Abstract: Predicting Pore Pressure from Porosity and Velocity, by D. Moos; #90923 (1999)

Search and Discovery.com

The Geometry and Dynamics of Low-Relief Bed Forms in Heterogeneous Sediment in a Laboratory Channel, and their Relationship to Water Flow and Sediment Transport

Sean J. Bennett , John S. Bridge

Journal of Sedimentary Research (SEPM)

... then used to calculate the depth-average velocity U and the local bed shear stress w calculated from the Karman-Prandtl law of the wall (using only...

Structural Geophysics and the Simpson in Oklahoma

John J. Rupnik

Tulsa Geological Society

... allows a correct identification of reflections using nothing more than the given tops at the key wells. Velocity surveys are always useful, and sonic...

Realistic synthetic data generation using neural style transfer: Application to automatic fault interpretation

Min Jun Park, Joseph Jennings, Bob Clapp, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

... randomly and iteratively updated using gradient descent. As stated, the objective function is a linear combination of Lc and Ls . In this abstract, we...

Impact of Shear Velocity Estimation on Wellbore Stability

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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)

... background velocity model. Then, we apply 3D full-waveform inversion to estimate detail velocity structures using far-offset reflection data. Comparing...

Investigations of Libyan Upper Mantle Anisotropy and Crustal Structure Using Shear Wave Splitting and Receiver Function Analyses

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North West Shelf 3D Velocity Modeling

Laureline Monteignies, Cedric Magneron, Natalia Gritsajuk

Petroleum Exploration Society of Australia (PESA)

... of the depth uncertainty far from the wells of ~100m. The merge velocity cube has been calibrated to the wells by using a 3D kriging with external drift...

Acoustic and Related Properties of Calcareous Deep-Sea Sediments

Edwin L. Hamilton, Richard T. Bachman, Wolfgang H. Berger, Thomas C. Johnson, Larry A. Mayer

Journal of Sedimentary Research (SEPM)

... Institution. Sound velocity in the samples was measured at about 200 kHz using a pulse technique; estimated margins of error were about ±5 m...

Reservoir Characterization Enhancement through Integrated Wellbore-Reservoir Flow Model and Pressure Transient Analysis (Paper P20)

K. Khadivi, R. Masoudi, M. Soltanieh, F. A. Farhadpou

Geological Society of Malaysia (GSM)

.... In this work, a methodology has been proposed using an integrated wellbore-reservoir model, which has been coupled with the numerical pressure...

Intra-Muda Shallow Gas in Cumi-Cumi PSC, Natuna Sea - a Driller's Nightmare Becomes a Geophysicist's Dream

Martin Bennett

Indonesian Petroleum Association

... using this linear trend (Figure 7) shows an anomalous area coincident with the structural closure. Figure 5. Dix interval velocity map for the Muda sands...

Abstracts: Determining Microseismic Event Locations by Semblance-weighted Stacking; #90173 (2015)

David W. Eaton, Jubran Akram, Andy St-Onge, and Farshid Forouhideh

Search and Discovery.com

... using an efficient ray-bending algorithm that is robust in the presence of large velocity gradients and strong velocity contrasts at layer boundaries...

Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

... of water-column reverberations using pressure and velocity detectors in a water-bottom cable: 59th Annual International Meeting, SEG, Expanded Abstracts...

Abstract: Low-frequency vibroseis acquisition experiment in Saudi Arabia; #90254 (2016)

Nabil Khadiri Yazami, Van C. Do, Waleed N. Omar, Thierry L. Tonellot

Search and Discovery.com

... s from 1.5 Hz up to 125 Hz. Starting from a simple 1D model, velocity estimated with full waveform inversion resulted in a reliable depth velocity image...

S-transform based processing of noisy surface wave record for recovering high-resolution spectrum

Sayan Mukherjee, Mrinal Bhaumik, Tarun Naskar

International Meeting for Applied Geoscience and Energy (IMAGE)

...ercept of the frequency function. 1 2 3 4 Shear wave velocity, 𝑉𝑠 (m/s) 300 200 400 600 Poison's ratio, 𝜈 0.33 0.33 0.33 0.33 Density, 𝜌 (kN/m3) 20 20...

Velocity Anisotropy Estimation in the Vertical Plane Using VSP Data

A. Kebaili, D. R. Schmitt

CSPG Special Publications

...Velocity Anisotropy Estimation in the Vertical Plane Using VSP Data A. Kebaili, D. R. Schmitt 1994 256 257...

Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia

Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran

Indonesian Petroleum Association

.... Figure 3. Prestack depth imaging work flow used to migrate the study line. The initial interval velocity/depth model is derived using tomographic...

An Analytic Approach to Sweetspot Mapping in the Eagle Ford Unconventional Play; #80406 (2014)

Murray Roth, Michael Roth, Ted Royer

Search and Discovery.com

... the predictor transforms until an optimized solution has been achieved. The non-linear predictor model for estimating production, using a subset of wells, has...

Hydraulic Sorting of Heavy-Mineral Grains by Swash on a Medium-Sand Beach

Michael G. Hughes, Jock B. Keene, Rebecca G. Joseph

Journal of Sedimentary Research (SEPM)

..., is the bed shear stress, and is a nominal length for the fluid element. Eq 1 can be integrated using separation of variables to yield the velocity, Us...

Mixing at Turbidity Current Heads, and Its Geological Implications

J. R. L. Allen

Journal of Sedimentary Research (SEPM)

... of the current (x = 0) the disturbed ambient FIG. 6. The discharge into the region of the head of a gravity current as a function of the velocity ratio k1...

Deep Pore Fluid Pressure Prediction in Challenging Areas, Malay Basin, SE Asia

Stephen O’Connor, Richard Swarbrick, Jamaal Hoesni, Richard Lahann

Indonesian Petroleum Association

... transfer). Conventional porosity-based pore pressure analysis using sonic/seismic velocity and resistivity data as a measure of porosity retention, under...

Velocity Anomalies and Out-of-Plane Reflections in Barnicarndy 1, Canning Basin

Y. Zhan

Australian Petroleum Production & Exploration Association (APPEA) Journal

... profile was consistent with lithological packages and reasonably matched the sonic velocity, this study used the VSP relative time-depth function...

The Effects of Sediment Transport on Grain-Size Distributions

Patrick McLaren, Donald Bowles

Journal of Sedimentary Research (SEPM)

... that t(s) is a function which increases (on a phi scale) or decreases (on a millimeter or linear scale) monotonically; that is, smoothly and continuously.(FOOTNOTE 2...

Can Friction Reducers Transport Sand During Fracturing Treatment?

Lingjuan Shen, Leonid Vigderman, David Heller, Diankui Fu

Unconventional Resources Technology Conference (URTEC)

... concentrations of 2, 4, 6 and 8 gpt (gallons per thousand gallons) using advanced rotational rheometer. For comparison purpose, viscosity of linear guar was also...

General Threshold for Sediment Transport Induced by Mounds

J. Stephen Fries

Journal of Sedimentary Research (SEPM)

...-averaged velocity, g is gravitational acceleration and h is flow depth. Restricting cases to those with flow below Shields' threshold isolates conditions...