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The AAPG/Datapages Combined Publications Database
Showing 34,457 Results. Searched 200,357 documents.
Proppant Placement in Perforation Clusters in Deviated Wellbores
Min Zhang, Chu-Hsiang Wu, Mukul Sharma
Unconventional Resources Technology Conference (URTEC)
... downward and horizontal wellbore flow with a side perforation at flow rate = 40 bbl/min 11 URTeC 298 12 Figure 8. Effect of flow rate on the wellbore in...
2019
Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones
Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju
Indonesian Petroleum Association
... in the transition zone, the complete vertical and horizontal borehole trajectory was instrumented with 3C receivers, while simultaneously recording 3C...
2013
Deep Pore Fluid Pressure Prediction in Challenging Areas, Malay Basin, SE Asia
Stephen O’Connor, Richard Swarbrick, Jamaal Hoesni, Richard Lahann
Indonesian Petroleum Association
...-estimates the overpressure effect of these secondary overpressure mechanisms. Using velocity and density data from a well in the North and South Malay...
2011
Abstract: Maximize the Potential of Seismic Data in Shale Exploration and Production Examples from the Barnett Shale and the Eagle Ford Shale; #90187 (2014)
Joanne Wang and Duane Dopkin
Search and Discovery.com
... vector superimposed. An Eagle Ford shale example Velocity anisotropy is a classical seismic response to fracture or stress. In a horizontal...
2014
Subsurface Characterizaton Using Microseismic Velocity, Attenuation, and Ansiotrophy Tomography in a Geothermal Field
Ahmad Syahputra, Andri Dian Nugraha, Rachmat Sule, Sri Widiyantoro
Indonesian Petroleum Association
... function. Figure 3 - Horizontal slice of 3-D tomogram at depth 1 km near top reservoir. There are six tomograms; pertubation velocity of P-wave...
2014
Regional Pore Pressure Variations of the Wolfcamp, Dean, Spraberry, and Bone Spring Formations of the Midland and Delaware Basins in the USA
Shuvajit Bhattacharya, Ray Eastwood, Katie Smye, Sam Moonesan, Brian Casey, David Hoffman
Unconventional Resources Technology Conference (URTEC)
... to or below the hydrostatic pressure gradient (~0.25-0.45 psi/ft), whereas the units of the Wolfcamp Formation are at or above the hydrostatic pressure...
2024
Identification of Fluid Movement in the Formation and Behind Casing Through the Use of Thermal and Acoustic Energy from Production Logs
Jose González, Alejandro Linares, Jairo Pérez, Alexander Castro, Virginia Mayorga, Danelys Bernal Correa, Juan Marin, Mario Ardila Moreno, Diego Rodriguez, Jose Vasquez
Unconventional Resources Technology Conference (URTEC)
... and a decrease in pressure, confirming the Bernoulli effect, as shown in Figure 3. Increased fluid velocity Pressure decrease D: 3-1/2” D: 2-7/8...
2023
Influence of Lithology and Neogene Uplift on Seismic Velocities in Denmark: Implications for Depth Conversion of Maps
Peter Japsen
AAPG Bulletin
... of the formation: the velocity gradient and the so-called surface velocity or, rather, velocity at the surface. This simple velocity model will, of course, differ...
1993
Turbulence Effects on the Settling of Suspended Particles
Peter Nielsen
Journal of Sedimentary Research (SEPM)
... fast tracks along the vortex boundaries, and this results in an increase of the average settling velocity. The same effect was also found by Maxey...
1993
Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
A. R. Gregory
AAPG Special Volumes
... samples under triaxial pressure: Society Petroleum Engineers Jour., v. 9, p. 378-394. Domenico, S. N., 1976, Effect of brine-gas mixture velocity...
1977
Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat
Indonesian Petroleum Association
..., obtaining a highresolution velocity model and high-resolution Q model for compensating for the shallow overburden gas-filled channel effect are the main...
2022
Serang Field Re-Evaluation
Tom Clark, Joewono Hadiwijoto, Bashir Zagalai, Steve Martinez, Donna Staples
Indonesian Petroleum Association
... to the Attaka Field. Although depth conversion in an area masked by a complex velocity gradient is not a new issue (Leach et al., i 990), each specific case can...
1994
Extended Abstract: Application of Electroseismic Technology for Direct Hydrocarbon Detection in Conventional Reservoirs—A Case History
David L. McCabe, Alan J. Katz, Arthur H. Thomson, Robert W. England
GCAGS Transactions
... motion and a resulting pressure gradient in the grain space. The pressure gradient reacts against the grain matrix to generate a compressional seismic...
2017
Abstract: Aeromagnetic Gradient Anomalies Help Locate New Oil and Gas Reservoirs
Harold Robert Beaver
Search and Discovery.com
... a very small effect on the total earth magnetic field. With a special horizontal gradient operator, these effects can be filtered and mapped...
2007
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...
2023
Subsurface formation pressure gradient vs. slope: Perception and pitfalls
Selim S. Shaker
International Meeting for Applied Geoscience and Energy (IMAGE)
...Subsurface formation pressure gradient vs. slope: Perception and pitfalls Selim S. Shaker Subsurface Formation Pressure Gradient vs. Slope...
2023
Abstract: Grayson Field, Jurassic Smackover Reservoir, Columbia County, AR: A Case Study Using Leading Edge Reservoir Characterization Seismic Processing of 3D Seismic Data
Kevin B. Hill and William R. Meaney
Houston Geological Society Bulletin
... information and a 3D seismic data set, the thinner upper pay interval can be discerned from the thicker main pay. Horizontal well programs have been designed...
2002
Base of Salt Determination Utilizing Full Tensor Gradient Data
Gary W. Coburn
GCAGS Transactions
...Base of Salt Determination Utilizing Full Tensor Gradient Data Gary W. Coburn 1999 Vol. 49 (1999), The determination of the base of a salt body...
1999
Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013)
Darren Hinks, Tom Cox, Stephanie Schmidt, Dale Vanhooren, and Sergei Filin
Search and Discovery.com
...Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013) Darren Hinks, Tom Cox, Stephanie...
2013
The Formation and Behavior of "Vapor Lock" Pressure Seals and Associated Hydrocarbon Accumulations in Geologically Young Basins
W.M. Benzing , G.M. Shook , S.D. Leroy
GCAGS Transactions
... the flank of the pressure seal is about 13°. Since the fluid pressure isobars are not horizontal, lateral variations in the seismic velocity within...
1996
A case study: Joint 3D surface seismic and VSP survey and its effect in complex structural areas of southwest China
Huang Yuanyi, Liang Xing, Jiang Liwei, Li Xuefeng, Wang Changhui, Hu Jiang, Cheng Gaoming, Jin Zhigang, Wang Lifeng, Zhang Sheng, Wang Qiangjun, Sun Jiangwei
International Meeting for Applied Geoscience and Energy (IMAGE)
... A case study: joint 3D surface seismic and VSP survey and its effect in complex structural areas of southwest China and velocity field in the whole area...
2023
Fracture-Porosity Identification from Anisotropy AVO and Fluid Substitution Modelling in Seismic 2D Data
Septian Prahastudhi, Tenny Octaviani, Ayi Syaeful Bahri, Yulia Putri Wulandari
Indonesian Petroleum Association
... P-wave velocity, S-wave velocity in both dry and wet condition. The anisotropy gradient has been found using anisotropy AVO modeling. The Thomsen...
2012
Abstract: AVO Crossplotting II: Examining Vp/Vs Behavior; #90171 (2013)
Heath Pelletier
Search and Discovery.com
... rotation effect can be problematic for interpretation only when low velocity unconsolidated materials (and their associated high Vp/Vs ratios...
2013
Geophysical Programs for Regonal and Local Prediction of Hydrocarbons in the Near-Ural Region of the West Siberian Platform
Yu. Z. Segal’, N. N. Yaitskiy, L. A. Zerchaninova, V. V. Khoronzhin
Petroleum Geology: A Digest of Russian Literature
..., and A); 7-background component; 8-local anomalies reduced for gradient; 9-local minimums of gravity field supposedly due to effect of oil-gas-bearing...
1994
Wheeler Gorge Turbidite-Conglomerate Series, California; Inverse Grading
Richard V. Fisher, James M. Mattinson
Journal of Sedimentary Research (SEPM)
... it involves Bernoulli's principle. The Magnus effect places prime emphasis on particle rotation as the cause of velocity differences, which in turn...
1968