Enhancing PSDM via Well Data Derived from Gradient Boosted Trees Machine Learning

Marianne Rauch, Mike Perz, Sathiya Namasivayam, Ritesh Sharma

Unconventional Resources Technology Conference (URTEC)

...Enhancing PSDM via Well Data Derived from Gradient Boosted Trees Machine Learning Marianne Rauch, Mike Perz, Sathiya Namasivayam, Ritesh Sharma URTeC...

Fluid Flow

Gerard Middleton, John B. Southard

Special Publications of SEPM

... and normal-to-boundary component y of instantaneous fluid velocity in turbulent flow past a solid boundary. The horizontal line representing the mean...

Time Depth Conversion of a Prospect With Near-Surface Velocity Anomalies Using Stacking Velocites and PSDM Velocities: A Comparison

Tan Boon Hua, Lothar Schulte

Indonesian Petroleum Association

... effect of the seismic interpretation. Therefore it is necessary to capture the velocity anomalies as accurately as possible for the time depth...

Some Relations Among Sedimentation, Stratigraphy, and Seismic Exploration

W. C. Krumbein

AAPG Bulletin

... OF SEISMIC VELOCITY WITH DEPTH Weatherby and Faust (1935) furnish data on the effect of depth of overburden on seismic velocity. A Pennsylvanian section...

Pre-Stack Calibration to Well Data: Intercept & Gradient Scaling … A Case Study From the Norwegian North Sea

Nguyen Nam, Larry Fink

Indonesian Petroleum Association

.... The effect of applying a gradient scalar is to stretch or squeeze the dataset vertically. Combining both scalars, it appears that the scale of the real...

Relating Seismic Time to Geological Datum: ABSTRACT

James L. Porter

AAPG Bulletin

... are introduced. Three types of errors are inherent in correcting seismic time to a horizontal datum. These are: (1) if velocity is inaccurate, each change...

Elastic and Absorption Properties of Rocks and Their Use in Direct Exploration for Oil and Gas

T. Z. Verbitskiy

Petroleum Geology: A Digest of Russian Literature

..., this decrease is 6-46%. With further increase in gas saturation of the rock, the velocity of the longitudinal waves increases with a gradient...

Quantification of Dynamic Sand Settling Velocity in High-Viscosity Friction Reducers and Correlation with Rheology

Y. Thomas Hu, Chris Popeney, Chad Gilmer, Pious Kurian

Unconventional Resources Technology Conference (URTEC)

... In order to predict sand transport in the fracture, the velocity of sand settling under horizontal shear flow (dynamics settling) was quantified...

ABSTRACT Geopressure Impact on Seismic Interpretations: Case Histories from the Gulf of Mexico , #90104 (2010)

Shaker Selim S.

Search and Discovery.com

... of subsurface geopressure on seismic velocity is significant, but not well documented. Understanding how this effect influences seismic  attributes...

AAPG Memoir 76, Chapter 15: Forward Modeling of Log Response in Geopressured Formations Reveals Valuable Insights to the Various Pore-Pressure Prediction Techniques

J. C. Rasmus

AAPG Special Volumes

... pressure estimation from velocity data: accounting for overpressure mechanisms besides undercompaction: International Association of Drilling...

Geothermal Exploration from Deep-Well Data

William F. Tanner

GCAGS Transactions

... temperatures were used as the basis for several kinds of maps: geothermal gradient, temperature at 1,000 m, temperature at 2,000 m, and depth to 100...

Multiphase Flow Simulation of Horizontal Well Artificial Lift and Life-of-Well Case Histories: HEAL System Modeled in PipeFractionalFlow

Anand Nagoo, Jeff Saponja, Trystan Wall, Kevin Eike, Mukul Sharma

Unconventional Resources Technology Conference (URTEC)

... and 5, the simulator results show in a simple, clear and unambiguous way the effect of horizontal wellbore inclination in its ability to reliably...

Abstract: Determining the Structure of Basalt Flows with Wide-Angle Seismic Data, by M. M. Fliedner, R. S. White, and J. Fruehn; #90923 (1999)

Search and Discovery.com

Seismic Modeling and Expression of Common Fold-Thrust Belt Structures; #42266 (2018)

Jianjun Li, Shankar Mitra

Search and Discovery.com

... because the horizontal velocity differences within the fold. Below the frontlimb, there is a stair case pull up effect because of the lateral increasing...

The Fabric, or Internal Structure, of Rocks … The Patterns of Anisotropy; #42188 (2018)

Heloise B. Lynn

Search and Discovery.com

... to the bedding plane, the P wave velocity will be slower. Figure 2 presents schematically the symmetry terms. Transverse isotropy with a horizontal axis, HTI...

The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

... wave energy. This made early FWI applications suitable for shallow water and shallow data environments. In addition to the local velocity gradient...

Rock Physics Study of Coal Bed Methane Reservoir Rock: Case Study of Muaraenim Coal

Bagus Endar B. Nurhandoko, Susilowati, Usep M. Ishaq, Hussein Rudiyanto, Y. Wiyanto, Budi Sulistyanto, Mahatman L. Budi, Kaswandhi Triyoso, KiskoRiondo Siahaan, Wahyu E. Abdillah, Danang Kusudiharjo

Indonesian Petroleum Association

... saturation, the anisotropy is clearly identified;the velocity of VTI (horizontal cleat) is generally low, but in high overburden pressure (more than 30 Bar...

Transportation of Detritus by Moving Water: Part 1. Transportation

Filip Hjulstrom

AAPG Special Volumes

... factor. Subsidiary factors are the velocity gradient and the physical characteristics of the water and particles of sediment. Accordingly, the main...

Acoustic Log Measurements in the Lower Eagle Ford Formation in Brazos and Robertson Counties, Texas and Their Implications on Completion Design

Richard Reischman, Scott Brooks, Trevor Willms, Tony L. Albrecht, John J. Walsh, Edgar Arteaga

Unconventional Resources Technology Conference (URTEC)

... horizontal Young’s moduli and Poisson’s ratios were different. This difference depends on the degree of anisotropy in the formation. The effect...

Accelerated augmented Lagrangian full-waveform inversion based on truncated randomized singular value decomposition

Jiahang Li, Hitoshi Mikada, Junichi Takekawa

International Meeting for Applied Geoscience and Energy (IMAGE)

... Calculate Gradient and Step-size Calculate and Reshape the velocity field randomized Singular Value Decomposition Single frequency loop k=k+s (a) 4...

The Development of Clast Fabric in Mudflows

John F. Lindsay

Journal of Sedimentary Research (SEPM)

... to settle under gravity. This will probably have little effect on the development of fabric during flow, except that the velocity gradient will be greater...

Contributions of Compaction and Aquathermal Pressuring to Geopressure and the Influence of Environmental Conditions (1)

XIAORONG LUO and GUY VASSEUR

AAPG Bulletin

... obtained with and without aquathermal pressuring shows that this effect increases very little with the temperature gradient (Figure 4). Sealing...

Fiber Optic Sensing-Based Production Logging Methods for Low-Rate Oil Producers

Ge Jin, Kyle Friehauf, Baishali Roy, Jesse J. Constantine, Herbert W. Swan, Kyle R. Krueger, Kevin T. Raterman

Unconventional Resources Technology Conference (URTEC)

...) or distributed sensors (Paleja et al., 2015); using Doppler effect of SoS to estimate flow velocity (Bukhamsin and Horne, 2016); associating borehole acoustic...

A three-component field study of the effect of the low-velocity layer on converted-wave seismic data

Dan Cieslewicz, Don C. Lawton

CSPG Special Publications

...A three-component field study of the effect of the low-velocity layer on converted-wave seismic data Dan Cieslewicz, Don C. Lawton 1998 217 220...

Sorting of Sediments in the Light of Fluid Mechanics

Douglas L. Inman

Journal of Sedimentary Research (SEPM)

... of a natural stream. Assume a horizontal bottom with a current flowing in the x-direction, and the average horizontal velocity, u, a constant for any given...