Integrating Experiments and Well Logs to Predict Caney Shale Static Mechanical Properties During Production with Supervised Machine Learning

Sherif M. Kholy, Hunjoo P. Lee, Mileva Radonjic

Unconventional Resources Technology Conference (URTEC)

... of our study is to evaluate the impact of effective stress on the dynamic Young’s modulus using ultrasonic velocity measurements for Caney shale samples...

Sonic Saturation Inversion and AVO Modeling in the Tunu Gas Field

Patrick Fouchard, Scott Leaney, Sugimin Harsono

Indonesian Petroleum Association

... into the formation because of the velocity gradient set up by the invasion profile. Hornby (1993) has used sonic travel time tomography to invert for such a radial...

Seismic Reflections from a Lau Basin Magma Chamber

Janet L. Morton, Norman H. Sleep

Circum Pacific Council Publications

... of this effect, we computed synthetic common midpoint gathers by raytracing through two velocity models: one with two flat layers representing...

Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)

Peter W. Cary, Albert Zhang

Search and Discovery.com

.... The effect of velocity ratio error on the move-out is much less than the effect of vc error. In PS-converted wave data processing the values...

Elastic-AdjointNet: A physics-guided deep autoencoder to overcome crosstalk effects in multiparameter full-waveform inversion

Arnab Dhara, Mrinal Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the misfit with respect to the velocity model parameters is calculated using the adjoint state method. The adjoint state gradient is then used to update...

ABSTRACT: Using the Depth-Velocity-Size Diagram to Interpret Equilibrium Bed Configurations in River Flows, by John B. Southard; #91003 (1990).

Search and Discovery.com

Analysis of Hydrodynamic Factors in Petroleum Migration and Entrapment

Richard W. Davis

AAPG Bulletin

... to the aquifer bedding planes. Correcting to obtain the horizontal component, EQUATION (7) where ^dgrvh/^dgrvf = potentiometric gradient parallel to the bedding...

Crosswell Seismic: Review of Field Operations, Survey Planning and Case History

Jeff Meyer, Randy Evans, Robert Martin, Cynthia L. Welch

West Texas Geological Society

... reservoirs, in-fill and horizontal drilling opportunities are abundant. With proper survey planning, acquisition and processing full value of the crosswell...

Hydraulic Fracture Conductivity as a Function of Proppant Concentration Under Various Effective Stresses: From Partial Monolayer to Multilayer Proppants

Ming Fan, Yanhui Han, Cheng Chen

Unconventional Resources Technology Conference (URTEC)

... velocity magnitude distributions within the horizontal, 2D central cross section, when the effective stress was 10 psi and 2200 psi. Flow velocity...

Mantle Creep: Elasticoviscous Versus Modified Lomnitz Law, and Problems of "The New Global Tectonics"

Paul S. Wesson

AAPG Bulletin

..., phase changes, the low-velocity layer and phase changes, and convection currents. To put the plan into effect without bias entails harboring...

Chapter Five: Reservoir Identification

Alistair R. Brown

AAPG Special Volumes

... in Geophysics, No. 8, 348 p. Clark, V. A., 1992, The effect of oil under in situ conditions on the seismic properties of rocks: Geophysics, v. 57, p...

6.0 Comments on Previous Chapters

P. E. Gretener

AAPG Special Volumes

... the effect of a pre-existing fracture, or discontinuity with low or zero cohesion. On top the real world is shown, a sample with two fractures at different...

Enhancing Reservoir Imaging and Monitoring Using Crosswell Seismic

Sanjeev Dogra, Ajay Nalonnil, Bruce Marion

Indonesian Petroleum Association

... the efficiency of these strategies is paramount. In these examples, crosswell seismic has been able to successfully monitor the injection through velocity...

Optimal transport for elastic source inversion

Tyler Masthay, Björn Engquist

International Meeting for Applied Geoscience and Energy (IMAGE)

... convexity, has been shown to significantly ameliorate cycle skipping for acoustic velocity inversion. Furthermore, it has spurred the development...

Facies and Stratigraphic Controls on Velocity Anomalies in The North Madura Platform, Offshore East Java Basin

Fithra Harris Darmawan, Shakila Bt Mustaffa, Aditya Kusuma Wijaya, M Nauvall Juliansyah, Geovani Kaeng

Indonesian Petroleum Association

... in the North Madura Platform: vertical velocity variation, lateral velocity variation, pull-up effect, and push-down effect. These phenomena have affected...

Retrieving high-resolution acoustic impedance using full-waveform inversion in presalt reservoir setting, offshore Brazil

Akshat Abhishek, Alok K. Soni, Rene-Edouard Plessix, Martijn Blaauw, Jaydip Guha, Gautam Kumar

International Meeting for Applied Geoscience and Energy (IMAGE)

... amplitude effect in the reflected wavefield, we require viscoelastic anisotropic FWI formulation. Unlike convolutional inversion, this inversion...

Derivation of Seismic Depth Sections

H. Buchholtz, W. Houba

Geological Society of Malaysia (GSM)

.... homogeneity and horizontal velocity interfaces. Refraction is considered in a very incomplete manner. Hubral introduced the so-called image ray (Fig. 1...

Elastic FWI imaging of a complex presalt structure using NATS data

Arthur Henrique, Luiz Felão, Sergio Barragan, Florian Jouno

International Meeting for Applied Geoscience and Energy (IMAGE)

... generates strong horizontal and lateral impedance contrasts, resulting in poor illumination of the pre-salt targets. The data set was acquired using...

Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction

Zhishuai Zhang, James W. Rector, Michael J. Nava

Unconventional Resources Technology Conference (URTEC)

... to the large uncertainty in polarization. Due to shale’s low velocity nature and the configuration of horizontal stimulation and monitoring wells, the head...

Field Scale Proppant Transport Simulation and Its Application to Optimize Stimulation Strategy

Rui Kou, George J. Moridis, Tom Blasingame

Unconventional Resources Technology Conference (URTEC)

... simulation domains describing a HF arrested by a NF (with 45⁰ and 90⁰ intersection angles). The focus of our study is to determine the effect of the NF...

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

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... of as a function of time t, is the surface wave the horizontal wavenumber, and r is the sourcereceiver offset. GRB accounts for the effect of dispersion...

Potential Issues with Extreme Limited Entry in Horizontal Wells

Robert D. Barree

Unconventional Resources Technology Conference (URTEC)

...-contracta effect. Figure 1. Pressure and velocity in a linear orifice-plate flow meter, showing pressure changes across a flow restriction. URTeC...

Velocity Analyses of Near Seafloor Strata Based on Multichannel Seismic Data from the Tonga Platform

Jeffrey E. Cole, Dennis M. Mann

Circum Pacific Council Publications

... and the effect of the strong multiple. VELOCITY ANALYSES CDP gathers, and laboratory velocity measurements from dredged rock samples. For the first...

Seismic Geomorphology and Evolution of Submarine Channels from the Angolan Continental Margin

M.J.R. Gee, R.L. Gawthorpe, K. Bakke, S.J. Friedmann

Journal of Sedimentary Research (SEPM)

...-gradient reaches within intra-slope basins. Synsedimentary deformation also has a major effect on the location and planform geometry of the channels...

Characteristics of Velocity-Porosity Relationships in the Baturaja Limestone Reservoir: A Case Study in the South Sumatra Basin

Muhamad Noor Ali

Indonesian Petroleum Association

... increasing of adsorption effect. The properties of reservoirs such as porosity and fluid content affect velocity and bulk density. Wireline logging is used...