Geological Impact of Sediment Transporting Events on the Washington Continental Shelf

Nancy B. Kachel, J. Dungan Smith

CSPG Special Publications

... decrease in mid-depth flow velocity is deposition of a substantial fraction of the Columbia River silt in the form of a lenticular band trending about 7...

Seismic Depth Interpretation in Thrustbelts, by Nancy House, #40131 (2004).

Search and Discovery.com

Imaging below Seafloor Canyons and other Rugose Features

Dominic Fell, Kiran Dyal, Tony Hallam, Sebastian Nixon

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., where velocity updates were performed over the full depth range using tomography in conjunction with geological constraints. The regional starting...

Time-Lapse Imaging of a Hydraulic Stimulation Using 4-D Vertical Seismic Profiles and Fiber Optics in the Midland Basin

Robert Meek, Kevin Woller, Mark George, Robert Hull, Hector Bello, Jed Wagner

Unconventional Resources Technology Conference (URTEC)

... migration. The depth migration used an isotropic eikonal traveltime solution calculated from a single velocity function derived from the zero-offset direct...

Iterative Modeling and Imaging of Seismic Data in Depth to Help Delineate Petroleum Reservoirs in the Utah Overthrust Belt

Alvin K. Benson

Utah Geological Association

... directions, seismic data must be imaged in depth. Subsurface velocity models necessary to form these accurate pictures can be obtained from the data through...

Machine Learning Prediction and the Impact of CO₂ Injection on S-Wave in 20 Years in the Legacy Well Field

Sharif Morshed, Shafiqul Alam Khan, Wu Hao

Unconventional Resources Technology Conference (URTEC)

..., resistivity, and p-wave velocity data for future times are converted using the density porosity, resistivity, and p-wave velocity log (Figure 1...

Crustal Velocity and Sediment Thickness Asymmetries along and between the Conjugate Australian-Antarctic Margins

Joanne M. Whittaker, Alexey Goncharov, Simon E. Williams, R. Dietmar Müller

Petroleum Exploration Society of Australia (PESA)

... and sonobuoy observations. As a result, we obtain velocity-depth functions from sonobuoy/refraction velocity solutions within the areas of the thickest sediments...

Trishear: A Review of Kinematics, Mechanics, and Applications

Stuart Hardy, Richard W. Allmendinger

AAPG Special Volumes

... varies linearly across the trishear zone. The linear version of Zehnder and Allmendinger (2000) is slightly different than Hardy and Ford's (1997) velocity...

High Velocity Zones in Deep Mini-Basin Miocene Sediments, Eugene Island, Northern Gulf of Mexico; #40613 (2010)

Fred F.C. Snyder; N. Biles; L. Den Boer; P. Hooyman; G. Jamieson; C. Sayers

Search and Discovery.com

...High Velocity Zones in Deep Mini-Basin Miocene Sediments, Eugene Island, Northern Gulf of Mexico; #40613 (2010) Fred F.C. Snyder; N. Biles; L. Den...

Understanding Field Performance of Hydraulically Fractured Wells: Comparison of Pressure Front Versus Tracer Front Propagation Using the Fast Marching Method (FMM) and Complex Analysis Method (CAM)

Kiran Nandlal, Chen Li, Ching-Hsien Liu, Venkata Bala Krishnateja Chavali, Michael J. King, Ruud Weijermars

Unconventional Resources Technology Conference (URTEC)

... and uniform in thickness. B) Eulerian particle tracking algorithms: Using Eq.(9) it is possible to calculate the specific velocity field solution throughout...

Joint VTI and Mud Slowness Inversion Using Multiple Modes and Adaptive Weighting

Mark Collins

Unconventional Resources Technology Conference (URTEC)

... plays an important role in seismic imaging of reservoirs; thus, it is desirable to obtain VTI information as a function of depth from acoustic logging...

Collection and Processing of Digitized Acoustic Log Data

R. A. Broding J. L. Poole

CSPG Bulletin

... Average formula contains a term dependent upon fluid velocity. It is natural to speculate on using this term to give a means for identifying fluid types...

Machine Learning Approach to Improve Calculated Bottom-hole Pressure

Esmail Eltahan, Reza Ganjdanesh, Wei Yu, Kamy Sepehrnoori, Ryan Williams, Jack Nohavitsa

Unconventional Resources Technology Conference (URTEC)

... on the remaining 10 wells. We design a cross-validation technique that we use to test multiple configurations of ML architectures using linear regression...

Seismic Studies in the Church Rock Uranium District, Southwest San Juan Basin, New Mexico

William T. Phelps, Robert S. Zech, A. Curtis Huffman Jr.

AAPG Special Volumes

... recovery, first-break muting, deconvolution, and filtering procedures were performed. Amplitude recovery consisted of two steps, a linear gain function...

Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 2: Modelling Results; #90171 (2013)

Arnim B. Haase and Robert R. Stewart

Search and Discovery.com

.... When computing log spectral ratios between depth levels 15 m and 38 m, we find a curve (Figure 3) which clearly is not a linear function of frequency...

Abstract: Velocity for Pore Pressure Prediction Modeling and Risk Assessment; #90256 (2016)

Selim Simon Shaker

Search and Discovery.com

... using seismic velocity (Vp) before drilling and sonic slowness (Δt) while and after drilling are vital for the entire prospect’s economic appraisal...

Difference in overpressure environments for the western and central deep-water Gulf of Mexico

Sharon Cornelius and Peter A. Emmet

AAPG Bulletin

...) using three-dimensional (3-D) prestack depth-migrated seismic data interval velocities calibrated with check-shot data to generate a 3-D density cube...

Population Breaks in Grain-Size Distributions of Sand--A Theoretical Model

Kweku-Mensah O. Sagoe, Glenn S. Visher

Journal of Sedimentary Research (SEPM)

... load. At low velocities (Lower Flow Regime) discharge is directly proportional to average velocity, U, which is a function of depth and shear...

New stability constraints for pseudo-acoustic finite difference TTI modelling and inversion

Rodrigo Fuck, Lorenzo Casasanta, Marcel Nauta

International Meeting for Applied Geoscience and Energy (IMAGE)

... to ad-hoc solutions found in the literature, we propose a new systematic and automated approach to generate shear-wave velocity models needed...

Production Histories: Part 9. Production Engineering Methods

Brent Hale

AAPG Special Volumes

.... With this relationship, the future performance can be forecast either graphically or by using computer models. Flow Systems Either linear flow or radial flow...

Presence of Preferential Flow Paths in Shallow Groundwater Systems as Indicated by Tracer Experiments and Geophysical Surveys

Murray E. Close, David C. Nobes, Liping Pang

Special Publications of SEPM

... of heterogeneity. Aquifer parameters (flow velocity, hydraulic conductivity, dispersivity) were derived from the tracer data using the method of temporal...

New Joint Categorical/Continuous Simultaneous Inversion Technology (Paper C9)

M. Kemper

Geological Society of Malaysia (GSM)

... stack convolve with the corresponding wavelet W(θ), scale (using a/2, b/2 and c/2) and for each partial angle stack incidence angle θ compare...

Abstract: Unraveling Complex Velocity Anomalies -A Case Study in Bahrah Area, Kuwait, by Anjaneyulu Singavarapu, Abdul malik Salah abdulla, Manowar A.M. Ahmed, Sanjeev S Thakur, Hanan Al-Owihan, and Ramarao Busi venkata; #90105 (2010)

Search and Discovery.com

Reconstruction of the Subsurface Reflected Wavefield on a Dense Grid from Multisensor Streamer Data

M. Vassallo, K. Eggenberger, D.J. van Manen, P. Watterson, A. Raskopin, A. Özbek

Indonesian Petroleum Association

... as a function of and the depth of the receiver, and the density of the medium (e.g., the water) In Figure 1, a signal s(x) is filtered by a bank of n...

Dynamics of Sediment Movement

Gerard Middleton, John B. Southard

Special Publications of SEPM

... If we choose the mean velocity is what causes the grains to move. we should also add another variable, depth of flow, because the same mean velocities...