Chapter 27: New Evidences of an Active Strike-slip Fault System in Northern Venezuela, near Offshore Perla Field

Laszlo Benkovics, Albert Asensio

AAPG Special Volumes

... of the overriding Caribbean and stable South American plates, an area characterized by a unique geologic setting. A recent three-dimensional (3-D) survey (ca 700...

Seismic Characterisation of Unconventional Plays in North America

Lee Bell, Mary Edrich, Alvaro Chaveste

Petroleum Exploration Society of Australia (PESA)

... important characteristic is 'fractu rability' or development The area l coverage and data information, and can highlight su bt le cha nges how easily...

Deformation of organic matter and its effect on pores in mud rocks

Guochang Wang

AAPG Bulletin

... principle axis; c is the half length of the minimum principle axis; , and AR is the aspect ratio of ellipse . Assuming the surface area is constant during...

Normal Moveout and Dip Moveout, C. L. Liner, #40037

Search and Discovery.com

Three-Dimensional Geologic Block Modeling Of The Kutcho Creek Massive Sulfide Deposit, British Columbia: Chapter 15

David E. Hamilton, Robert S. Didur

AAPG Special Volumes

... discounted based on the cell-hole orientation relative to the weighting ellipse. In this way, the directional bias noted by the geologist was incor...

Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays

Michael J. Perz, William Keller, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... implies that VVAZ inversion holds great promise for optimizing future production in the area, and moreover serves as implicit validation of the processing...

RETRODEFORMATION OF CARBONIFEROUS TRACE FOSSILS FROM THE NARRAGANSETT BASIN, UNITED STATES, USING RAINDROP IMPRINTS AND BEDDING-CLEAVAGE INTERSECTION LINEATION AS STRAIN MARKERS

MEREDITH E. FICHMAN, JEAN M. CRESPI, PATRICK R. GETTY, ANDREW M. BUSH

PALAIOS

... 1966; Tan 1973). These fossil-based methods compute strain ellipses, two-dimensional representations of relative changes in length in a plane, based...

Quantitative Fabric Analysis of Drammen Clay Using X-ray Diffraction Technique

A. Kazi

Journal of Sedimentary Research (SEPM)

..., are proportional to the number of particles. Since, the relative intensity of X-ray diffraction from a given basal plane varies directly with the number...

Monitoring CO2 Injection at Weyburn Reservoir Using 3-D/3-C Seismic Datasets; #20290 (2015)

Le Gao, Igor Morozov

Search and Discovery.com

... of the three vintages of the dataset. Dashed green ellipse indicates the area of increased pore pressure. Figure 9. Differential attribute δP2...

Identifying Re-Stimulation Effectiveness by Utilizing Microseismic Attributes

M. Preiksaitis, A. Baig, S. Bowman-Young, T. Urbancic

Unconventional Resources Technology Conference (URTEC)

...rac, could indicate an area of rock with new fracture development missed during the initial completion. The center ellipse associated with two mid-late...

High Fidelity Directional Survey Calculations Can Improve Hydraulic Fracture Positioning In Unconventional Laterals

Bill Lesso, Tim Paton

Unconventional Resources Technology Conference (URTEC)

... the scope of this paper. For the sake of argument, a default fracture can be described as an ellipse that is 600 ft high and 800 ft wide. It is fully...

Application of Pre-stack Seismic Anisotropy for Fracture Detection, in Oseil Field Carbonate Reservoir, Seram Island, Eastern Indonesia; #20157 (2012)

Anggoro S. Dradjat, Xueyan Hu, and Ridhawulan Primasari

Search and Discovery.com

...: • High Oil column; • High fracture intensity; • Fold with relative simple structure; • High productivity of adjacent well; • Undrained area. In Oseil-18...

Abstract: Interpretation of Natural Fractures from the Traveltime Variation with Source-receiver Azimuth in the Alberta Foothills; #90172 (2014)

Draga A. Talinga, Don C. Lawton

Search and Discovery.com

... conducted for the Cabin Creek overthrust area in the Alberta Foothills. Mapping event traveltime differences on prestack-migrated, limited source...

Three-Dimensional Shape Analysis of Fine-Grained Sediments

Alan E. Wright

Journal of Sedimentary Research (SEPM)

... of the photograph relative to the slide and calculating the glancing angle for that position, the angle being assumed constant over the area of one photograph...

Use of the azimuthal resistivity technique for determination of regional azimuth of transmissivity

Douglas Carlson

Environmental Geosciences (DEG)

... regional-scale properties of these joint sets: azimuth of transmissivity ellipse, dominant set, and trend(s). The surface azimuthal electrical resistivity...

Structural Geology Observations Derived From Full Tensor Gravity Gradiometry Over Rift Systems, #41784 (2016).

Desmond FitzGerald, Horst Holstein

Search and Discovery.com

... component analysis problem • In this example, tensor is represented by an ellipse • Tensor is easiest described by Eigenvalues and Eigenaxis • Eigenaxis...

Using Multiazimuth Seismic Data for Anisotropy Estimation in an Unconventional Reservoir

Surabhi Mishra

Petroleum Exploration Society of Australia (PESA)

... are the key attributes that seismic can help predict. Seismic Velocity and Amplitude variations with azimuth can be used to predict fracture strike, relative...

Well Locations and Mapping Considerations

F. Kenneth Aitken

Houston Geological Society Bulletin

...), but most data systems store locations in terms of absolute coordinates. Within a small, localized area, relative locations might be totally adequate...

An Overview of Ray Trace Modeling with an Example from the Wichita Mountain Front in Southern Oklahoma

Jan Dodson, Roger A. Young, Kevin Smart

Oklahoma City Geological Society

... are shown by dashed lines. Figure 14. Variable area display of SEGY file for fault reflection on top. Amplitudes other than the one in the ellipse...

Application of the surface azimuthal electrical resistivity survey method to determine patterns of regional joint orientation in glacial tills

Douglas Carlson

Environmental Geosciences (DEG)

... array rotated about a fixed center point at selected degree intervals that yields an apparent resistivity ellipse. From this ellipse, joint set...

Clay Creek Salt Dome, Washington County, Texas

F. E. Heath, J. A. Waters, W. B. Ferguson

AAPG Bulletin

... geology of Clay Creek salt dome. End_Page 47------------------------------ This central area is in the form of an ellipse with a long axis...

Improvements in Graphical Representation of Fabric Data, Showing the Influence of Aspect Ratios of Grains on Their Orientations

Atsushi Yamaji, Fujio Masuda

Journal of Sedimentary Research (SEPM)

... by the attitude of the grains relative to surrounding water current but also by the shape of the grains (Jeffery 1922; Middleton and Southard 1977, p. 4.7; Allen...

Possible Strike-Slip Components on Monoclines at the Powder River Basin–Black Hills Uplift Margin

George W. Shurr, Ivan W. Watkins, Alvis L. Lisenbee

Wyoming Geological Association

... area, in J.D. Lowell, ed., Rocky Mountain foreland basins and uplifts: Rocky Mountain Assoc. of Geol. Symposium, p. 33-56. Christie-Blick, N...

A decoupled orthotropic anisotropy modeling method and its application

Wang Lei, Liang Jiandong, Xuan Ruiqing, Li Daoshan, Zhu Jinping, Hao Xiaoguang

International Meeting for Applied Geoscience and Energy (IMAGE)

... are updated through the residual curvature analysis of the azimuthal CIP gathers, and the ellipse fitting is used to drive the updating of the orthotropic...

Strain Measurements in Eastern Marginal Shear Zone of Mount Sedom Salt Diapir, Israel

Israel Zak, Raphael Freund

AAPG Bulletin

... of the salt table at a shallow, later stage. The strain in this marginal area is considerably larger than the average for the main, inner part...