Shale Resource Systems for Oil and Gas: Part 1Shale-gas Resource Systems

Daniel M. Jarvie

AAPG Special Volumes

...-rich mudstone and has reasonably good correlation of bulk volume porosity to TOC, whereas the Montney Shale shows an inverse and poor correlation...

The Effect of Seawater Calcium Concentrations on the Growth and Skeletal Composition of a Scleractinian Coral: Acropora Squamosa

Peter K. Swart

Journal of Sedimentary Research (SEPM)

... of the seawater has no effect on the Na+ content of the skeleton, but may have a slight inverse relationship to the Mg2+ content. 3) The overall change...

3 Terrestrial Heat Flow

P. E. Gretener

AAPG Special Volumes

...). A hypodermic needle containing a heating element is pushed into the material. The rate of heating observed is an inverse function of the thermal...

Thickness Change Involved in the Peat-to-Coal Transformation for a Bituminous Coal of Cretaceous Age in Central Utah

Thomas A. Ryer, Anna W. Langer

Journal of Sedimentary Research (SEPM)

... changes are described by inverse linear relationships. The slopes of the two lines are -0.49 and -0.089, respectively, indicating that the channel...

Basic Open Hole Tools: Part 4. Wireline Methods

Mark W. Alberty

AAPG Special Volumes

... the inverse of velocity, called the interval transit time or delta t (t). A number of empirical relationships have been developed to relate compressional...

Settling Velocities of Quartz and Tourmaline in Eolian Sandstone Strata

James R. Steidtmann, Harry C. Haywood

Journal of Sedimentary Research (SEPM)

... stratification is thin (2 mm), laterally very extensive and continuous, and shows inverse size grading. Samples were taken from individual laminae so...

Rhyolite Clast Populations and Tectonics in the California Continental Borderland

Ronald P. Kies, Patrick L. Abbott

Journal of Sedimentary Research (SEPM)

.... (1969). Found near the western end of Simonton Cove are 85 m of clast-supported, inverse- to normally graded, rounded to subrounded, boulder-pebble...

Physical and Chemical Characterization of Heavy Crude Oil in the Orinoco Oil Belt: Section II. Characterization, Maturation, and Degradation

N. de Audemard, M. L. Chirinos, I. Layrisse

AAPG Special Volumes

... as a result of its importance in refining processes. Kinematic viscosity shows a clear inverse relationship with API gravity; however, a knowledge...

Glauconitic Sediments on the Continental Shelf off Vancouver Island, British Columbia, Canada

Brian D. Bornhold, Pierre Giresse

Journal of Sedimentary Research (SEPM)

... of Fe in the octahedral layer during the initial stages of development. The inverse relationship between Fe2O3 and Al2O3 (Fig. 9b) is apparent for both...

Submarine Hydrothermal Weathering, Global Eustasy, and Carbonate Polymorphism in Phanerozoic Marine Oolites: DISCUSSION

Leslie S. Eliuk

Journal of Sedimentary Research (SEPM)

... and a synchronous development in the Mesozoic-Cenozoic. If this Paleozoic "inverse" and post-Paleozoic "direct" relationship is real then there may be yet...

Intrastratal Rip-Down Clasts, Late Cretaceous Uhangri Formation, Southwest Korea

S. K. Chough, S. S. Chun

Journal of Sedimentary Research (SEPM)

... part of the mudstone, giving rise to a crude inverse grading. The upper boundary of the mudstone with the black shale is also sheared and folded...

A Cathodoluminescence Microscope for Low Intensity Luminescence: RESEARCH METHOD PAPER

Karl Ramseyer , Josef Fischer, Albert Matter , Peter Eberhardt, Johannes Geiss

Journal of Sedimentary Research (SEPM)

... the sample side and observation of the luminescence from the reverse side. The observed luminescence intensity is proportional to the inverse square...

Constraints on the Formation of Pliocene Hummocky Cross-stratification in Calabria (Southern Italy) from Consideration of Hydraulic and Dispersive Equivalence, Grain-Flow Theory, and Suspended-Load Fallout Rate

Peter G. DeCelles, William Cavazza

Journal of Sedimentary Research (SEPM)

... sandstone: Journal of Sedimentary Petrology, v. 3, p. 329. SALLENGER, A.H., JR., 1979, Inverse grading and hydraulic equivalence in grain flow deposits...

Lithologic Controls on Morphology of Pressure-Dissolution Surfaces (Stylolites and Dissolution Seams) in Paleozoic Carbonate Rocks from the Mideastern United States

L. Bruce Railsback

Journal of Sedimentary Research (SEPM)

..., frequency of such offsets along the surface, in occurrences per unit distance. Frequency is thus the inverse of the average spacing of offsets. In theory...

Quantitative Biofacies Mapping: GEOLOGICAL NOTES

Charles F. Upshaw , Francis G. Stehli

AAPG Bulletin

... for the calcareous benthonic element in the foraminiferal population. This map shows that calcareous benthonics bear an inverse distribution relationship...

Skin-Friction (?) Lines Preserved on Flute Casts, Franciscan Complex, Point St. George, Northern California

K.R. Aalto

Journal of Sedimentary Research (SEPM)

... inverse grading exists locally at the base of the bed. The bed overlies 15 cm of shale, which is in fault contact with tightly folded, thin- to medium...

An Optical Interferometric Method for the Measurement of Microdeformation in Sediments: RESEARCH METHOD PAPER

Nils-Gunnar Ohlson , Dorothy Guy-Ohlson

Journal of Sedimentary Research (SEPM)

... parameters by examining deformed fossil specimens. In applied mechanics, this is usually referred to as an "inverse problem", which involves reconstruction...

Chapter 86: Outcrop Examples of Amalgamated Channel Complexes, Tabernas Basin, Spain

Stephen P. J. Cossey, Kick Kleverlaan

AAPG Special Volumes

... a distance of 40 m (131 ft). Thick sandstone beds internally display well-stratified successions of normal and inverse grading, occasionally intercalated...

An Overview of Low-temperature Thermochronology in the Rocky Mountains and Its Application to Petroleum System Analysis

S. Lynn Peyton, Barbara Carrapa

AAPG Special Volumes

..., Geophysical Monograph Series 154, p. 55–70. Ketcham, R. A., 2005, Forward and inverse modeling of low-temperature thermochronometry data: Reviews...

Abstract: Enhanced 3-D Imaging in Difficult Areas from Texas to Yemen, Case History, by T. R. Nickoloff and J. C. Manatt, Jr.; #90937 (1998).

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Interpretation of Hydrocarbon Shows Using Light (C1-C5) Hydrocarbon Gases from Mud-Log Data

J. H. Haworth , M. Sellens , A. Whittaker

AAPG Bulletin

.... The Bh ratio was chosen for two reasons. First, it calculates as a nearly inverse relationship to the Wh ratio. Second, by placing both C1 and C2...

Structural Restoration of Seismic and Geologic Sections in Extensional Regimes (1)

ALAN G. NUNNS

AAPG Bulletin

... of the designated reference horizon. Assuming plane strain, structural restoration is achieved by an inverse deformation transformation that moves each point (x...

Contributions of Compaction and Aquathermal Pressuring to Geopressure and the Influence of Environmental Conditions (1)

XIAORONG LUO and GUY VASSEUR

AAPG Bulletin

..., the greater the coefficient, the smaller the effect of aquathermal factor. This result is inverse to that predicted by some researchers (Magara, 1975; Barker...

Contributions of Compaction and Aquathermal Pressuring to Geopressure and the Influence of Environmental Conditions: REPLY

Xiaorong Luo , Guy Vasseur

AAPG Bulletin

... 1993 2011 2014 77 11. (November) Bethke, C. M., 1986, Inverse hydrologic analysis of the distribution and origin of Gulf Coast-type geopressured...

New tools for seismic stratigraphic interpretation: Stratal convergence and instantaneous isochron attribute cubes derived from volumetric flattening of experimental strata

Jesse Lomask, Jason M. Francis, James Rickett, Marc L. Buursink, Thomas P. Gerber, Martin Perlmutter, Chris Paola

AAPG Bulletin

.... (2006) presented a series of algorithms for efficient full-volume horizon autopicking based on geophysical inverse theory. Unlike methods that track...