Three-Dimensional Control

G. E. Anderson

Oklahoma City Geological Society

... of the resultant angle of dip and its direction. It is well to note that if the T dip moveout from each cable is normalized, by Figure I. End_Page 317...

Imaging in Complex Environments … Common Reflection Angle Migration

Graham A. Winbow

Indonesian Petroleum Association

.... This method, illustrated in Figure 3, builds the image by summing over variable dip angles at fixed reflection angle α. Although in principle the azimuth...

Anisotropic depth migration in the Colombian Llanos Foothills as a key to understanding the structure in depth

emamedov

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... or updip side of the structure will travel at a higher velocity than rays from the western or cross-dip side of the structure. The least-time raypath...

Graphic Solution of Strike and Dip from Two Angular Components: DISCUSSION

M. King Hubbert

AAPG Bulletin

... dip. Let ^Thgr^prime be the angle of apparent dip in a vertical plane making an angle ^phgr with the vertical plane containing the true dip...

Projection of Dip Angle on Profile Section: GEOLOGICAL NOTES

Stanley C. Herold

AAPG Bulletin

...Projection of Dip Angle on Profile Section: GEOLOGICAL NOTES Stanley C. Herold 1933 740 742 17 6. (June) A profile section which crosses the strike...

Projection of Dip Angle on Profile Section: GEOLOGICAL NOTES

Lyndon L. Foley

AAPG Bulletin

...Projection of Dip Angle on Profile Section: GEOLOGICAL NOTES Lyndon L. Foley 1933 742 742 17 6. (June) Mr. Herold's ingenious solution of the problem...

Depth of the Basal Shearing Plane in Cases of Simple Concentric Folding

Leslie Duska

CSPG Bulletin

... APPROACH In order to compute the depth of the basal shearing-plane in such cases, the above method must be extended by the use of additional data. One...

Application of poststack image enhancement with dip-guided selective stacking in southern Gulf of Mexico

Janet Ravelo-Cervantes, Ricardo Francisco Castrejon-Martinez, Julio Cesar Hernandez-Villalobos, Raul Ysaccis, Said Hernandez-Jaramillo, Doan Saavedra-Castaneda

International Meeting for Applied Geoscience and Energy (IMAGE)

... the dominant frequency of the convertedwave noise component, and then obtain the dip field from this filtered volume (Figure 3). This approach...

Semi-inverse relationship between critical angle and reflectivity coefficient, and its implication in seismic survey design, processing, and interpretation

Chen Bao

International Meeting for Applied Geoscience and Energy (IMAGE)

... to focus on imaging the weak reflector better in the mid to ultra-far angle ranges by optimizing the cross-line offset and the corresponding node...

New Mathematical and "Stereographic Net" Solutions to Problem of Two Tilts--With Applications to Core Orientation

Curtis H. Johnson

AAPG Bulletin

... elementary terms, the writer has chosen the solid geometry approach. The problem may be stated as follows: given any plane of known orientation (dip...

-- no title --

user1

Search and Discovery.com

...-angle fractures (30-40°) and high-angle cemented fractures (80-90°) crossing sedimentary structures that dip southeast- northwest. High angle cemented...

Prestack true-amplitude angle-domain viscoelastic least squares reverse time migration

Yue Wang, Yang Luo, Peng Shen, Jingru Chen, Guangchi Xing, Ao Cai, Mark Fan, Guojian Shan, Lin Zhang, Xiaoting Lou, Zhengyun Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

... with suitable geological dip and opening-angle constraints, efficient and accurate reflectivity gathers can be inverted to achieve true-amplitude...

Integration of UAV photogrammetry and kinematic analysis for rock slope stability assessment

Sharan Kumar Nagendran, Mohd Ashraf Mohamad Ismail, Wen Yan Tung

Geological Society of Malaysia (GSM)

... if frictionally unstable. On the other hand, any pole falling outside of the pole friction cone represent planes which dip steeper than the friction angle...

Abstract: The Importance of Layer-Parallel Strain in Restoration of the Hangingwall of the Corsair Fault, Offshore Texas, by R. H. Groshong, Jr.; #90987 (1993).

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ABSTRACT: No Dip or Low Dip?, by James D. Morse; #91030 (2010)

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Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector

Xuan Ke, Mauricio Sacchi, Ying Shi

International Meeting for Applied Geoscience and Energy (IMAGE)

...noticeable, as indicated by the blue arrows. However, it becomes evident that there is a considerable disparity in the dip angle between these...

Vertical Net Sandstone Determination for Isopach Mapping of Hydrocarbon Reservoirs

Paul E. Pennebaker

AAPG Bulletin

.... As an example, wh re reservoir bed dip is 60° and a well bore drifts directly updip with a 7° angle of inclination, the true vertical net sandstone...

Component Dip Nomogram

John Bemrose

Oklahoma City Geological Society

... and () the component of the true dip in a direction which makes an angle (o) with the direction of the true dip; then it is well known that:      (1...

Improvement of inverse scattering angle-domain common image gathers using optical flow

Ammir A. Karsou, Sérgio L. E. F. da Silva, Felipe V. Capuzzo, Felipe T. Costa, Jorge Lopez, Roger M. Moreira, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

... et al., 2011) but the method still requires extensive memory. The third approach is to calculate the opening angle from the source and receiver wave...

Integrated Amplitude versus Offset (AVO) Approach for Delineating Stratigraphic Traps

M. Azuddin M. Yusof

Geological Society of Malaysia (GSM)

...Integrated Amplitude versus Offset (AVO) Approach for Delineating Stratigraphic Traps M. Azuddin M. Yusof 308 Integrated Amplitude versus Offset...

Graphic Method for Determination of True Dip in Pits: GEOLOGICAL NOTES

Norman E. Weisbord

AAPG Bulletin

... be employed to determine the true dip of a stratum, given the angle and direction of the apparent dips on the adjacent walls of a pit. The following graphic...

Conversion of Well Log Data to Subsurface Stratigraphic and Structural Information: Part 6. Geological Methods

Jeremy M. Boak

AAPG Special Volumes

... of that surface in a plane at an angle of to the dip direction. Fig. 7. Conditions under which true stratigraphic thickness calculated according to its...

Construction of Geological Sections of Folds with Steep-Limb Attenuation

William Daniel Gill

AAPG Bulletin

... on equal-thickness projections bisects the angle of tangent intersection, progressively toward the steeper dip. The position of such "compensated boundary...

Graphical Use of Cotangent in Determining Dip or Components of Dip: GEOLOGICAL NOTES

William N. Gilliland

AAPG Bulletin

... a rather obscure and incidental reference to an extremely simple procedure that may be used in determining angle of dip or any component of dip...

An 'Elastic Impedance' Approach, by Satinder Chopra and Ritesh Kumar Sharma; #41082 (2012).

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