Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array

Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk

Unconventional Resources Technology Conference (URTEC)

... section. In addition to the DAS VSP data, sonic logs from a pilot well were available, and the resulting 1D P-wave velocity model is shown in Fig. 1...

Cross Ripples in Jodhpur Sandstone, Rajasthan, India: NOTES

Sudhir Basumallick

Journal of Sedimentary Research (SEPM)

.... L., et al, 1956, Hydrodynamics, Dover Publ. GIBSON, A. H., 1909, On the depression of the filament of maximum velocity in stream flowing through...

II. Information Content and Resolution Potential of Seismic Data.

Norman S. Neidell

AAPG Special Volumes

... requires that we first adopt a wave theory viewpoint toward the propagation of a seismic disturbance. Let us first resolve a paradox which appears...

Velocity of P- and S-Waves in Arab-D and WCSB Carbonates

Search and Discovery.com

... preliminary results from P and S wave velocity measurements on several samples under dry and water saturation conditions are presented. These measured...

GCMulticomponent Seismic: A Pragmatist's Primer, by Chris Thompson, #40155 (2005).

Search and Discovery.com

Sediment Dispersal Across Late Cretaceous Shelf, Western Interior Seaway, Northern Utah and Colorado, USA, #50275 (2010)

Gary Hampson

Search and Discovery.com

.... In the lower part of the studied interval, sediment was dispersed via wave-dominated deltaic systems with a “compound clinoform” geomorphology in which...

Full Waveform Inversion for Complex Near-Surface Imaging Using SEG SEAM II Synthetic Model; #42322 (2018)

Ali A. Mohamed, Abdullatif A. Al-Shuhail

Search and Discovery.com

.... In this article, we tested and applied Full Waveform Inversion as a high-end technology in velocity model building and seismic wave migration for imaging complex...

AVO Seismic Technology - Workshop Summary

Brian Russell

PTTC

... velocity and S-wave velocity. Understanding these is necessary to application of AVO technology. Density, P- and S-wave velocity data examples were used...

Diffraction and Refraction on Reflection Seismograph Records as Aids to Fault Interpretation

Miller Quarles, Jr.

GCAGS Transactions

... downward refracting into a high velocity layer. The refracted energy reflects back from the fault face and refracts upwards again with successive wave front...

Case History: Rulison Field, Colorado, Fracture Detection, Mapping, and Analysis of a Naturally Fractured Gas Reservoir Using P-wave Reflection Seismic

Heloise B. Lynn, K. Michele Simon, Vello Kuuskraa, Dave Decker

Four Corners Geological Society

... of the presence of the pay response, regardless of azimuth. The Rulison 3D P-wave data have been processed through a velocity Fractogram, as described by Mallick...

Vp/Vs Ratio from Three Component Zero Offset: An Additional Tool for Pressure Prediction Ahead of the Bit

Carlos Planchart, Carlos Vargas, Raul Cova, Alexander Palacios

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... is the two way time of the downgoing P wave that reflects back as an S-wave from reflector 1; and VS1 , is the shear interval velocity corresponding a VP1...

Broadband Least-Squares Wave-Equation Migration

Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui

Petroleum Exploration Society of Australia (PESA)

...Broadband Least-Squares Wave-Equation Migration Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui Broadband Least-Squares Wave-Equation...

Understanding Azimuthal P-Wave Anisotropy through Multiple Vendor and Attribute Comparisons

Jamie Rich, Breanne Kennedy, Marianne Rauch-Davies

Unconventional Resources Technology Conference (URTEC)

... measures of fracture orientation. Shear wave surveys which exploit the separation of polarization arrivals due to velocity anisotropy, tend to show...

Utilization of Existing Wells in Seismograph Work

Burton McCollum , Wilton W. Larue

AAPG Bulletin

... exists anywhere within a radius of several miles of the well, as shown in Figure 1, the shots from one direction, as S1, will show greater velocity than...

Nearshore Bedform Patterns Along Rhode Island From Side-Scan Sonar Surveys: DISCUSSION

Friedrich Werner

Journal of Sedimentary Research (SEPM)

...., KENYON, N. H., STRIDE, A. H., AND STUBBS, A. R., 1972, Sonographs of the Sea Floor: Amsterdam, Elsevier, 190 p. CLIFTON, H. E., 1976, Wave-formed...

Occurrence of Megaripples in a Ridge and Runnel System, Sapelo Island, Georgia: Morphology and Processes: DISCUSSION

Robert S. Tye

Journal of Sedimentary Research (SEPM)

... during the high-tide stage; 2) pulsating, wave-generated flow in the runnels forming megaripples; and 3) neglect of the importance of tidal currents...

Abstract: Fracturing is Distinctly Revealed by Duplex Wave Migration; #90171 (2013)

Alexander Kostyukevych, I.U. Khromova, N. Marmalevskyi, and Y. Roganov

Search and Discovery.com

...Abstract: Fracturing is Distinctly Revealed by Duplex Wave Migration; #90171 (2013) Alexander Kostyukevych, I.U. Khromova, N. Marmalevskyi, and Y...

Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015)

Dong Shi, Ramin Saleh, Bernd Milkereit

Search and Discovery.com

... tests reverse-time migration based on finite difference (FD) solution of 2D wave equation for applying on synthetic borehole seismic data generated...

The Use of 3-component Seismic Data to Identify Sweet Spots in Fractured Bakken Reservoirs, #40693 (2011)

Scott L. Stockton,

Search and Discovery.com

...., is well below resolution of conventional seismic methods, and • The P-wave response of seismic energy in the fractured vs. non-fractured rock...

Facies-Belt Pinch-Out Relationships in a Distal, Mixed-Influence Shallow-Marine Reservoir Analogue: Lower Sego Sandstone Member, Western Colorado, USA; #50411 (2011)

Berit Legler, Virginia Stacey, Benoit Massart, Howard D. Johnson, Gary J. Hampson, Christopher Jackson, Matthew D. Jackson, Rodmar Ravnas, Marcus Sarginson

Search and Discovery.com

... Lateral and proximal-to-distal facies relationships in mixed, wave- and tide-influenced shallow-marine deposits are poorly documented in both...

Enhancement of Multicomponent Seismic Data; #41778 (2016)

Satinder Chopra, Ritesh Kumar Sharma

Search and Discovery.com

... depth point (CDP) technique (1952) and the transition from 2-D to 3-D P-wave seismic data in the 1980s. Thereafter, the application of repeated 3-D...

Benefits of selective stacking of windowed high-resolution linear radon transform (HRLRT) images from traffic-induced passive-seismic data with the multi-channel analysis of surface waves (MASW) method in Lawrence, Kansas

Julian Ivanov, Richard D. Miller, Dmitry Borisov, Shelby Peterie, Anthony M. Hoch

International Meeting for Applied Geoscience and Energy (IMAGE)

... Establishing shear-wave velocity (Vs) of near-surface materials is useful for estimating stiffness properties; Vs increases as material shear strength...

Ultrasonic Investigation of the Kuala Lumpur Granite, Peninsular Malaysia

Ng Tham Fatt

Geological Society of Malaysia (GSM)

... for their ultrasonic velocities. The P-wave velocity (Vp) of the fresh samples are mainly between 4700 and 5500 ms· l , and S-wave velocity (Vs) between...

Fracture Basement Imaging, Identification, and Characterization Through Separated Wave Field Processing Strategies - A Case Study From Offshore Indonesia

Riaz Alai, Afiq Mokhtar, Yonghe Guo, Hendra Iriansyah Darmawan, M Hilman B Roslan

Indonesian Petroleum Association

...Fracture Basement Imaging, Identification, and Characterization Through Separated Wave Field Processing Strategies - A Case Study From Offshore...

Antidune Cross-bedding In A Large Flume

G. V. Middleton:

Journal of Sedimentary Research (SEPM)

... velocity by the expression u2=gL/2 It follows that if antidune structures can be recognized in sandstone, and if the wave length of the antidune can...