Significant Geologic Processes in Development of Fracture Porosity: GEOLOGIC NOTE

J. B. Currie

AAPG Bulletin

.... Stearns and Friedman viewed this second class of fracture po osity as comprising sets of orthogonal fractures related in origin to regional structural...

Natural Fracture Systems: Description and Classification: GEOLOGIC NOTES

R. A. Nelson

AAPG Bulletin

... and/or strain directions, and with equally consistent and predictable senses of motion, during laboratory compression, extension, and tension tests...

Extended Abstract: Uncertainity Analysis in The Sawan Static Reservoir Model and Optimization of Facies Using Neural Network Technology*; #90139 (2012)

Attique ur Rahman and Muhammad Ibrahim

Search and Discovery.com

... properties. In all these realizations each model is equally probable with given set of parameters. The space of uncertainty created by multiple realizations...

Microseismic Monitoring Reveals Natural Fracture Networks, #40782 (2011)

Shoshana Goldstein, Margaret Seibel, Theodore Urbancic

Search and Discovery.com

... shear) failure, the solution for the strike and dip of the crack is non-unique with two orthogonal fracture planes that equally satisfy the waveform...

Hyperspectral imaging as an aid for facies analysis in massive-appearing sediments: a case study from the middle McMurray Formation

Alina Shchepetkina, Michelle Speta, Murray K. Gingras, Benoit Rivard, S. George Pemberton

CSPG Bulletin

... L2a (sandstone-dominated IHS) and L2b (equally interbedded sandstone and mudstone IHS) likely occurred in the middle estuary instead of inner...

Concave-Up Pelecypod (Psephidia) Shells in Shallow Marine Sand, Elk River Beds, Southwestern Oregon

H. Edward Clifton, Sam Boggs, Jr.

Journal of Sedimentary Research (SEPM)

... or gently inclined with respect to one another; broad, shallow channels filled with shells are fairly common. Organic burrows (commonly filled by shells...

The Structure and Stratigraphy of Erath Field

Joseph H. Hawkins

GCAGS Transactions

... quickly reveals this, as will the north-south cross-section). The axis of the apex is inclined at an angle of about eight (8) degrees from the vertical...

Correlation of Reflection Seismograph Records in California

Henry Salvatori

AAPG Bulletin

... various points. Where, however, the section contains a great number of equally good reflecting strata, some of which change i character, and therefore...

Geophysics

E. A. Eckhardt

AAPG Bulletin

.... Although realizing that the gravity picture is correlative with the subsurface distribution of rock densities, geologists are still inclined to take...

Seismic Imaging Technology: Part I: Acquisition

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... Geophysics, Trondheim, Norway. Beyond Processing Seismic imaging technology does not only involve traditional seismic data processing. Equally important...

Problems of Fault Nomenclature: DISCUSSION

Donald H. Kupfer

AAPG Bulletin

... movement. In an area in which the stress pattern is known to have changed markedly or in which younger Fig. 1. True view (inclined cross section) of fault...

The Paradox: A Pull-Apart Basin of Pennsylvanian Age: Part IV. Southern Rocky Mountains

G. M. Stevenson, D. L. Baars

AAPG Special Volumes

... nucleated and subsequently developed throughout Middle Pennsylvanian time. Smaller subbasins developed by orthogonal spreading along intersecting...

Sand Movement Along Equilibrium Beaches North of San Francisco

John A. Cherry

Journal of Sedimentary Research (SEPM)

..., and the grains along equally-spaced lines traversing the slide were identified and counted. A minimum of 100 transparent grains (excluding biotite, chlorite...

Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 5Acoustic Velocity Core Studies

R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde

AAPG Special Volumes

... velocities, Vs1 and Vs2, polarized in orthogonal directions were measured on each sample at each prescribed pressure and temperature setting...

Grain-Shape Indices and Isometric Graphs

H.J. Hofmann

Journal of Sedimentary Research (SEPM)

... their focus at the apex and make more nearly orthogonal intersects with the lines for the disc-rod index. The discrepancy is greater with respect...

Quantifying CretaceousCenozoic exhumation in the Otway Basin, southeastern Australia, using sonic transit time data: Implications for conventional and unconventional hydrocarbon prospectivity

David R. Tassone, Simon P. Holford, Ian R. Duddy, Paul F. Green, Richard R. Hillis

AAPG Bulletin

...). Seismic reflection profiles oriented approximately orthogonal to the northeast-southwest structural trend of the Colac trough reveal a prominent mid...

Upper Cretaceous Trace Fossils, Book Cliffs of Utah: A Field Guide

Robert W. Frey, James D. Howard

Rocky Mountain Section (SEPM)

... are horizontal or gently inclined, and individual specimens are essentially constant in size. Different specimens range from 0.5 to 2 cm, and average about 1.2...

Regional Subdivisions, Sequences, Correlations and Facies Relationships of the Lower Triassic Montney Formation, West-Central Alberta to Northeastern British Columbia, Canada — with Emphasis on Role of Paleostructure

Graham R. Davies, Neil Watson, Thomas F. Moslow, James A. MacEachern

CSPG Bulletin

... length of over 1000 kms. The cross-sections are presented in two formats: proportionally-spaced LAS log sections, included as text figures; equally...

Quantifying Variability in Hydraulic Fracture Geometry Using Stage-by-Stage ISIP Analysis in Geomechanically Heterogeneous Rocks

Erfan Sarvaramini

Unconventional Resources Technology Conference (URTEC)

... fracture height) Consider a horizontal well that is hydraulic fractured with n equally spaced stages at a distance of Ls between each stage as illustrated...

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... (or moving coil) sensors were used, either in arrays or individually, together with conventional data recording systems. The weight of the 3C geophones...

Flute-Like Marks and Associated Structures from the Carboniferous Port Hood Formation of Eastern Canada: Evidence of Secondary Origin in Association with Sediment Intrusion

Dave G. Keighley, Ron K. Pickerill

Journal of Sedimentary Research (SEPM)

..., inclined, stepped, and top surfaces of sandstone beds in contact with mudstone bodies. These occurrences are difficult to reconcile with primary...

The Salem Oil Field

H. H. Arnold Jr

Kansas Geological Society

... as greenish to grey, fine to medium coarse grained angular sand. Muscovite flakes are present throughout the sand body. The top of the sand is inclined...

ABSTRACT: The Source of the Coal in the Titanic and Effects of Exposure to Seawater

Curtis A. Palmer, Robert B. Finkelman, Gerald H. Luttrell, Chaosheng Zhang, Cortland Eble

The Society for Organic Petrology (TSOP)

... for fixed carbon and volatile matter indicate that the Titanic samples are all bituminous in rank, and equally distributed among low volatile, medium...

Experiment in Photographing the Walls of Drill Holes in Carbonate Rocks

A. R. Kinzikeyev

Petroleum Geology: A Digest of Russian Literature

... there are extensive microfractures, which are predominantly horizontal; moderately inclined fractures are observed more rarely. The width of most of the fractures...

Fusulinid-Bearing Rocks in Sublett Range, Southern Idaho: REPLY

Walter Youngquist

AAPG Bulletin

... the Wells formation type section in Wells Canyon and feel that if the Wells were defined strictly from this section we might be equally justified in using...