Discrete Fracture Network Generation Using Microseismic Data from a Single Monitoring Well

Xin Yu, Jim Rutledge, Scott Leaney, Chris Chapman

Unconventional Resources Technology Conference (URTEC)

...or all the events of a group. ෝ௥ We can get amplitude ratios by putting equation 2 into equation 1, multiplying by ࢍ் , and dividing by the scalar G...

Biogenic Silica Profiles in the Sediments of Large Tropical lakes: Examples from East Africa

Thomas C. Johnson

Special Publications of SEPM

... that are not addressed in of dissolved silica in the water column that are not addressed in 1 which concerns the long term mass Equation 1, which...

The Role of Positive Feedback in the Development of Internal Oscillations for a Simple, Tightly Coupled, Nearshore Depositional Model

Brian S. Penn, John W. Harbaugh

Special Publications of SEPM

... than two variables more sion involves was created for investigating ideas about coupled h k Kl S Isostatic rlse kl0r I k4r h Equation I...

Elastic full-waveform inversion using OBN data acquisition

Denes Vigh, James Xu, Xin Cheng, Bing Bai

International Meeting for Applied Geoscience and Energy (IMAGE)

... that the field data is dominated with P waves. This approach of FWI can determine parameters related to the acoustic wave equation with a focus on updating...

Service Life of Flexible Riser and Catenary Mooring Systems

Alan B. Hill, Chris C. E. Candy, Michael N. Kakulas

Southeast Asia Petroleum Exploration Society (SEAPEX)

..., attachment elevation, and wave spectrum. Fatigue of mooring lines is also addressed and a proposed model is described. 1. McNatt, T.R. “Deep Water...

Velocity model building from 3D surface seismic data at the Utah FORGE EGS site

Yun-Ha Jung, Nori Nakata, Sea-Eun Park, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

... the expected and first arrival times of seismic waves (Bording et al., 1987). The eikonal equation calculates the travel-time (T) for a wave...

Fault Shadow Correction by Advanced Tomographic Velocity Model Building

Search and Discovery.com

Synthetic Stratigraphy with a Stochastic Diffusion Model of Fluvial Sedimentation

Jon D. Pelletier, Donald L. Turcotte

Journal of Sedimentary Research (SEPM)

... is concentrated in randomly avulsing channels and sediment transport is modeled by the diffusion equation (Culling's model). In contrast...

Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell

Search and Discovery.com

..., High-resolution Imaging by Wave-Equation Reflectivity inversion: 77th EAGE Conference and Exhibition, EAGE, Extended Abstracts, We N103 15. Wang, P...

The Comparative Reliability of Magnetic, Photometric and Microscopic Methods of Determining the Orientations of Sedimentary Grains

Asahiko Taira, Barry R. Lienert

Journal of Sedimentary Research (SEPM)

... discussion of the theoretical aspects of the photometric method. However, we have found that his suggested optimum combination of the incident light wave...

On the Characterization of Porosity and Permeability in Limestones; #120055 (2012)

Philippe Gouze

Search and Discovery.com

... to properties controlling the acoustic wave propagation or the electrical conductivity. Then, the changes of these variables according to hydro-chemical...

An Experimental Study of the Effect of Capillary Condensation on the Geomechanical Properties of Tight Rocks

Aamer Albannay, Amena Alharthi, Abdulla Al Hashmi, Sherif Elazab, Abdulla Al Blooshi, Hassan Al Marzooqi, Muhammad Baig, Binh Bui

Unconventional Resources Technology Conference (URTEC)

... of the phase envelope of a confined fluid, constructed by Alharthy using the Peng-Robinson equation of state and correlations to adjust the critical...

A Novel Method for Experimental Characterization of the Poroelastic Constants in Unconventional Formations

Deepak Gokaraju, Munir Aldin, Akshay Thombare, Abhijit Mitra, Sudarshan Govindarajan, Robert Patterson

Unconventional Resources Technology Conference (URTEC)

... in real time during small perturbations in stress. The use of P-wave velocity or arrival time is evaluated as an effective gauge to capture the rock...

Kriging-based surrogate models for convergence acceleration of Markov chains: An example of magnetotellurics-dix joint inversion

Alejandro Quiaro, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and the resistivity of the rock can approximate the lithology factor. Faust’s equation is  1 Rt 6 Vp = γ Z Rw (2) where the P-wave velocity (Vp...

Geophysical Monitoring with Seismic Metamaterial Contrast Agents

Quin R. S. Miller, H. Todd Schaef, Satish K. Nune, Ki Won Jung, Jeffrey A. Burghardt, Paul F. Martin, Matthew S. Prowant, Kayte M. Denslow, Chris E. Strickland, Manika Prasad, Mathias Pohl, Piyoosh Jaysaval, B. Peter McGrail

Unconventional Resources Technology Conference (URTEC)

.... Seismic P-wave velocity STOMP model for CO2 and determined via Gassmann’s equation using the CO2±MOF [MIL-101(Cr) nanofluid] injection into the subsurface...

Joint inversion of first-break and early-arrival wave for near surface imaging

Yiming Pan, Kai Zhang, Yipeng Xu, Hailin Wang, Ping Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... H. Wang, 2021, First-arrival multi-imformation joint inversion method based on wave-equation: Chinese Journal of Geophysics (in Chinese), 64, no. 7...

Feature template based nonlinear time difference correction for first break automatic picking

Chao Ning, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... to linearize the geometric structure of the first arrival wave. After that, a new method—geometric structure constraint multi-attribute Markov...

Improving subsalt images using reflection FWI on WAZ data: Examples from the Gulf of Mexico

Maksym Kryvohuz, Yihua Cai, Sebastian Ramirez, Robert Schelstrate, Gislain Madiba

International Meeting for Applied Geoscience and Energy (IMAGE)

... for reliable subsalt imaging. Wave equation based model building tools such as full waveform inversion (FWI) proved to be robust for updating...

Sub-seafloor reflectivity estimation by upgoing wavefield deconvolution

Hassan Masoomzadeh, Tim Seher, M. A. H. Zuberi

International Meeting for Applied Geoscience and Energy (IMAGE)

... workflow (Wang et al., 2010). A crucial part of that workflow is the wave field decomposition process. This process involves using both hydrophone...

Deblurring migration images with point spread function filter

Cewen Liu, Nanxun Dai, Wei Wu, Xiaofeng Wu, Mingjie Guo, Haohuan Fu

International Meeting for Applied Geoscience and Energy (IMAGE)

... normalization for wave-equation depth migration: Geophysics, 68, no. 4, 1371–1379, doi: https://doi.org/10 .1190/1.1598130. Tang, Y., 2009, Target...

Facies Mapping from Three-Dimensional Seismic Data: Potential and Guidelines from a Tertiary Sandstone-Shale Sequence Model, Powderhorn Field, Calhoun County, Texas

Hongliu Zeng , Milo M. Backus , Kenneth T. Barrow , Noel Tyler

AAPG Bulletin

... by the following empirical equations: [EQUATION (7)] [EQUATION (8)] [EQUATION (9)] where Vp = P-wave velocity in meters per second (m s-1), ^rgrb = bulk...

Velocity model building and imaging driven by FWI with dual-azimuth data in a complex salt environment: Brazil case study

Xu Li, Christine Gans, Young Ho Cha, Diwi Snyder, Gopal Palacharla, Vijay Gottumukkula, Yaofeng He, Hongchuan Sun, Tetyana Vdovina, Xueyi Jia, Valeriy Brytik, Inmaculada Dura-Gomez

International Meeting for Applied Geoscience and Energy (IMAGE)

... azimuthal well log constrained tomography, iterative full waveform inversion (FWI) leveraging 3D mesh interpretation and wave-equation-based map...

The SDP Dip Plotter

W. S. Hawes

Oklahoma City Geological Society

... yields cross sections in the time dimension only. In addition to the above applications, the plotter may be employed to make wave front charts (equal...

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...

Using Multi-Focusing 3-D Diffraction Imaging to Predict Fracture Swarms in Unconventional Reservoirs

Marianne Rauch-Davies, Alex Berkovitch, Kostya Deev

Unconventional Resources Technology Conference (URTEC)

... of a wave after it meets a discontinuity such as fracture swarms, small amplitude faults and karsts that cause local sharp changes in the geometrical...