..., t is the time, n is the number of layers from the source down to the current receiver, αj is the P-wave velocity in layer j, Tj(p) is the Zoeppritz...

Improving Depth Prediction Accuracy of Quantified Drilling Hazards

W. Scott Leaney, William H. Borland

Geological Society of Malaysia (GSM)

... be inverted for the acoustic impedance profile save for a starting impedance scale factor. The wavelet is not a spike, though, due to source...

Finite Difference Modeling: Part II: How to clean numeric time dispersion

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... at offsets 1, 2, 3, 4 and 5 km away from the source, which emits a Mexican hat wavelet into a homogeneous medium. However, when we solve the wave...

Abstracts: Recovery of Low Frequency Data from 10Hz Geophones; #90173 (2015)

Malcolm B. Bertram, Gary F. Margrave

Search and Discovery.com

... created and inverted, then this inverse Butterworth wavelet was convolved with the 10Hz data. This provides a correction to both the amplitude...

Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)

Waheduzzaman Talukder and Ralph Phillip Bording

Search and Discovery.com

... edge (Fig. 1). The source signature shown in the Fig.2, is a single Ricker wavelet with 50Hz. dominant frequency. The computation of all the 2D...

Statistical Relations Between Borehole and Surface Data: ABSTRACT

Dale G. Stone

AAPG Bulletin

... inverse seismograms have generated more direct involvement and vertical seismic profiles provide more positive information on correlation. For relations...

ABSTRACT: Compensating for Seismic Absorption Anomalies with 3-D Q-Tomography and Q-compensating PSDM; #90115 (2010)

Yi Xie, Kefeng Xin, James Sun, Carl Notfors, Barry Hung, and Roger Taylor

Search and Discovery.com

.... Spatial variations and anomalies in the transmission properties of the overburden cause seismic amplitude attenuation, wavelet phase distortion and seismic...

EXTENDED ABSTRACT: Identifying Oil Seep Areas at Seafloor Using Oil Inverse Modeling, by Mano, Manlio; Beisl, Carlos; Landau, Luiz; #90135 (2011)

Search and Discovery.com

Chapter Nine: Inversion and Interpretation of Impedance Data

Rebecca B. Latimer

AAPG Special Volumes

..., accessed November 2009. Lau, K. W. H., R. S. White, and P. A. F. Christie, 2007, Low-frequency source for long-offset, sub-basalt and deep crustal...

Pre-Stack Inversion to Seismic Rock Type Predictability (SRT) Case Study: Gabus Zone 3B in Belanak Field

Baskoro Arif Kurniawan, Maria Fransisca Meirita, Aguslianto Efendy Harahap, Haniva Navilova, Willy Gunary Abadi

Indonesian Petroleum Association

... Proceedings, 2019 Figure 13 - Statistical Wavelet Estimation Before and After Inverse Q Applied. © IPA, 2019 – 43rd Annual Convention Proceedings, 2019...

Abstracts: Ground Roll Attenuation Using LWD; #90173 (2015)

Ken Kocon and M. Sacchi

Search and Discovery.com

.... [email protected] Summary We discuss Local Wavefield Decomposition (LWD) as a method to remove ground roll from controlled source seismic. LWD poses data...

CGG 3D Surface-Related Multiple Modelling: A Unique Approach, #41590 (2015).

David Le Meur, Antonio Pica, Terje Weisser

Search and Discovery.com

... and M the modelled multiples. The symbol `*´ stands for a multidimensional surface-consistent convolution operator, and, s–1 the inverse wavelet...

A 3-D ground-penetrating radar and wavelet transform analysis of the morphology of shoreface deposits in the Upper Cretaceous Ferron Sandstone Member, Utah

Keumsuk Lee, Robert Szerbiak, George A. McMechan, Namsoon Hwang

AAPG Bulletin

... into multiresolution representations by stretching or compressing the wavelet over both spatial frequency and location. The inverse process reconstructs the total...

The Wave Equation Applied to Migration

D. Loewenthal, L. Lu, R. Roberson, J. Sherwood

Southeast Asia Petroleum Exploration Society (SEAPEX)

... by a point source-receiver combination yielding independently recorded seismic traces at some constant increment along the x axis. For simplicity we...

Construction and Application of a Stratigraphic Inverse Model

Timothy A. Cross, Margaret A. Lessenger

Special Publications of SEPM

... of potential reservoir and source and seal rocks We show an example of accurate stratigraphic predictions using inverse modeling of the Mesa Verde Group San...

The use of FWI in coal exploration

Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... selected explosive point sources as our seismic energy type and Ricker wavelet with central frequency f c  80 Hz to represent source function. We applied...

Label-defect tolerance ability of deep learning inversion networks and its applications

Yang Ping, Xu Hunqun, Liu Di, Tao Chunfeng, Wang Chengxiang, Yue Changqing

International Meeting for Applied Geoscience and Energy (IMAGE)

... of well data. In a real data test, we have increased about 4% of the accuracy by our label augmentation method. wavelet and reflection coefficients...

Analysis of potential fields through source decomposition in hypercompact atoms

Marco Maiolino, Luigi Bianco, Giovanni Florio, Maurizio Fedi

International Meeting for Applied Geoscience and Energy (IMAGE)

...Analysis of potential fields through source decomposition in hypercompact atoms Marco Maiolino, Luigi Bianco, Giovanni Florio, Maurizio Fedi Analysis...

A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods

Kriyanti Setiyono, Ken H. Matson

Indonesian Petroleum Association

... process requires information about the source wavelet which is estimated using a minimum energy criterion. Application to Real Data Figure 1.1 shows...

Resolution Improvement Study and Application of 3D Surface Seismic Data using Borehole Seismic Data; #40961 (2012)

Qingfeng Kong

Search and Discovery.com

... • Q calculation by zero-offset VSP • Modified inverse-Q filter • Wavelet deconvolution from zero-offset VSPLOG Stack profile Inverse-Q filter Q Zero...

Understanding Seismic Amplitudes, by Steve Henry, #40135 (2004).

Search and Discovery.com

Delineation of Gas Sands by Seismic Stratigraphy in the Pericocal Area, Orinoco Heavy Oil Belt, Venezuela: Section IV. Exploration Methods

J. Licheri, N. Parra

AAPG Special Volumes

...); it consists of an inverse filter in the time domain where reflection coefficients are obtained using the Burg algorithm (Fig. 9). Later, the wavelet...