Exact kinematic behavior of the P-SV converted wave in a vertical transversely isotropic medium

Guillaume Cambois

International Meeting for Applied Geoscience and Energy (IMAGE)

... (θp) is 30o and the converted qSv phase angle (θps) is ca. 15o according to Snell’s law (Equation 21). The ray trajectories follow the group angles ϕp...

Optimization of Gas Lift Allocation in Multi-Well System, a Simple Numerical Approach

Ulfia Rahma Fitra, Silvya Dewi Rahmawati, Pudjo Sukarno, Edy Soewono

Indonesian Petroleum Association

...t equation presents the amount of pressure loss at each depth along the production tubing. In this study we use the pressure loss correlatio...

High Resolution Seismic Data Derived From Prestack Inversion and Machine Learning to Accurately Position Horizontal Wells in the Midland Basin, Texas

Robert Meek, Buzz Davis, Hector Bello

Unconventional Resources Technology Conference (URTEC)

... and pilot wells are used to determine an accurate depth and facies model of the subsurface. Carbonate debris flows need to be accurately mapped...

Analysis of the Hydrocarbon Sandstone Distribution Using Rock Physics and Petrophysics Calculations, Simultaneous Inversion, Extended Elastic Impedance (EEI) and Curved Pseudo-Elastic Impedance (CPEI) in X Field Bonaparte Basin

Alfan Hidayah Kusuma, Meta Nisrina Syafitri, Zakki Fahrurrozi

Indonesian Petroleum Association

... of depth domains into the time domain can be done by using well log sonic. However, the sonic velocity in a well seismic tie has several weaknesses...

Analysis of Sonic Well Logs Applied to Erosion Estimates in the Bighorn Basin, Wyoming

Henry P. Heasler , Natalya A. Kharitonova

AAPG Bulletin

... the Wyllie equation (Wyllie et al., 1956, 1958) or other linear equations (Issler, 1992), sonic transit time has been used to define compaction trends...

Application of Anisotropic 3D Reverse Time Migration to Complex North Sea Imaging; #41573 (2015)

M. A. Hall, I. F. Jones, M. C. Goodwin, I. D. Berranger, H. Zhou, P. A. Farmer

Search and Discovery.com

... depth migration is usually performed using a Kirchhoff scheme for modest structural problems with steep dips. For structures where multi-valued ray-paths...

Dip and Azimuth Determination in 3D CRS-Stack

A. Hendriyana, M. Jaya, R. Sule, A.D. Guntara

Indonesian Petroleum Association

... energy while random noise is cancelled in theory. In the surface, those traces not only belong to a one Common-Depth-Point (CDP) but involve several CDPs...

Three-Dimensional Depth Imaging of Seismic Data to Assess Subsurface Geology in Northern Utah and Southwestern Wyoming

Alvin K. Benson

Utah Geological Association

... models based on 3-D information were constructed (figure 13). Using these 3-D depth models for velocity information, a 3-D wave-equation depth image...

Echo phone for direct attenuation indication

Lu Liu, Tong Fei, Fuhao Qin, Yi Luo

International Meeting for Applied Geoscience and Energy (IMAGE)

... by other extrapolation approaches such as ray tracing (Liu et al., 2011), one-way wave equation (Liu, 2019), etc. Here we use two simple models...

Abstracts: General Anisotropic Travel Times … A Purpose Built Solution; #90173 (2015)

R. Phillip Bording

Search and Discovery.com

... to travel times. Introduction The eikonal equation is a non-linear partial differential equation, which has many applications in geophysical modeling...

Chapter 8: Petrophysical Characteristics of the Ivie Creek Case-Study Area - Geological and Petrophysical Characterization of the Ferron Sandstone for 3-D Simulation of a Fluvial-Deltaic Reservoir (MP-02-6)

R.D. Jarrard, M.A. Chan, C.B. Forster, S.H. Snelgrove

Utah Geological Survey

..., and (2) gradual porosity increase and velocity drop with decreasing depth (increasing exhumation). The wide ranges for porosity and velocity...

Abstract: Reservoir Characteristics of a Quaternary Channel: Incorporating Rock Physics in Seismic and DC Resistivity Surveys; #90211 (2015)

Jawwad Ahmad and Douglas Schmitt

Search and Discovery.com

... scenarios were calculated using Gassmann’s equation. Velocity – porosity and clay content trends were used to link sedimentological and rock physics...

Combining PSDM and Seismic Modeling to Reduce Uncertainties in Time Structural Interpretation

William Agudelo, José Fernando Gamboa, Saúl Guevara, Carlos Piedrahita, Luis Ernesto Rojas, Martín Morales, Héctor Alfonso

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... settings, such as thrust faults and velocity inversions. In many cases little or not borehole information is available at target depth, so...

The Prediction of Strength in the Sediments of St. Andrew Bay, Florida

C. W. Holmes, H. G. Goodell

Journal of Sedimentary Research (SEPM)

... with 0 being the intercept value for the total equation. Only three variables, the percentage of water in the sediment, the depth in the core...

Utilizing Full Waveform Inversion to Improve Reservoir Imaging and Inversion in East Breaks, Gulf of Mexico

Search and Discovery.com

A Quantitative X-Ray Diffraction Technique Applied to Fine-Grained Sediments of the Deep Gulf of Mexico

S. B. Devine , R. E. Ferrell, Jr., G. K. Billings

Journal of Sedimentary Research (SEPM)

... PERCENTAGE CALCULATIONS FROM X-RAY DIFFRACTION PEAK INTENSITIES Peak intensities were converted to mineral weight percentages by adapting the equation...

Theoretical and experimental study of acoustic and electrical properties in tight-oil rocks: A case study

Mengqiang Pang, Jing Ba

International Meeting for Applied Geoscience and Energy (IMAGE)

... reservoir to obtain the rock mineralogy and pore structure by X-ray diffraction and casting thin sections. Then, ultrasonic and resistivity experiments...

DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

... corresponding to the ray from source to reflector and to receiver is a function of tm (migrated time scale that corresponds to depth). But when doing NMO...

Sonic Velocity in Carbonates„A Combined Product of Depositional Lithology and Diagenetic Alterations

Flavio S. Anselmetti, Gregor P. Eberli

Special Publications of SEPM

... of more that affect porosity and core borings in sediments not afunction of burial depth Velocity 1 the depositional lithology...

P-wave velocity inversion with average velocity analysis method

Yan Yuefeng, Jing Shaodong, Wang Yingwei, Zhong Chuhan

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the application of P-wave velocity is more significant. It is shown that Poisson’s ratio is sensitive to the wavelength (W)/depth (D) relationship...

High Performance Seismic Data Migration for High Resolution Interpretation

C. N. Chernoff

Indonesian Petroleum Association

.... I. Steep Dip Areas "Time" wave equation migration programs have problems in handling steep dips, complex structures, complex velocity distributions...

Three-Dimensional Depth Imaging of Seismic Data, with Examples from the Overthrust Belt of Southwestern Wyoming

Alvin K. Benson

Wyoming Geological Association

... (a) the complications produced by rapid lateral velocity changes, velocity pull-up, etc., and (b) the necessity of using a depth imaging process versus...

Travel-time tomography for joint velocity and transducer location estimation

Edan Gofer, Raanan Dafni, Albert Shalumov, Ramon Axelrod, Moshe Oziel, Pinny Chaviv

International Meeting for Applied Geoscience and Energy (IMAGE)

... and the observed arrival times is solely a function of the velocity error, 𝑗 𝑗 𝑟𝑖 = ∫𝑖 𝛿𝑢(𝑥1 , 𝑥2 , 𝑥3 )𝑑𝑠. (2) Equation 2 represents...

Abstract: Near-surface Issues in TTI Wave Equation Migration from Topography; #90171 (2013)

Chuck Ursenbach, Richard A. Bale, and Samuel H. Gray

Search and Discovery.com

... [email protected] Summary Wave-equation migration, which uses more accurate wavefield extrapolation techniques than ray-based Kirchhoff...

Determination of Organic Content of Appalachian Devonian Shales from Formation-Density Logs: GEOLOGIC NOTES

James W. Schmoker

AAPG Bulletin

... are proportional to changes in organic content, and the gamma-ray log provides an independent indication of the amount of organic matter present. A linear relation...