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The AAPG/Datapages Combined Publications Database

Showing 33,664 Results. Searched 191,921 documents.

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AVO Analysis and Simultaneous Inversion of Spec Survey Data in Arafura Sea

Feby Hapsari, Irfan Saputra, John Coffin, Liyanto

Indonesian Petroleum Association

... and unconventional) is required for successful exploration. The AVO response is dependent on the properties of P-wave velocity (Vp), S-wave velocity (Vs...


Determination of Density from Seismic Data; #42456 (2019)

Ritesh Kumar Sharma, Satinder Chopra

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... ray curves (lithology indicator) or petrophysical properties, such as porosity and water saturation, compared with P-wave velocity. Usually...


Microseismic Without Dots … Probabilistic Interpretation and Integration of Microseismic Surveys

Ulrich Zimmer

Unconventional Resources Technology Conference (URTEC)

... of a valid PDF function is permissible. As an example, the amplitude of a microseismic phase arrival generally increases with time, i.e. the arrival wavelets...


Understanding the Reservoir Architecture of Lower Fars Formation in North Kuwait through Seismic Reservoir Characterization; #51531 (2018)

Mohamed Hafez Abdul Razak, Jarrah Al-Jenaie, Hesham Moubarak

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..., and fluid. The second phase was carried out by estimating wavelets and generating pre-stack synthetic seismograms that were used for AVO analysis. Once...


Abstract: Improved Reservoir Characterisation from Inversion of High Resolution 3D Seismic Data (Poster 12)

Sagar Ronghe, Mark Sams, Sriyanee De Silva, Julian Sherriff

Geological Society of Malaysia (GSM)

... of rock properties, not influenced by effects of tuning, phase difference and other boundary effects. The short offset re-processing was aimed...


Detection of Fluvial Reservoir Sands Using Rock Physics and Simultaneous Inversion: Case Study from the Gulf of Thailand

Mirza Naseer Ahmad, Philip Rowell

Indonesian Petroleum Association

.... Rock physics analysis was applied to well log data in order to identify lithology sensitive rock properties. Rock physics analysis shows that P...


Abstracts: Application of Fractional Fourier Transform in Cepstrum Analysis; #90173 (2015)

K. H. Miah, R. H. Herrera, M. van der Baan, and M. D. Sacchi

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... Example of Fractional-Cepstrum (FC) A true wavelet is generated by superposition of two Ricker wavelets of different frequencies and phase rotations...


The Role of Forward Seismic Modeling: Outcrop Analogs of Deep-Water Architectures; #51679 (2020)

Jamie K. Pringle, David A. Stanbrook

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... (Ricker) wavelets. Impedance contrasts can be calculated using published velocity and density values for different lithologies and allows...


Physical Basis of Reflection Seismology

Bruce S. Hart

Special Publications of SEPM

... back to the surface were it is recorded . This chapter will briefly review so e of the characteristics of acoustic waves and the physical properties...


Seismic Processing Applications on a Personal Computer

Geophysical Service (Malaysia) Sdn. Bhd.

Geological Society of Malaysia (GSM)

... and transmission properties of the earth. To recover this information the data must be processed to separate the upgoing and downgoing wavefields and the results...


Abstract: Time-Frequency Representation of Microseismic Signals using the Synchrosqueezing Transform; #90187 (2014)

Roberto H. Herrera, Jean-Baptiste Tary, and Mirko van der Baan

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... s(t) with a number of wavelets that are scaled and translated versions of the original mother wavelet. Ws (a, b) are the coefficients representing a concentrated time...


Optimized Well Placement from the Integration of Geoscientific Measurements; #41356 (2014)

Gorka Garcia Leiceaga

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... by analyzing the relationship between well and seismic data. The main inputs include seismic partial stacks, wavelets and low frequency models. Results from...


Crossplots of Nuclear Logging Relationships Aid in Estimating Sizes and Shapes of Sands to Improve Maps

Rob L. Allen

GCAGS Transactions

... energy pulses. Actual directional lithology log wavelets are often difficult to visualize until extracted. Plots of extracted wavelet properties have...


Case History Study of Seismic-Driven 3-D MEM Calibrated with 1-D MEMs and Petrophysics in Arkoma Basin, Oklahoma

Vivek Swami, Julio Tavares, Vishnu Pandey, Tatyana Nekrasova, Dan Cook, Jose Moncayo, David Yale

Unconventional Resources Technology Conference (URTEC)

... bar represents lower to higher values of elastic properties. Seismic angle stacks, wavelets and low frequency models are used as inputs...


Chapter 2: Basics of Reflection Seismology that Relate to Seismic Stratigraphy

Tom Wittick

North Texas Geological Society

..., stiffer rocks have higher acoustic impedances. Figure 2-1. Acoustic Impedance Graph Elastic Constants The properties of the rocks that govern...


Basics of Reflection Seismic Technology

Abilene Geological Society

.... Acoustic Impedance Graph Elastic Constants The properties of the rocks that govern the propagation of sound are the bulk modulus, shear modulus...


From Outcrop Geology to Seismicƒand Back!

Isabelle Lecomte

GEO ExPro Magazine

... convolution modeling before adding proper elastic properties. Back-projecting the modeled seismic and other elements in the VOM is always insightful...


Feasibility Study Methodology for Fracture Analysis Studies Using Seismic Azimuthal Amplitude Variation: Application in Southern Mexico

Alexis Ferrer Balas, Nahum Campos, Jesus Garcia Hernandez

GCAGS Transactions

... to characterize fractures are then identified. Psencik, I., and J. L. Martins, 2001, Properties of weak contrast pp reflection/transmission coefficients...


Rock Physics Inversion: A Montney Case Study, #41295 (2014)

James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson

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... generation d) Simultaneous pre-stack AVO inversion for elastic rock properties e) Rock physics inversion for petrophysical properties The AVO...


Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... wavelets, from 100-200 msecs. in time duration, within local surface spatial superbins each being centered on a uniform Cartesian grid of CDP xline...


Sparse Layer Inversion for Prestack Seismic Reservoir Characterization

Raisya Noor Pertiwi, Muhammad Alwi, Herlan Setiadi, Khairul Ummah

Indonesian Petroleum Association

... cross-plot, while bottom reservoir is represented by the blue dots.     Figure 5 - Amplitude spectra of zero-phase wavelets extracted from...


A Reservoir Characterization Case Study Based on the Structural and Depositional Isochronous Framework; #41187 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Hai Xu

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... and many oilfield development facilities, and the spatial changes of near surface will cause great changes of excitation energy and wavelets (as is shown...


Well to Seismic Ties Modeling with the Adaptive Log Analysis, #40823 (2011)

Ivan S. Deshenenkov, Dmitry A. Kozhevnikov, Kazimir V. Kovalenko

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... technique are characteristics that are directly related to reservoir properties. They can be used to obtain wavelets, restore low-frequency component...


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