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The AAPG/Datapages Combined Publications Database
Showing 625 Results. Searched 196,431 documents.
Delaware Basin Leonard Reservoir Characterization, New Mexico and Texas
Sarah Rittenhouse, Yamin Li, Kate Hughston-Kennedy, Joanna Fritz, Jess Pritchard, Lauren Cassel, Valentina Baum, Sarah Liem, Tom Mooney
Unconventional Resources Technology Conference (URTEC)
..., a selective/smart sampling method is implemented, where a sample is selected based on facies (as opposed to statistical sampling). Preferably, a sample...
2017
Organic Geochemistry of Dredge Samples and Oil Seeps from the Southern Tonga Platform
Mark W. Sandstrom
Circum Pacific Council Publications
.... Encrusting organisms on rock surfaces, if present, were removed. Total and organic carbon analysis was performed using a LECO 70-Second Analy ser...
1985
Iron Content of Organogenic Dolomite as a Reflection of Chemical Reactions within the Zone of Sulfate Reduction: A Potential Tool for Depositional Studies of Organic-Rich Mudstones
Haleigh Howe, Steve Chipera, Leonardo Alcantar-Lopez
Unconventional Resources Technology Conference (URTEC)
... angle. Quantitative analysis was performed using the Fullpat method published by Chipera and Bish (2002). Total organic carbon is included...
2016
Effects of Diagenesis on Reservoir Properties and Log Response, Upper Jurassic Taylor Sandstone, Cotton Valley Group, Lincoln Parish, Louisiana
Michael Trojan
GCAGS Transactions
... Method). Formation resisitivity is affected even at low percentages of pyrite, and shows an exponential decrease with increasing pyrite concentration...
1985
Fracturing Fluids Effect on Mechanical Properties in Shales
Juan C Acosta, Son Dang, Mark Curtis, Carl Sondergeld, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
... are determined using nanoindentation, a recently developed nondestructive method that can measure Young’s modulus and hardness on small samples such as chips...
2020
Evaluation of Hydrogen Interaction with Mudrocks: Implication for Geo-Storage
Sidi Mamoudou, Son Dang, Mark Curtis, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
... minerals. TOC was measured with a Leco® Corporation 844 instrument. Table 1 – Petrophysical description of the samples used in the study. Sample...
2024
Geologic Characterization of the Hydrocarbon Resource Potential of the Upper Cretaceous Tuscaloosa Marine Shale in Mississippi and Louisiana, U.S.A.
Catherine B. Enomoto, Paul C. Hackley, Brett J. Valentine, William A. Rouse, Frank T. Dulong, Celeste D. Lohr, Javin J. Hatcherian
GCAGS Transactions
...- and siltstone-rich upper Tuscaloosa correlative strata. Figure 3. Illustration of well log correlation method used in this study and the Upper Cretaceous...
2017
Occurrence of Pyrite and Carbonate Minerals in a Lowland Moor Area
Bjarne Holm Jakobsen
Journal of Sedimentary Research (SEPM)
... analyzed by X-ray diffraction using Co-K radiation. Total C was determined by combustion in a LECO induction furnace. The carbonate was dissolved in 4 N...
1987
Facies and Depositional Environments of the Energy Shale Member (Pennsylvanian) and their Relationship to Low-sulfur Coal Deposits in Southern Illinois
Mitchell K. Burk, Marc P. Deshowitz, John E. Utgaard
Journal of Sedimentary Research (SEPM)
... also analyzed for total sulfur content using a Leco infrared sulfur analyzer. All samples were run in triplicate or until three values were within 5...
1987
Mud Volcanoes of Azerbaijan - Windows to the Subsurface; #40469 (2009)
Ulrich Berner, Georg Scheeder, Jolanta Kus, and Ulviyya Movsumova
Search and Discovery.com
... Cosmochimica Acta, v. 47/5, p. 855-862. Espitalie, J., J.L. Laporte, M. Madec, F, Marquis, P. Leplat, J. Paulet, and A. Boutefeu, 1977, Rapid method...
2009
The Trace Fossil Tisoa Siphonalis in its Type AreaCharacteristics and Environmental Significance
Andreas Wetzel, Jean-Philippe Blouet
PALAIOS
... analyses. Carbonate and organic carbon (Corg) content was measured using LECO RC612 equipment (LECO Corporation, St. Joseph, MI, USA). About 0.5 g TABLE...
2023
Regional Assessment of Suitability of Organic-Rich Gas Shales for Carbon Sequestration: An Example from the Devonian Shales of the Illinois and Appalachian Basins, Kentucky
Brandon C. Nuttall, James A. Drahovzal, Cortland F. Eble, R. Marc Bustin
AAPG Special Volumes
... suggest that CO2 is preferentially adsorbed (5.3:1) and would displace CH4, leading to a potential method for enhancing natural gas recovery in gas...
2009
Organic Facies and Maturation of Sediments from Three Scotian Shelf Wells
P.K. Mukhopadhyay, J.A. Wade
CSPG Bulletin
... kerogen concentrates were prepared following the method described by Barss and Williams (1973). Whole rock and kerogen polished plugs were prepared...
1990
Petroleum migration and accumulation in a shale oil system of the Upper Cretaceous Qingshankou Formation in the Songliao Basin, northeastern China
Wenming Ji, Fang Hao, Fanhao Gong, Jian Zhang, Yunfeng Bai, Chao Liang, and Jinqiang Tian
AAPG Bulletin
... 430-M analysis system. The TOC content was determined by a Leco SC-744 instrument as weight percent of the initial rock sample. Before TOC analysis...
2024
The Elucidation of Dolomitization Events Using Nuclear Track Mapping
Peter K. Swart
Special Publications of SEPM
... of contamination It is clear that adsorbed B is particularly difficult to remove from samples and that previous analyses may in some manner be the method...
1988
Identification of Short-Term Changes in Sediment Depositional Rates: Importance in Environmental Analysis and Impact Investigations
Wayne C. Isphording , F. Dewayne Imsand , Gregory W. Isphording
GCAGS Transactions
... conditions. Sulphur Analyses. -- Analyses for total sulphur content were carried out using a LECO sulphur titrator and also served to confirm the position...
1984
Organic Carbon and Nitrogen in the Surface Sediments of Lakes Ontario, Erie and Huron
A. L. W. Kemp
Journal of Sedimentary Research (SEPM)
...., AND A. L. W. KEMP, 1970, A quantitative method for the determination of chlorin pigments in Great Lakes sediment: Proc. 13th Conf. Great Lakes Res...
1971
Determining Organic Kerogen Maturity, Wettability, and Producibility from Induction Dielectric, Resistivity, and Spectroscopy Measurements
John C. Rasmus, Dean Homan, Gong Li Wang
Unconventional Resources Technology Conference (URTEC)
... organic carbon from multi-mineral volumetric analysis and dry weight total organic carbon from LECO method measured on core, track 11 – multi-mineral...
2021
Pore Evolution in the Barnett, Eagle Ford (Boquillas), and Woodford Mudrocks Based on Gold-Tube Pyrolysis Thermal Maturation, #51228 (2016).
Lucy (Ting-Wei) Ko, Tongwei Zhang, Robert G. Loucks, Stephen C. Ruppel, Deyong Shao
Search and Discovery.com
... such as oil and gas yields, Rock-Eval, and Leco TOC analyses were used to characterize kerogen type and OM transformation stages. Samples were also prepared...
2016
Evaluating Petroleum Character and Charge from Different Source-Rock Lithologies in the Woodford Shale and Caney Shale with Hydrous Pyrolysis; #51251 (2016)
Vincent S. Nowaczewski, Mike Lewan, Johnny Barton, Chris Palmer, Alex Tang, Steve Chipera
Search and Discovery.com
... Sample 3 LABORATORY TECHNIQUES USED • Leco TOC • Rock Eval 6 (RE6) • X-Ray Diffraction (XRD) • Gas Chromatography (GC) • Coupled Gas...
2016
Carbonate Cycles in Upper Cretaceous (Campanian) Demopolis Chalk, West-Central Alabama
Jeffrey D. Warren , Charles E. Savrda
GCAGS Transactions
... of 77 samples used in the initial carbonate analyses were determined using a LECO WR-12 thermal-conductivity carbon analyzer. This sample...
1998
Dynamic Micro-CT Imaging of Diffusion in Unconventionals
Andrew Fogden, Terri Olson, Michael Turner, Jill Middleton
Unconventional Resources Technology Conference (URTEC)
... horizontally (A1) or vertically (A2-A3). Table 1 lists the geologic age, porosity (Helium), TOC (LECO carbon analyzer) and mineral composition (XRD, or FTIR...
2015
Surface Sediments in Lake Tahoe, California-Nevada
James E. Court , Charles R. Goldman, Norman J. Hyne
Journal of Sedimentary Research (SEPM)
... of California: California Division of Mines and Geology Map Sheet. KINTER, E. B., AND DIAMOND, S., 1956, A new method for preparation and treatment...
1972
Organic Matter in Black Slate Shows Oxidative Degradation Within Only a Few Decades
Cornelius Fischer, Volker Karius, Volker Thiel
Journal of Sedimentary Research (SEPM)
... and atmospheric composition: Nature, v. 426, p. 323–326. Brumsack, H.J., 1981, A simple method for the determination of sulfide-sulfur and sulfate-sulfur...
2007
Laser-Induced Breakdown Spectroscopy (LIBS): An Emerging Spectroscopic Technique for Shale Rock Characterization
Jinesh Jain, Daniel Hartzler, Dustin McIntyre, Johnathan Moore, Dustin Crandall
Unconventional Resources Technology Conference (URTEC)
... outcrop samples. The outcrop samples were also analyzed for H and C content at the University of Western Kentucky using the Leco CHN TrueSpec analyzer...
2019