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The AAPG/Datapages Combined Publications Database
Showing 715 Results. Searched 200,616 documents.
Geochemically-Driven Petrophysical Transformations in Caney Shale and Their Impact on Reservoir Productivity
Gabriel Awejori, Wenming Dong, Christine Doughty, Mileva Radonjic
Unconventional Resources Technology Conference (URTEC)
... microscope in backscatter electron mode with a working distance of approximately 7µm. For the pre-reaction sample, no coating is applied. The voltage...
2024
Chapter 16: Integrated Paleomagnetic and Diagenetic Study of the Mississippian Limestone, North–Central Oklahoma
R. Douglas Elmore, Justin Haynes, Sarah Farzaneh, Simon Anzaldua
AAPG Special Volumes
... photomicrograph (backscatter) of sphalerite (sl) from the Severin core (cal = calcite; py = pyrite). The diagenetic events can be subdivided...
2019
Structural and Stratigraphic Relationships of Hydrocarbon Seeps in the Northern Gulf of Mexico and Geological Factors Contributing to Migration Variations
Margaret Dalthorp, Thomas H. Naehr
GCAGS Transactions
... the reflected backscatter which has a different character depending on the reflecting medium. A dark image on SAR data may indicate lack of wind...
2011
The Geometry and Thickness of Deformation-band Fault Core and its Influence on Sealing Characteristics of Deformation-band Fault Zones
Z. K. Shipton, J. P. Evans, L. B. Thompson
AAPG Special Volumes
... and with cathodoluminescence (CL) and backscatter (BSEM) modes on an electron microscope. Thin sections of fault rock were oriented perpendicular to the fault...
2005
Pore-to-regional-scale Integrated Characterization Workflow for Unconventional Gas Shales
Roger M. Slatt, Paul R. Philp, Younane Abousleiman, Prerna Singh, Roderick Perez, Romina Portas, Kurt J. Marfurt, Steven Madrid-Arroyo, Neal O'Brien, Eric Eslinger, Elizabeth T. Baruch
AAPG Special Volumes
... in the Barnett Shale pellet zone. (A) Backscatter modescanning electron microscope image of all pellet locations (high concentrations of dots outline...
2012
Crystal Growth Diagrams as an Aid to Interpreting the Fabrics of Calcite Aggregates
J.A.D. Dickson
Journal of Sedimentary Research (SEPM)
... sections of calcite as growth surfaces or in chemical zonation by staining, cathodoluminescence or backscatter techniques. The identification...
1993
Geochemistry and Crystal Morphology of Aragonite Cements of Mixing-zone Origin, Barbados, West Indies
Tod N. Kimbell and John D. Humphrey
Journal of Sedimentary Research (SEPM)
... samples and examined for diagnostic petrographic features. Electron microprobe data and backscatter electron images (BEI) were collected on a JEOL-8600...
1994
Noncrystallographic Calcite Dendrites from Hot-Spring Deposits at Lake Bogoria, Kenya
Brian Jones , Robin W. Renaut
Journal of Sedimentary Research (SEPM)
.... Despite this, some SEM photomicrographs had to be taken in the backscatter mode to negate charging effects. THE LAKE BOGORIA GEOTHERMAL FIELD Geothermal...
1995
Influence of Depositional Sand Quality and Diagenesis on Porosity and Permeability: Examples from Brent Group Reservoirs, Northern North Sea
S. N. Ehrenberg
Journal of Sedimentary Research (SEPM)
... samples, the calculated albite should be equivalent to the total plagioclase content because SEM studies (combined backscatter electron and energy...
1997
The Response of Suspended Particulate Material to Upwelling and Downwelling Events in Southern Lake Michigan
Chang-Hee Lee , Nathan Hawley
Journal of Sedimentary Research (SEPM)
... Lakes Research, v. 13, p. 375-386. LYNCH, J.F., GROSS, T.F., SHERWOOD, C.R., IRISH, J.D., AND BRUMLEY, B.H., 1997, Acoustical and optical backscatter...
1998
Bacterially Mediated Formation of Carbonate Concretions in the Oligocene Boom Clay of Northern Belgium
M. De Craen , R. Swennen , E.M Keppens , C.I. Macaulay , K. Kiriakoulakis
Journal of Sedimentary Research (SEPM)
... (CL), scanning electron (SEM), and backscatter electron microscopy (BSEM) were used for petrographical characterization. Cathodoluminescence...
1999
Diagenesis and Crystal Caskets: Echinoderm Mg Calcite Transformation, Dry Canyon, New Mexico, U.S.A.
J.A.D. Dickson
Journal of Sedimentary Research (SEPM)
... analysis (EDEMA) was conducted on the same carbon-coated thin sections as used for SEM backscatter observations; accelerating potential = 20 kV, beam...
2001
Origin of Sr-Rich Magnesian Calcite Mud in a Holocene Pond Basin (Lee Stocking Island, Bahamas)
George R. Dix
Journal of Sedimentary Research (SEPM)
...- and atmosphere-derived CO2 in endmember marine and meteoric waters (Fig. 9). LSI mud is compositionally more depleted in 13C FIG. 4. Backscatter electron images...
2001
Glaucony in Ocean-Margin Sequence Stratigraphy (Oligocene-Pliocene, Offshore New Jersey, U.S.A.; ODP LEG 174A)
Stephen P. Hesselbo , Jenny M. Huggett
Journal of Sedimentary Research (SEPM)
... depositional sequences (offshore New Jersey, U.S.A.; Oligocene to Pliocene). Thin section and backscatter scanning electron microscope (BSEM) analyses...
2001
Postdepositional Sm/Nd Fractionation in Sandstones: Implications for Neodymium-Isotope Stratigraphy
S.N. Ehrenberg, P.H. Nadeau
Journal of Sedimentary Research (SEPM)
...) Backscatter-electron photomicrograph showing apatite (bright gray) coating quartz grains (dark gray) in the Garn Formation (well 6406/6-1, 4228.00 m...
2002
Combined-Flow Processes and Sedimentary Structures on the Shoreface of the Wave-Dominated Grande-Riviere-de-la-Baleine Delta
Philip R. Hill, Samuel Meule, Hugues Longuepee
Journal of Sedimentary Research (SEPM)
... burst) using an InterOcean S4 current meter positioned at 1.0 m above the seabed. Two optical backscatter sensors (OBS), positioned at 30 cm and 100 cm...
2003
Early Marine Lithification and Hardground Development on A Miocene Ramp (Maiella, Italy): Key Surfaces to Track Changes in Trophic Resources in Nontropical Carbonate Settings
Maria Mutti, Daniel Bernoulli
Journal of Sedimentary Research (SEPM)
... microscope, and backscatter electron images were used to map the distribution of P and Fe, thus complementing the petrographic observations at a very...
2003
Micro-Sized Dolomite Inclusions in Ferroan Calcite Cements Developed During Burial Diagenesis of Kimmeridgian Reefs, Northern Iberian Basin, Spain
M. Isabel Benito, Kyger C. Lohmann, Ramon Mas
Journal of Sedimentary Research (SEPM)
... electrons and backscatter images of a MDI formed along a cleavage plane (black arrows). MDIs have elemental and isotopic compositions very similar...
2006
Inside-Out Dolomite
Brian Jones
Journal of Sedimentary Research (SEPM)
... of Sedimentary Research, v. 72, p. 560–570. Jones, B., and Luth, R.W., 2003a, Petrography of finely crystalline Cenozoic dolostones as revealed by backscatter...
2007
Generation of Carbonate Particles and Laminites in Algal Mats--Example from Sea-Marginal Hypersaline Pool, Gulf of Aqaba, Red Sea
Gerald M. Friedman , Abraham J. Amiel , Moshe Braun , Donald S. Miller
AAPG Bulletin
... concentration of magnesium, including "hot spots." Right photograph is backscatter-electron image of same area. Note fibrous rim of ooid. Darker areas...
1973
Hydrocarbon filling and leakage history of a deep geopressured sandstone, Fulmar Formation, United Kingdom North Sea
Mark Wilkinson, R. Stuart Haszeldine, Anthony E. Fallick
AAPG Bulletin
.... (2000a, b). The percentage of each mineral in the separates was determined by image analysis of backscatter scanning electron micrographs (BS-SEM...
2006
Spatial variation of microstructure and petrophysical properties along deformation bands in reservoir sandstones
Anita Torabi, Haakon Fossen
AAPG Bulletin
... variations in porosity and permeability along deformation bands by using backscatter image processing and microtextural investigations. We also...
2009
Characterization of gas shale pore systems by porosimetry, pycnometry, surface area, and field emission scanning electron microscopy/transmission electron microscopy image analyses: Examples from the Barnett, Woodford, Haynesville, Marcellus, and Doig units
Gareth R. Chalmers, R. Marc Bustin, Ian M. Power
AAPG Bulletin
..., samples were not coated, and a low voltage (i.e., 1 kV) was used to prevent sample charging. Under those conditions, backscatter electron microscopy...
2012
Organic matterhosted pore system, Marcellus Formation (Devonian), Pennsylvania
Kitty L. Milliken, Mark Rudnicki, David N. Awwiller, Tongwei Zhang
AAPG Bulletin
... homogeneous texture and distribution of OM within intermineral spaces. Sample 38. Secondary electron image with a backscatter electron component.Figure 9...
2013
Oil retention and porosity evolution in organic-rich shales
Yuanjia Han, Brian Horsfield, Richard Wirth, Nicolaj Mahlstedt, and Sylvain Bernard
AAPG Bulletin
... of secondary and ion-milled backscatter SEM methods: Canadian Unconventional Resources and International Petroleum Conference, Calgary, Alberta, Canada...
2017