Geophysics: Target Shooting for the Drill

A. Easton Wren

CSPG Special Publications

... of a hydrocarbon reservoir and the ability of the seismic method to remote-sense these properties from the surface. Other new developments include...

Seismic Reservoir Characterization of the Bone Spring and Wolfcamp Formations in the Delaware Basin with Efforts at Quantitative Interpretation - A Case Study

Satinder Chopra, Ritesh Kumar Sharma, James Keay

Unconventional Resources Technology Conference (URTEC)

... on this data in three different phases. We discuss phase 1 here, beginning with a brief description of the geology of the area and the stratigraphic column...

Prospect Identification Using AVO Inversion and Lithology Prediction

Brad Bailey, Frazer Barclay, Robert Nesbit, Andrea Paxton

Petroleum Exploration Society of Australia (PESA)

... location of the Keystone study area. in a num ber of discoveries in thi s area, and fluid properties (Figure 2). The inversion Keystone 30 multi-client...

Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)

A. EWAN CAMPBELL and JAN STAFLEU

AAPG Bulletin

... units of the model to be resolved. Convolved Sections The spike sections were convolved with zero-phase Ricker wavelets to produce the synthetic...

Reservoirs Come in All Shapes and Sizes, and Some are More Difficult than Others

Stephen Pickering, Steve McHugo

GEO ExPro Magazine

..., the features of which facilitate precision imaging and preservation of stable seismic wavelets. Point-receiver acquisition systems employ accurate cable...

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

Search and Discovery.com

... 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

Search and Discovery.com

..., 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

Search and Discovery.com

... 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

Search and Discovery.com

... (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

Search and Discovery.com

... 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

Search and Discovery.com

... 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

Search and Discovery.com

... 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...