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The AAPG/Datapages Combined Publications Database

Showing 33,054 Results. Searched 195,354 documents.

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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

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: 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

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

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

Integrated Full Waveform Inversion and Dip Constrained Tomography for Complex Carbonate Imaging - Case Study from Indonesia

Yonghe Guo, Jun Wang, Pongga Wardaya, Riaz Alai, M Afiq B Mokhtar, Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

.... As highlighted by the blue arrows in Figure 1, the shallow carbonate platforms have a much faster velocity than the surrounding sedimentary layers. The horizontal...

2018

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

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

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

Application of Seismography to Geological Problems

Eugene McDermott

AAPG Bulletin

... profiling, it is possible to determine the velocity of the refracting stratum. If the layer is not horizontal, it is still possible, by reversing...

1931

Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks

Christian Hermanrud, and Oddgeir Undertun

AAPG Bulletin

..., and Teige et al. (2007) could not determine if the weak correlation between pore pressure gradient and sonic velocity was caused by the influence...

2019

Overpressure Mechanisms in Compressional Tectonic of Borneo Deepwater Fold-Thrust Belt

Geovani C. Kaeng, Sarah Sausan, Zulfikar Simatupang

Indonesian Petroleum Association

... of overpressure, narrow margins between PP and fracture pressure, PP gradients subparallel to lithostatic gradients, prominent effect of structural...

2016

Modified Residual Migration

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

... in the presence of lateral and vertical velocity variations. Velocity within each layer is vertically constant with a linear gradient in the lateral...

1992

Variations in vertical stress in the Permian Basin region

Katie M. Smye, Peter H. Hennings, and Elizabeth A. Horne

AAPG Bulletin

... geomechanics and the potential for induced seismicity. Of the principal stress orientations (Sv , minimum horizontal stress [Shmin ], and maximum...

2021

Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View

Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff

Indonesian Petroleum Association

... by compaction. Each layer is described by a specific gradient k and a velocity map V0(x,y) (Figure 3). The main advantage of the layer-cake a priori...

2009

Study of Fracturing Fluid Imbibition Impact on Gas-Water Two Phase Flow in Shale Fracture-Matrix System

Guanglong Sheng, Wendong Wang, Hui Zhao, Zengmin Lun, Yufeng Xu, Qian Zhang, Wenfeng Yu, Di Chai, Xiaoli Li, Yi Lou

Unconventional Resources Technology Conference (URTEC)

... a high linear correlation between the fluid displacement velocity and pressure gradient in the fractured samples as the fracture is the main flow channel...

2020

Combining PSDM and Seismic Modeling to Reduce Uncertainties in Time Structural Interpretation

William Agudelo, José Fernando Gamboa, Saúl Guevara, Carlos Piedrahita, Luis Ernesto Rojas, Martín Morales, Héctor Alfonso

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... in other complex overburden areas. Introduction Time images for structures below velocity inversions are often distorted. This effect of overburden...

2009

Concentration-Dependent Flow Stratification In Experimental High-Density Turbidity Currents and Their Relevance To Turbidite Facies Models

Matthieu J.B. Cartigny,, Joris T. Eggenhuisen, Ernst W.M. Hansen, George Postma

Journal of Sedimentary Research (SEPM)

...) associated concentration profile, and C) velocity profile (Modified from Sohn 1997). Thick, nearly horizontal stratification, of variable thickness...

2013

Predicting the depth of viscous stress peaks in moving salt sheets: Conceptual framework and implications for drilling

Ruud Weijermars and Martin P. A. Jackson

AAPG Bulletin

... below). At each point in the flow, the orientation of the principal stresses can be inferred in our study on the basis of the velocity gradient...

2014

Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)

Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto

Search and Discovery.com

... is computed as a scaled representation of its gradient (Lailly, 1984; Tarantola A., 1984,1986,1988,2005). FWI updated velocity models are preferred in full...

2023

Role of Vortices in Surf Zone Prediction: Sedimentation and Wave Forces

Robert L. Miller

Special Publications of SEPM

... vgd where 45 same source m as velocity and d is distance from S W L to sloping bottom Abscissa is same as in Figure 9 Designation of horizontal...

1987

Star: Shallow Time Anomaly Replacement

Michael O. Marcoux, Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... by the thickness/ velocity ratio. Thus, the LVT acts as a thin lens would in optics and the effect on a wavefront is to cause a time delay depending...

1982

Multi-attributes and Seismic Interpretation of Offshore Exploratory Block in Bahrain„A Case Study, #41919 (2016).

Suresh Thampi, Aqeel Ahmed, Yahya Al-Ansari, Ali Shehab, Ahmed Fateh, Anindya Ghosh, Ghada Almoulani

Search and Discovery.com

...; it was confirmed by an oil gradient from reservoir pressure points. A quick post-drilling analysis of the seismic data showsthat the well M-1 was drilled...

2016

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