The impact of seismic nodes on enhancing subsurface imaging for mining „ A case study over the Tamarack Nickel field

Eamonn Murray, Andrew Stone, Celina Giersz, Amine Ourabah, Brian Bengert

International Meeting for Applied Geoscience and Energy (IMAGE)

... that the difference between the input and synthetic first break picks are minimized. A P-wave velocity model of the nearsurface is output, to a depth limited...

Variations of Density and Porosity with Depth in Deep-sea Sediments

Edwin L. Hamilton

Journal of Sedimentary Research (SEPM)

..., Lab). Regression equation for in situ curve under Table 2. Bottom: porosity versus depth in radiolarian ooze, Central Pacific. Symbols (same as top...

Complexity of Pore Pressure and Stress Analyses in Mahakam Median Axis of the Lower Kutai Basin, Kalimantan, Indonesia

Roni Herdiyanto, Joe-Anderson Siadary, Dhanny Fadlan

Indonesian Petroleum Association

... pressure distribution has been determined by correlating pressure profiles to the response of interval velocity by depth. PORE PRESSURE AND MINIMUM...

Comparison of Marcellus Fracturing Using Azimuthal Seismic Attributes Versus Published Data From Outcrop Studies

Tanya L. Inks, Terry Engelder, Jacki S. Hocum, Bruce Golob, Darien O'Brien

Unconventional Resources Technology Conference (URTEC)

... and depth scales shown are for local datums. Azimuthal Anisotropy Seismic anisotropy refers to variation in elastic wave propagation velocity...

Integrated Petrophysical Methods for the Analysis of Reservoir Microarchitecture—a Kansas Chester Sandstone Case Study

John H. Doveton

Kansas Geological Society

... Interpretation Although the Pickett plot provides a geometrical realization of the Archie equation, the important variable of depth is suppressed...

Abstract: Improving Images below Shallow Gas Clouds with Full Waveform Inversion, Q Tomography and Q Migration: A Case Study from Offshore Myanmar; #90246 (2016)

Xiaodong Wu, Jingyu Li, Joe Zhou, Ronan Petton, Ian Anstey, Wai-Leong Lai

Search and Discovery.com

... serious wavefield distortion and amplitude loss. Standard ray-based tomography generally fails to capture the detailed velocity variation within...

Gas Production from an Apparent Low SaturationŽ Zone with a Strong Seismic Amplitude Anomaly

Retno Wijayanti, Ludy Andria, Miftahul Firdaus, Agung Ertanto, Lukman Hidayat, John D.E. Hughes, Agus Sulistiarso

Indonesian Petroleum Association

... ray values with serrated log patterns indicating a silty reservoir. Conventional petrophysical analysis using standard shaly sand log analysis...

High-resolution seismic detection of shallow natural gas beneath Hutchinson, Kansas

Susan E. Nissen, W. Lynn Watney, Jianghai Xia

Environmental Geosciences (DEG)

... shales. Gas in fractures can reduce the velocity of the dolomite interval to that of the shales (or lower). Depending on the magnitude of the velocity...

Use of Multiple Log Curves to Predict Permeability in a Dolomite Reservoir, San Andres of Welch Field, Dawson County, Texas

Gregory D. Hinterlong

West Texas Geological Society

... Kozeny equation from log data. By utilizing data from the Rxo, bulk density (combined with a photoelectric or acoustic), and gamma ray curves, inputs...

Strike Oriented, Swath Seismic and Its Potential Application to Exploration and Development in the Papuan Fold and Thrust Belt

William F. Robinson IV

Papua New Guinea (PNG) Petroleum Convention Proceedings

... velocity can be used to compute the ray length (also known as slant path depth). The orientation and length of the ray define the coordinates...

ABSTRACT: A New Core Measurement Methodology to Quantify Total Gas Storage; #90122 (2011)

Richard Sigal, Yucel Akkutlu, Seung Mo Kang, and Ray Ambrose

Search and Discovery.com

...ABSTRACT: A New Core Measurement Methodology to Quantify Total Gas Storage; #90122 (2011) Richard Sigal, Yucel Akkutlu, Seung Mo Kang, and Ray...

Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia

Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure

International Meeting for Applied Geoscience and Energy (IMAGE)

... option involves the use of seismic anisotropy attributes derived from azimuthal variations of seismic velocity, AVO Gradient or Vp/Vs ratio. Assuming...

A Review of Well Log Interpretation Techniques for Carbonate Reservoirs of South-East Asia

P. Cooke-Yarborough

Southeast Asia Petroleum Exploration Society (SEAPEX)

..., particularly natural gamma ray spectroscopy and formation testing by wireline methods. Much of this advance has been in the last five years, in large part...

Characterization of Major Unconformities by Paleothermometric and Paleobarometric Methods: Application to the Mackenzie Plain, Northwest Territories, Canada

Shimon Feinstein, Dale R. Issler, Lloyd R. Snowdon, G. Keith Williams

CSPG Bulletin

... could be identified and eliminated using observed variations in well log response (high gamma ray, low velocity), rock sample descriptions and Rock...

Structure of Upper Cenozoic Strata Beneath Kodiak Shelf, Alaska

Michael A. Fisher, Roland Von Huene

AAPG Bulletin

... of straight-line segments about 1 km long. The program requires the assumption of linear velocity variation with depth. That variation, derived from stacking...

Abstract: Wavepath Tomography for Complex Velocity Areas, by Dimitri Bevc, Moritz Fliedner, Morgan Brown, and Biondo Biondi; #90077 (2008)

Search and Discovery.com

High Resolution, Super Efficient Wide Azimuth Beam Tomography for Velocity Model Building

Search and Discovery.com

Suppression of coherent and random noise using adaptive thresholding method in seismic-while-drilling

Yue Ma, Yujin Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... as [𝑣 𝑚𝑖𝑛 , 𝑣 𝑚𝑎𝑥 ]. For a given velocity 𝑣 ∈ [𝑣 𝑚𝑖𝑛 , 𝑣 𝑚𝑎𝑥 ], and any zero-offset time 𝑡0 , a linear event in the time-offset window along the following...

Prediction of Abnormal Pressure Based on Seismic Data: A Case Study of Exploratory Well Drilling in Pertamina UEP I and UEP II Work Areas

P. Manik, P. A. Soedaldjo

Indonesian Petroleum Association

... of lithology involved. The "tentative mud weight curve" which we make, based on the interval velocity, represents the relationship between depth...

Geological Considerations during Microseismic Monitoring, Processing, and Interpretation of Hydraulic Fracture Treatment

J. Le Calvez, S. Hanson-Hedgecock, P. Primiero, T. Al-Wadhahi, O. Harrasi

Unconventional Resources Technology Conference (URTEC)

..., but recorded acoustic emissions are processed assuming a flat velocity model, mapped events will be erroneously located. If a formation is naturally...

A Breakthrough of Bekapai Converted S-Wave Processing and its Positive Impact to Structural Interpretation

Effendy Siawira, Andy Kristianto, Jaques Bonnafe, Natalia Anggriani, Cepi M. Adam, Zainal Abidin, Firman B. Kurniawan, Supriady, Claudio Strobbia, Yang Liu, Youning Li, Xiagui Miao, Libo Zi, Guishui Wang

Indonesian Petroleum Association

... patterns by doing ray tracing along the exact ray paths. The P-wave depth migration was performed at first, which involved FWI shallow velocity model...

Stop Treating Diffractions as Noise … Use them for Imaging of Fractures and Karst; #120057 (2012)

Mark Grasmueck, Tijmen Jan Moser, and Michael A. Pelissier

Search and Discovery.com

... Penetrating Radar (GPR) outcrop imaging and Ray-Born synthetic modeling helps in deciphering the signatures of unmigrated diffractions. ● Seemingly...

Chapter 8: Impact of Depositional and Diagenetic Heterogeneity on Multiscale Mechanical Behavior of Mancos Shale, New Mexico and Utah, USA

Hongkyu Yoon, Mathew D. Ingraham, Joseph Grigg, Benjamin Rosandick, Peter Mozley, Alex Rinehart, William M. Mook, Thomas Dewers

AAPG Special Volumes

... can represent a more heterogeneous ray path, crossing more and larger pores or other low shear velocity media (i.e., clays). The above interpretation...

An Experimental Investigation of the Anisotropic Dynamic and Static Properties of Eagle Ford Shales

Yang Wang, De-Hua Han, Luanxiao Zhao, Abhijit Mitra, Samir Aldin

Unconventional Resources Technology Conference (URTEC)

... or nearly hydrostatic as the first order to characterize the shale velocity anisotropy (Vernik and Nur, 1992; Vernik and Liu, 1997). However, in most cases...

A seismic and petrophysics-guided approach to subsurface characterization of the NW Limerick Syncline in the Irish Zn-Pb Orefield

Victoria Susin, Aline Melo, Koen Torremans, Murray Hitzman, Mark Holdstock

International Meeting for Applied Geoscience and Energy (IMAGE)

... the entire area, consistent Figure 3. a) Seismic depth section with the P-velocity logs for drill holes used in the study. b) Interpreted strip log...