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The AAPG/Datapages Combined Publications Database
Showing 625 Results. Searched 196,436 documents.
Geochemical trends in whole-seam coal channel samples from the Sydney coalfield (upper carboniferous), Nova Scotia, Canada
Erwin L. Zodrow
Atlantic Geology
... A 4 0 2 0 0 0 0 0 0 1 ) ) 3-6 ) by Leco 1- 2 5 1 1 1 1 01 8 — — ? X-ray fluorescence. “ Direct reading emission s p e c t r o m e t r y w ith d...
1987
Caracterizaciónade Crudos de la Subsuenca de Barinas, Venezuela: Cromatografía de Gases de Alta Temperatura Y de Crudo Total. [PAPER IN SPANISH] Crude characterization of Barinas Subbasin, Venezuela: Chromatography of High Temperature Gas and of Total Cr
L. López, J. Torrealba, S. Lo Mónaco
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... determinaron en un equipo LECO (SC432). Sobre la base de la gravedad API los crudos de los campos La Victoria y Guafita, presentan valores entre 25...
2003
Micro-CT Analysis of Pores and Organics in Unconventionals Using Novel Contrast Strategies
Andrew Fogden, Thomas McKay, Michael Turner, Rohini Marathe, Tim Senden
Unconventional Resources Technology Conference (URTEC)
... (%) Leco (wt%) Plagioclase (%) S1 8.6 3.73 67.2 S2 13.0 5.69 19 Calcite (%) 0.0 52 Pyrite (%) 5.6 6 Clays Total (%) 26.7 21 All tomographic data...
2014
Black Siliceous Deposits in Peninsular Malaysia: Their Occurrence and Significance
Basir Jasin, Zaiton Harun, Siti Norhajar Hassan
Geological Society of Malaysia (GSM)
... content was analysed by using a CHNS-O Leco 932 instrument. The results of geochemical analyses are listed in Table 1 and Table 2. The Si02 content...
2003
Woodford Shale Mercury Anomalies from the McAlister Cemetery Quarry, Oklahoma: A North American Test of the Volcanic-Trigger Hypothesis for Late Devonian Mass Extinctions
Andrew Cullen
Oklahoma City Geological Society
... labs in Reno, NV, wherethey were pulverized to a size of <75mm. Weight percent Total Organic Carbon(TOC) was measured by LECO methodfollowing an HCl...
2020
Acoustic and geochemical evidences of shallow gas distribution offshore Waropen Basin, Papua, Indonesia
Yulinar Firdaus, Ali Albab, Subarsyah, Dida Kusnida, Riza Rahardiawan, Imam Setiadi, Shaska R. Zulivandama, Tumpal B. Nainggolan, Nazar Nurdin
Geological Society of Malaysia (GSM)
...). TOC analysis was carried out by the Geochemical Group of the Center for Research and Development of Oil and Gas Technology (Lemigas) using the LECO...
2021
Source-Rock Potential of the Austin Chalk, Upper Cretaceous, Southeastern Texas
George J. Grabowski, Jr.
GCAGS Transactions
... hydrochloric acid. The weight-percent carbonate was determined by difference, and the insoluble residue was combusted on a Leco Carbon Analyzer and organic...
1981
Organic Properties and Source Rock Potential of Two Early Tertiary Shales, Beaufort-Mackenzie Basin: GEOLOGICAL NOTE
Lloyd R. Snowdon
CSPG Bulletin
.... Tmax, HI, OI, S1, S2 and S3 are all standard Rock-Eval parameters (Espitalie and others, 1977). Organic carbon values determined by using a Leco WR12...
1987
An Integrated Geochemical and Paleoecological Approach to Petroleum Source Rock Evaluation, Lower Niobrara Formation (Cretaceous), Lyons, Colorado
Lisa K. Barlow
Rocky Mountain Association of Geologists
... a Laboratory Equipment Company (LECO) induction furnace and O gravimetric C , determinator. All samples were powdered and weighed to approximately...
1986
Petroleum Geochemistry and Mudstone Diagenesis of the Woodford Shale, Anadarko Basin, USA An Integrated Approach
Christopher D. Laughrey, Peter Purrazzella, K.N. Hooghan
Unconventional Resources Technology Conference (URTEC)
... Shale kerogens consist of 82 to 95% oil-prone liptinite. Figure 3: Leco TOC versus programmed pyrolysis S2 for Woodford Shale samples analyzed from...
2017
Diagenesis and Porosity Reduction in the Late Cretaceous Wyandot Formation, Offshore Nova Scotia: A Comparison with Norwegian North Sea Chalks
Steven J. Ings, R. Andrew MacRae, John W. Shimeld, Georgia Pe-Piper
CSPG Bulletin
... carbon from the total carbon. The calibration standard used was 0.0496 ± 0.0018 (LECO WR112 carbon determinator). The standard was run every 5–6...
2005
Cenomanian Shilaif Unconventional Shale Oil Potential in Onshore Abu Dhabi, UAE
Pierre Van Laer, Karl Leyrer, Magdalena Povstyanova, Muhammad Zeeshan Baig, Gennady Makarychev, Hassan Al-Marzooqi
Unconventional Resources Technology Conference (URTEC)
... Characterization, Geochemistry and Fluid Properties To assess the source rocks, Leco TOC, whole and extracted rock RockEval, SARA, GC, GC-MS and kinetics...
2019
Part 1: Empirical Workflow for Predicting Infill Performance in the Marcellus
Adam Chin, Adam Staruiala, Hamid Behmanesh, David Anderson, Christopher Alonzo, David Jones, Saul Rivera Barraza, Leo Lasecki, Kyle McBride
Unconventional Resources Technology Conference (URTEC)
...% as confirmed through XRD analysis) and kerogen contents of up to 15% (as confirmed through Leco TOC analysis and Rock Eval Pyrolysis). The high volume...
2019
Examining the origins and yield impact of a stratified oil column in the Montney Formation, NE BC
Dallin Laycock, Elizabeth Watt, Rick Tobin, Shaina Kelly, Michelle Johnston, Eric Michael
Unconventional Resources Technology Conference (URTEC)
... the 100/09-28-088-25W6/00 core were used for optical maturity and organic matter characterization. These were performed on resin pellets made with LECO...
2021
Hidden Success of Unconventional Oil Play Behind Robust Integration of Subsurface G and G Data. A Case Study of Shilaif Unconventional Oil Play, Abu Dhabi, UAE
Amena Alharthi, Muhammad Baig, Pierre Van Laer, Hassan Al Marzooqi, Abdulla Al Hashmi, Trevor Brooks, Aamer Al Bannay, Abdullah Al Blooshi, Mohammed Al Braiki
Unconventional Resources Technology Conference (URTEC)
...; that through Unconventional Core analysis (TRA, MICP, NMR, 3D SEM, Geomechanics, Geochemistry, LECO/HAWK TOC), reservoir uncertainties would be significantly...
2023
Blackening of Eolianite and Caliche Adjacent to Saline Lakes, Isla Mujeres, Quintana Roo, Mexico
William C. Ward, Robert L. Folk, James Lee Wilson
Journal of Sedimentary Research (SEPM)
... made by combustion of acid-treated samples in a Leco combustion chamber and measuring the volume of CO2, evolved. For S analyses, the samples were...
1970
Gas Generation Potential of Upper Jurassic (Tithonian) Source Rocks in the Sonda de Campeche, Mexico
Demetrio Santamara-Orozco, Brian Horsfield
AAPG Special Volumes
... AND METHODSGeochemical screening analyses, including LECO and Rock Eval, followed by extraction and separation in the fractions of saturated, aromatics...
2003
Pleistocene Turbidites of the Canada Abyssal Plain of the Arctic Ocean
John S. Campbell, David L. Clark
Journal of Sedimentary Research (SEPM)
... on the associated olive-gray lutite above and below the turbidites. The organic carbon analyses were run using both a Leco 734-200 Low Carbon Analyzer, which...
1977
Hydrocarbon Geochemistry in Surface Sediments of Alaskan Outer Continental Shelf: Part 1. C15+ Hydrocarbons
M. I. Venkatesan, I. R. Kaplan, E. Ruth
AAPG Bulletin
... of collection until the beginning of analysis. Total carbon and organic carbon were measured with a Leco No. 589-600 End_Page 831...
1983
Depositional Systems, Lithofacies, and Lithofacies Stacking Patterns of the Jurassic Smackover Formation (Oxfordian) and Buckner Anhydrite (Kimmeridgian) in Van Zandt County, Texas: A Type-Cored Section from Northeastern Texas
Peter Schemper, Robert G. Loucks, Qilong Fu
GCAGS Journal
..., Ltd., in Houston, Texas. Samples were analyzed for total organic carbon (TOC) and kerogen properties using Leco TOC and Rock-Eval pyrolysis. TOC...
2022
Sublacustrine geomorphology and modern sedimentation in a glacial scour basin, June Lake, eastern Sierra Nevada, U.S.A.
Eva C. Lyon, Michael M. McGlue, Edward W. Woolery, Sora L. Kim, Jeffery R. Stone, Susan R.H. Zimmerman
Journal of Sedimentary Research (SEPM)
... are reported. After drying and homogenizing bulk samples, total carbon (TC) was measured using a LECO SC-144DR carbon analyzer. Based on repeated measurements...
2019
Origin and Characterization of the Lithofacies and Dual Micropore/Macropore Network in Pennsylvanian (Early Desmoinesian) Caddo Shelf-Buildup Complexes, Stephens County, North-Central Texas
Robert G. Loucks, Qilong Fu
GCAGS Journal
... Complexes, Stephens County, North-Central Texas (MICP) analyses. Two source rock analyses (Leco TOC, RockEval–2, and maturity testing) were completed...
2016
Behavior of Mineral Matter during Coal Utilization - TSOP Short Course Presentation
David French, Colin Ward
The Society for Organic Petrology (TSOP)
... program Ash analysis ‐ lignite Chemical analysis ‐ limestone, fly ash and deposits Leco C and S determination Quantitative X‐ray diffraction...
2018
Depositional Processes of Layered/Laminated Mud Deposits on a Complex Deep-Water environment, Northern Gulf of Mexico
Efthymios K. Tripsanas;William R. Bryant , William R. Bryant, Niall C. Slowey and Daniel A. Bean
Special Publications of SEPM
... and a Coulter Counter. Nineteen samples were obtained from strategic locations from the cores, and their organic carbon content was determined using a Leco...
2004
Stratigraphy and Carbonate Petrology of the Waterways Formation, Judy Creek, Alberta, Canada
J. W. Murray
CSPG Bulletin
... determinations were completed using a Leco carbon analyzer. DEVONIAN STRATIGRAPHIC NOMENCLATURE AT JUDY CREEK AND ADJACENT AREAS The stratigraphic...
1965