Late Paleozoic-Age Joint Sets in the Marathon Thrust Belt, West Texas

T. Matthew Laroche

West Texas Geological Society

... orientations measured in this area form two prominent, nearly orthogonal maxima (fig. 4D). One of the maxima is oriented nearly parallel to bedding strike...

Structural Analysis Along Torrens River, Alberta Foothills

E. L. Fitzgerald

CSPG Bulletin

... and the short strain axis is sub-horizontal and orthogonal with the other two. Dunvegan sandstones overlying the structures examined in the Shaftesbury display...

Fracture Pattern in Outcrop of Gas-Producing Devonian (Ohio) Shale in Northeastern Ohio: ABSTRACT

Frank Calcagno, Jr.

AAPG Bulletin

... tensional set, consistently trends at 90° to the master shears. These two sets may be extended as far south as central Pennsylvania and as far east...

Estimating fracture trace intensity, density, and mean length using circular scan lines and windows

M. B. Rohrbaugh Jr., W. M. Dunne, M. Mauldon

AAPG Bulletin

... and length bias when sampling fracture traces. (A) Fracture pattern with two sets sampled by three progressively larger circles (dots = trace centers...

Chapter 21: Fracture Analog of the Sub-Andean Devonian of Southern Bolivia: Lidar Applied to Abra Del Condor

David García-Sellés, Sergio Sarmiento, Oscar Gratacós, Pablo Granado, Núria Carrera, M. R. Lakshmikantha, Juan Carlos Cordova, and Josep Anton Muñoz

AAPG Special Volumes

... at the backlimb of the Abra del Condor anticline with two dominant orthogonal cross-fracture sets. Fracture intensities have been used to identify 44 fracture...

Comparison of Joints, Faults, and Airphoto Linears: GEOLOGICAL NOTES

C. W. Brown

AAPG Bulletin

... radius of each field station. These data were inc rporated in the histograms, and the two sets of data were then compared. From this comparison...

All that wobbles isnt necessarily azimuthal anisotropy

Helen Debenham, Jennifer Badry, Mohamed Megebry

Petroleum Exploration Society of Australia (PESA)

... Onshore 3D seismic data is often acquired with rich azimuth coverage by utilising orthogonal shooting (or cross-spread) layouts. This means...

Abstract: Deep Crustal Structure of the Newfoundland Appalachians

Garry Quinlan

Atlantic Geology

.... St. John's. Newfoundland AlB 3X5 Two marine deep seismic reflection experiments have been carried out in the vicinity of Newfoundland: a 1000 km...

Abstract: Geologic Setting of the Unconventional Antrim Gas Play, Michigan Basin

Bruce A. Cain, Charles J. Kaiser, and Mark G. Picha

Houston Geological Society Bulletin

... dips basinward at a rate usually less than two degrees. Three primary factors contribute to the unconventional nature of the Antrim gas play; methane...

Abstract: Synthetic aperture radar: a valuable remote sensing tool for the geoscientist in Newfoundland

R. T. Gillespie

Atlantic Geology

.... Newfoundland AI B 31'2. Canada Two large areas in Newfoundland centered roughly on the Baie Verte Peninsula and Red Indian Lake were imaged using a C-band...

Abstract: Distribution of Horton Group subbasins in the Gulf of St. Lawrence from seismic reflection data; Implications for the early tectonic development of the Magdalen Basin

P. Durling, F. Marillier

Atlantic Geology

... Geology ATLANllC GEOLOGY two main trends parallel to basement structures (NW-SE and NE-SW), and their distribution forms an X-pattern reminiscent...

ABSTRACT: TTI Tomography for Dual-Azimuth Data in Gulf of Mexico

Tony Huang, Sheng Xu, Juan Wang, Gentiana Ionescu

GCAGS Transactions

... seismic data, with shot and receiver locations covering a large portion of the two dimensional surface, present a new challenge for deriving a single...

Geophysical Investigations in Connection with Oil and Gas Exploration in Amu-Dar’Ya Region of Turkmenistan

M. S. Rakhimov, Kh. K. Babayev, R. M. Mettiyev, A. S. Khangel’dyyev

Petroleum Geology: A Digest of Russian Literature

... by geophysical surveys. These oil and gas accumulations are localized on two types of traps: reef (areal and zonal-belt) and anticlinal (erosional...

Variety of Geologic Silhouette Shapes Distinguishable by Multiple Rotations Method of Quantitative Shape Analysis Text: ABSTRACT

D. G. Collins, J. M. Parks

AAPG Bulletin

.... Parks 1984 464 464 68 4. (April) Silhouette shapes are two-dimensional projections of three-dimensional objects such as sand grains, gravel...

Abstract: 4-D, 3-C Seismology and Dynamic Reservoir Characterization - A Geophysical Renaissance, by T. L. Davis, R. D. Benson, S. L. Roche, and D. Talley; #90937 (1998)

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Trenton Formation in New York, a Computer-Aided Study: ABSTRACT

Joseph E. Robinson

AAPG Bulletin

... the lower two. Depositional centers shifted from central New York for the lower member to the northern part of the state for the upper member...

Abstract: 4-D, 3-C Seismology and Dynamic Reservoir Characterization - A Geophysical Renaissance, by T. L. Davis, R. D. Benson, S. L. Roche, and D. Talley; #90928 (1999).

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Abstract: Direct Detection of Mobile Hydrocarbons – Converted Shear Waves

Search and Discovery.com

ABSTRACT: Threading the Needle with 3-D Visualization Problem Solving and Well Bore Planning-Matagorda Island 623 Field Case History; #90013 (2003)

James B. Dischinger, Franklin L. Mitchum, James E. Wolfe

Search and Discovery.com

... the interpretation of two orthogonal components of faulting, the shallowest of which was correlated with the most severe well bore deformation...

Shear Wave Conversion in Reservoir Rocks, #90116 (2010)

Kandiah Balachandran

Search and Discovery.com

... the influence of fluids on the transmitted wave. Compression and shear motion in two orthogonal directions were induced on one face of the core sample...

Possible Relationships Between Lineament Tectonics and the Dynamics of the Milky Way Galaxy

Peter J. Haman

Utah Geological Association

... a single system or, two superimposed systems, may be present creating a complex pattern of joints. His System I predominates and has sets trending N65°E...

Decarbonization of Seismic Survey Acquisitions

Mostafa Naghizadeh, Andrea Crook, Michelle Montano, Alyson Birce, Michael Hons, Stephanie Ross

Unconventional Resources Technology Conference (URTEC)

...) and receiver (blue filled circles) spacings. b) An orthogonal geometry (G1) with 60 m source-line and receiver-line spacings. c) A zigzag weave geometry (G2...

Proxy Modelling for Multi-Well Simulations: Enabling Identification of Major Input Variables and Reduced Computation Time over Monte Carlo Sampling

Thomas A. McCourt, Ryan Blackmore, Iain Rodger, Suzanne Hurter, Bevan Thompson, Mark Reilly, Diane Donovan

Australian Petroleum Production & Exploration Association (APPEA) Journal

... variance, M can be expressed as a sum of orthogonal multi-nomials: a PCE MðjÞ ¼ P * ð2Þ ¼ X i2N N ci N Y ði Þ Pj j ðjj Þ; where j 2 X : ð1Þ j¼1...

Geomechanical Simulation of Different Conceptual Models for Microseismic Interpretation

Shawn C. Maxwell, Atena Pirayehgar

Unconventional Resources Technology Conference (URTEC)

... as represented by microseismic recorded in the field (green) and model (white). Note similarity of the two microseismic data sets in terms of number...

Effective flow properties of heterolithic, cross-bedded tidal sandstones: Part 2. Flow simulation

Benoît Y. G. Massart, Matthew D. Jackson, Gary J. Hampson, and Howard D. Johnson

AAPG Bulletin

... below in three orthogonal directions: two perpendicular horizontal directions, parallel (dip direction) and perpendicular (strike direction...