Quantification of Porosity and Permeability Reduction Due to Calcite Cementation Using Computer-Assisted Petrographic Image Analysis Techniques

Theodore T. Mowers, David A. Budd

AAPG Bulletin

... by statistical analysis of the two data sets (e.g., the correlation coefficient, r, and either the parametric paired t-test or nonparametric Mann-Whitney test...

Core Magnetostratigraphy: Chron 33r in the Southern Alberta Plains

Taslima Anwar, Andrew J. Mumpy, Dunia Blanco, Vadim A. Kravchinsky, Octavian Catuneanu

CSPG Bulletin

... C34n-C33r and/or C33r-C33n occur in all three cores and provide two regional time-stratigraphic markers which facilitate robust age correlation between...

Comparison of Structural Styles Observed in Upper Eocene (Jackson Group) and Oligocene (Vicksburg Group) Strata within the Rio Grande and Houston Embayments Southwest and Northeast of the San Marcos Arch, Refugio and Calhoun Counties, South Texas Gulf Coast

Osareni C. Ogiesoba, Angela K. Eluwa

GCAGS Journal

... four different surveys. Two of the seismic surveys (surveys #1 and #2) are located in Refugio County in the Rio Grande Embayment. The other two...

Lineaments and the Separation of Sicily Island from the Chalk Hills by the Ouachita River Valley, Northern Catahoula Parish, Louisiana, by Richard P. McCulloh, #50005 (2003).

Search and Discovery.com

Nature, origin and tectonic significance of anomalous transverse structures, southeastern Skeena Fold Belt, British Columbia

Margot McMechan

CSPG Bulletin

... of the Mosque Mountain area but are rare elsewhere (Fig. 3). Northeast- to east-trending folds are distinct from the northwest-trending folds as the two sets...

Abstract: Polygonal patterns, sedimentary facies and basin analysis

H. W. van de Poll, A. M. D’Orsay

Atlantic Geology

... patterns ranging from approximately 15 cm to 300 m in diameter are familiar features in sediments·. Two pattern types can be recognized: 1) orthogonal...

Syndeformational Magnetization in the Ordovician Bigfork Chert at Black Knob Ridge, Western Ouachita Mountains, Southern Oklahoma: (Part I)

Tony K. Hillegeist

Oklahoma City Geological Society

... cores were not oriented. Square symbols, horizontal component; circles, vertical component. The same convention is used on all orthogonal projections...

Numerical Simulation of Proppant Transport and Deposition in Complex Hydraulic-Natural Fracture Networks

Dharmendra Kumar, Baohua Liu, Ahmad Ghassemi

Unconventional Resources Technology Conference (URTEC)

... with one propagating hydraulic fracture (HF) and two sets of primary “P-NF” (i.e., natural fractures aligned orthogonal to the maximum horizontal stress...

Determination of Paleocurrent Direction from Oblique Sections of Trough Cross-Stratification--A Precise Approach: RESEARCH METHODS PAPER

Prabir Dasgupta

Journal of Sedimentary Research (SEPM)

... analysis. The geometry of simple trough cross-stratification is defined by two architectural elements: (1) the trough cross-sets and (2) the bounding...

Linears in Southeastern Alaska

James R. Reeves

Utah Geological Association

.... Figure 3. Northerly trending linears in southeastern Alaska. Same area as Figure 1. Note that two cross-cutting sets are distinguishable...

Reservoir Characterization Using Three-Dimensional Fault Restoration

Karen S. Hoffman, Derek R. Taylor, John W. Neave

Indonesian Petroleum Association

...-stratigraphic, orthogonal grid for property interpolation, as shown in Figure 2, would result in the treatment of these two sand bodies as independent...

Fracture Systems of Mars

E. L. Harp

Utah Geological Association

... consists of two roughly orthogonal sets of fractures, one with a N40°-50°W trend and the other with a trend of N40°-50°E. These fractures are most dense...

Induced Fractures in Core: Chapter 3

B. R. Kulander, S. L. Dean, B. J. Ward Jr.

AAPG Special Volumes

... of the fracture trace on opposite sides of the cylinder are analogous to the two sets of tension fractures produced by subjecting a glass plate...

Jointed deformation bands may not compartmentalize reservoirs

S. E. Tindall

AAPG Bulletin

... of deformation-band and joint orientations at each field site. Great circles represent mean attitudes of deformation-band sets, and poles represent mean...

Shale Gas Potential in Triassic Strata of the Deep River Basin, Lee and Chatham Counties, North Carolina, USA; #80072 (2009)

Jeffrey C. Reid and Kenneth B. Taylor

Search and Discovery.com

... in the Cumnock Formation have reported natural gas and oil shows, and two shut-in wells have reported pressures of 900 psi and 300 psi. References...

Raman Microscopy Analysis of Wyoming CarbonSAFE Pilot Well Thin Sections for Mineralogy and Organic Matter Characterization

Grant A. Myers, Trevor Brown, Shavinka Fernando, Erin Phillips, Fred McLaughlin

Unconventional Resources Technology Conference (URTEC)

... of the two sets from measured map-median Raman spectra parameters indicates that generally, the maturity of both sets falls outside the range...

Beware of Gravity Fractures and Non-Structural Lineations

John F. Harris, Alan P. Emmendorfer

Four Corners Geological Society

... (Harris et al., 1960). A group of parallel fractures is called a set. One or two sets can be present and rarely a third set of deformational...

Planetary Equidistant Rupture (Per) Systems in Moravia, Czechoslovakia

Radan Kvet

Utah Geological Association

... main rupture directions are predicted by PER theory. One set will follow the direction of the meridians and one set that of the parallels. Four sets...

Abstract: The Dip Method: An Alternative Method for Inferring Tectonic Kinematics in Extensional Terrains, by D. L. Scott; #91015 (1992).

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Structural segmentation in the Qiongdongnan Basin, South China Sea: insights from analog models and implications for hydrocarbon exploration

Gengxiong Yang , Hongwei Yin , Jun Gan , Wei Wang , Jitian Zhu , Dong Jia , Xiaofeng Xiong , and Wenqiao Xu

AAPG Bulletin

... the western to eastern zones. It is widely accepted that the western zone undergoes orthogonal stretching, whereas the eastern zone undergoes oblique...

Abstract: The Influence of Salt on the 3D Geometry and Evolution of Inversion Structures, by Jennifer Elder Brady; #90033 (2004)

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ABSTRACT: Fracture Detection by P and C Wave Anisotropy from Multi-Offset VSP; #90051 (2006)

JOHN Owusu, Qinglin Liu, Jaafar Alnemer

Search and Discovery.com

... of seven offsets including two nearly orthogonal pairs. This carefully designed survey data provides an opportunity to employ different methodologies...

Fracture Detection by P and C Wave Anisotropy from Multi-Offset VSP

Search and Discovery.com

Evolution of fracture and fault-controlled fluid pathways in carbonates of the Albanides fold-thrust belt

Brita R. Graham Wall, Radu Girbacea, Agim Mesonjesi, Atilla Aydin

AAPG Bulletin

... across multiple mechanical layers. Strike-slip faults formed by this process are organized in two sets in an apparent conjugate pattern. Calcite cement...

Magnetic Stratigraphy of the Lower and Middle Miocene Astoria Formation, Lincoln County, Oregon

Donald R. Prothero, Clio Z. Bitboul, George W. Moore, Ellen J. Moore

Pacific Section SEPM

... circles indicate upper hemisphere projections. Figure 3. IRM acquisition (ascending curve on right) and Lowrie-Fuller test (two descending curves...