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The AAPG/Datapages Combined Publications Database

Showing 34,509 Results. Searched 200,636 documents.

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Crustal Geometry and Extensional Models for the Grand Banks, Eastern Canada: Constraints from Deep Seismic Reflection Data

C. E. Keen, R. Boutilier, B. De Voogd, B. Mudford, M. E. Enachescu

CSPG Special Publications

..., although when converted to depth they will rise slightly beneath the lower velocity sediments of the basins. A reflective lower crustal layer is also...

1987

Paleo-eolian Dynamics in the Andean Plateau: Inferences from Sedimentology of Fossil and Modern Dunes

Romina Lucrecia López Steinmetz, Lorena Cecilia López Steinmetz

Journal of Sedimentary Research (SEPM)

... of the wind velocity gradient converge at a focal point (W′ , Z′ ). Zingg (1953) proposed a link between the coordinates of the focal point...

2018

Production Profile Changes Resulting from Bullhead Acid Injection

Ahmed Attia, Blake Horton, Matthew Lawrence, Isabelle Pelligrini, Shadi Saeed, Yuanshan Zhang

Unconventional Resources Technology Conference (URTEC)

... under injection and (2) the volume injected varied over time, from 15% to 32% of the total fluid injected, corresponding with pressure gradient change...

2024

Importance of Hydrodynamic Factor in Formation of Lower Cretaceous Combination Traps, Big Muddy-South Glenrock Area, Wyoming: REPLY

Donald S. Stone , Roger L. Hoeger

AAPG Bulletin

..._Page 897------------------------------ Fig. 2. Plot of water velocity versus hydrodynamic pressure gradient for various permeabilities (from Petroleum...

1975

Synthetic Passive Margin Stratigraphy

D. L. Turcotte , P. M. Kenyon

AAPG Bulletin

... of Geology, v. 88, p. 353-360. Pitman, W. C., III, 1979, The effect of eustatic sea level changes on stratigraphic sequences at Atlantic margins...

1984

Concordant, Discordant, and Transitional Clastic Injection Structures in the Tesnus Formation, Marathon Basin, Trans-Pecos Texas

Timothy N. Diggs, Earle F. McBride

West Texas Geological Society

... for later tectonic deformation by rotating poles to dike surfaces about the strike of host sediments to restore bedding to horizontal. This procedure...

1990

Imaging Beneath Gas - A Prestack Depth Migration Case Study (Paper 34)

Osman Khan, Uwe Klein-Helmkamp, Peter Whiting, Tim Chapman

Geological Society of Malaysia (GSM)

... PreSTM is used, as a result of the overlying velocity anomaly. Figure 1(a) shows this effect as seen on depth Petroleum Geology Conference...

2003

Abstract: Effect on SAGD Performance of Horizontal Well Orientation with Respect to Inclined Shale Layers and Point Bars; #90187 (2014)

Amir Zamani and Ron Zakariasen

Search and Discovery.com

...Abstract: Effect on SAGD Performance of Horizontal Well Orientation with Respect to Inclined Shale Layers and Point Bars; #90187 (2014) Amir Zamani...

2014

Modeling the Rollovers of Sandy Clinoforms from the Gravity Effect on Wave-Agitated Sand

Neil C. Mitchell

Journal of Sedimentary Research (SEPM)

... to be nonlinear with gradient (Anderson 1994). However, the gravity effect on wave-agitated sand can potentially provide a flux proportional to gradient (Bailard...

2012

Bed Configurations in Steady Unidirectional Water Flows. Part 1. Scale Model Study Using Fine Sands

Lawrence A. Boguchwal , John B. Southard

Journal of Sedimentary Research (SEPM)

... velocity and increasing sand size; in our runs the former effect was by far the more important. With increasing velocity, 3D dunes increase in spacing...

1990

P-wave velocity inversion with average velocity analysis method

Yan Yuefeng, Jing Shaodong, Wang Yingwei, Zhong Chuhan

International Meeting for Applied Geoscience and Energy (IMAGE)

...P-wave velocity inversion with average velocity analysis method Yan Yuefeng, Jing Shaodong, Wang Yingwei, Zhong Chuhan P-wave Velocity Inversion...

2024

Imaging Solutions for Geophysical Challenges in South East Asia (Paper A13)

N. El Kady, Z. Mohd Dom, Y. Prasetyo, M. Bayly, G. Nyein, P. Vasilyev, N. Mat Don Ya

Geological Society of Malaysia (GSM)

... anomalies, major faulting and “fault shadow” effect, and seismic velocity anisotropy estimation and implementation. We will address each part...

2012

3D Geomechanical Analysis of Refracturing of Horizontal Wells

Dharmendra Kumar, Ahmad Ghassemi

Unconventional Resources Technology Conference (URTEC)

...3D Geomechanical Analysis of Refracturing of Horizontal Wells Dharmendra Kumar, Ahmad Ghassemi URTeC: 2697487 3D Geomechanical Analysis...

2017

Acoustic and Elastic Modeling of Seismic Time-Lapse Data from the Sleipner CO2 Storage Operation

R. J. Arts, M. Trani, R. A. Chadwick, O. Eiken, S. Dortland, L. G. H. van der Meer

AAPG Special Volumes

... velocity changes, mode conversions, and intrinsic attenuation are all likely to affect amplitudes and need to be incorporated within a rigorous...

2009

The 'Geoseis' System: Seismic Prospecting with Detonating Cord - A Line Energy Source

D. W. Thompson

Petroleum Exploration Society of Australia (PESA)

... spread. Apparent horizontal velocity Va is the horizontal velocity of events arriving at the surface where Va is given by v .. b. Split Spread Shooting...

1985

Meeting the imaging challenges at Atlantis with high-frequency elastic FWI

Alex Hao, Chi Chen, Zhiyuan Wei, Jiawei Mei, Li Jiang, Sam Buist, Obi Egbue, Luis Lopez, Daniel Tebo

International Meeting for Applied Geoscience and Energy (IMAGE)

... effect along the salt boundary and improving S/N in the updated velocity model as well as the corresponding FWI Image (Wu et al., 2022). These advantages...

2023

Small Scale Aeolian Bedforms

John M. Ellwood, Peter D. Evans, and Ian G. Wilson

Journal of Sedimentary Research (SEPM)

..., the horizontal velocity component, at impact, were zero, because they were small compared with terminal impact velocities and because it was found experimentally...

1975

Combined P and S Waves Survey for Hydrocarbon Exploration

Basuki Puspoputro

Indonesian Petroleum Association

... in unconsolidated oil sands, shear from stoneley: Geoph., v. 52, n.4, p. 502-513. King M.S., 1966, Wave velocity in rocks as a function of changes...

1990

In situ stress in the Peace River Arch area, Western Canada

J. S. Bell, R. E. McCallum

CSPG Bulletin

... the true situation. In area 7, the 10 measurements suggest a mean gradient of 15.4 kPa/m or less, if SHmin Figure 2. Measurements of smaller horizontal...

1990

High-frequency FWI velocity model building for hydrocarbon delineation

Lianping Zhang, Souvik Sengupta, Chirag Parekh, Robert Eliott-Lockhart

International Meeting for Applied Geoscience and Energy (IMAGE)

... to be delineated and compensated for the absorption effect to further improve imaging. We also utilized pseudo reflectivity to validate the velocity model quality...

2022

Full Waveform Inversion on Bekapai Field: A Game-Changer Technology for Our Seismic Imaging Workflows

Magali Beele, Clement Fleury, Claudio Strobbia, Muhammad-Thurisina Choliq, Jacques Bonnafe, Gilles Vallon

Indonesian Petroleum Association

... clouds, causes several imaging challenges. Large lateral velocity variations, absorption, shadowing zone and push down effects, are hurdles difficult...

2014

Relationship between fractures, fault zones, stress, and reservoir productivity in the Suban gas field, Sumatra, Indonesia

Peter Hennings, Patricia Allwardt, Pijush Paul, Chris Zahm, Ray Reid Jr., Hugh Alley, Roland Kirschner, Bob Lee, Elliott Hough

AAPG Bulletin

... effect (API); TG = total gas (API); PLT = production log (%); SH = maximum horizontal stress; Sh = minimum horizontal stress; Sv = vertical stress; Pp...

2012

Acoustic Impedance Analysis as an Indirect Approach in Identifying Un-swept Oil Zone Case Study: Kais Carbonate Reservoir The Walio Field, Salawati Basin

Yulia Putri W, Eli Silalahi, Wah Adi Suseno, Ricky Sitinjak, Suganda Zahnurianto

Indonesian Petroleum Association

..., S-wave velocity and density and the third is involving Pwave velocity. This means that beside intercept and gradient, it also includes the curvature...

2019

Application of Simulation of Coupled Hydraulic Fracture Propagation by Implementing Natural Fracture Modeling in Shale Oil Reservoir - A Case Study from Junggar Basin, China

Yanyan Ding, Yu Liang, Tingfeng Zhao, Mingwei Ma, Xingning Huang

Unconventional Resources Technology Conference (URTEC)

... production, and the reservoir pressure decreasing rapidly. At present, for the development of such low-porosity, low-permeability resources, horizontal...

2021

Subsurface Technology Sharing from Oil and Gas to Geothermal Resources

Silviu Livescu, Birol Dindoruk

Unconventional Resources Technology Conference (URTEC)

... depth, horizontal length, and diameter of wellbores, formation geothermal gradient, flow rate, inlet temperature, thermal conductivity of formation...

2021

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