pXRF assessment of new magmatic fertility indicators in the Macquarie Arc

Tristan Wells, Sebastien Meffre, David Cooke, Jefferey Steadman, Jonathon Hoye

Petroleum Exploration Society of Australia (PESA)

... pXRF analysis of magmatic fertility using; ME-XRF26 method for majors, trace elements by MEMS81, ME-MS42 ME-4AC81 methods, C and S by LECO...

Biogeochemistry of Sediments in Experimental Mohole

S. C. Rittenberg, K. O. Emery, Jobst Hulsemann, E. T. Degens, R. C. Fay, J. H. Reuter, J. R. Grady, S. H. Richardson, E. E. Bray

Journal of Sedimentary Research (SEPM)

... from near-surface layers. GRAIN-SIZE DISTRIBUTION Grain-size analyses were made by the standard pipette method (Krumbein and Pettijohn, 1938, p...

Trace Fossils and Mid-Cretaceous Anoxic Events in the Atlantic Ocean

A. A. Ekdale

Special Publications of SEPM

... 3 to 5 million years or less but it apparently was consid erably greater in stagnation intensity i e in terms of organic richness and carbon...

Application of Inorganic Whole-Rock Geochemistry to Shale Resource Plays: an Example from the Eagle Ford Shale, Texas

G. Hildred, K. Ratcliffe, , and K. Schmidt

Houston Geological Society Bulletin

..., this is achieved using x-ray diffraction (XRD) and LECO analysis respectively. However, major element geochemistry can been used to provide semi-quantitative...

Applying Digital Rock Characterization to a New Anadarko Basin Shale Play

Tiffany Hintzman, Joel D Walls, Anyela Morcote

Unconventional Resources Technology Conference (URTEC)

... to traditional lab measurements, including LECO TOC, Tmax, XRD mineralogy, porosity, and permeability. The range in porosity measurements obtained from...

Hydrocarbon Source Potential of Organic Facies of the Lacustrine Elko Formation (Eocene/Oligocene), Northeast Nevada

Susan E. Palmer

Rocky Mountain Association of Geologists

... of representative samples for detailed geochemical study. Total organic carbon was determined using a LECO WR12 carbon analyzer. Kerogen was isolated...

Tar-Mat Samples as Timing Indicators of Episodic Fill-and-Spill Oil Migration History in an Albian Channel-Splay Complex from the Outeniqua Petroleum System, South Africa, by Christopher P. Davies, #10190 (2009).

Search and Discovery.com

A New Look at the Organic Geochemical Variability in the Woodford Shale of the Ardmore Basin: Paleoweathering and Organic Matter Source, #41799 (2016).

Clifford DeGarmo, Thanh Nguygen, R. Paul Philp

Search and Discovery.com

... Stratigraphic Position (m) 90 Upper 100 CC 0 10 20 CC (wt.%) 30 TOC measured by LECO method; “CC” is carbonate content 40 AVG. CC • Upper – 5.5 wt...

A Comparative Assessment of Biomarker-Based Thermal Maturity Parameters

Titilade Aderoju, Stephen Bend

AAPG Special Volumes

..., J. Paulet, et al., 1977, Rapid method for source rocks characterization and for determination of petroleum potential and degree of evolution: Oil...

Experimental Study of Hydrocarbon Vaporization for EOR Applications in Shales

Judah Odiachi, Felipe Cruz, Ali Tinni

Unconventional Resources Technology Conference (URTEC)

...% and total porosity of 10.5%. This TOC value was measured with the Leco method after acidizing the sample to remove the inorganic carbon while...

Hydrocarbon Generation Indications from Source Rock to Reservoir Rock: Case Studies of Anambra and Abakaliki Basins, Southeastern Nigeria; #10911 (2017)

Rita U. Onolemhemhen, Samuel Salufu, Sunday O. Isehunwa

Search and Discovery.com

... in these basins. 5 Materials and Method • Thirty eight samples of shale were collected from the study area; thirteen samples were collected from...

Characterization of Eocene lacustrine source rocks and their oils in the Beibuwan Basin, offshore South China Sea

Baojia Huang, Weilin Zhu, Hui Tian, Qiuyue Jin, Xianming Xiao, and Chenhui Hu

AAPG Bulletin

... method for petroleum exploration: 9th Annual Offshore Technology Conference, Houston, Texas, May 2–5, 1977, OTC-2935-MS, 6 p., doi:10.4043/2935-MS...

Shale oil potential of lacustrine black shale in the Eocene Dongying depression: Implications for geochemistry and reservoir characteristics

Chao Liang, Yingchang Cao, Zaixing Jiang, Jing Wu, Song Guoqi, and Yongshi Wang

AAPG Bulletin

.... Pranter, 2016, Regional stratigraphy, elemental chemostratigraphy, and organic richness of the Niobrara Member of the Mancos Shale, Piceance Basin...

Factors controlling the formation of primary microbial gas in the upper Quaternary sediments of the Jiangsu–Zhejiang coastal plain, eastern China

Xia Zhang, Chunming Lin, Robert W. Dalrymple, Shuya Huang, Yanyan Zhao, Changfa Xia, Shu Gao, Kaixi Jiang, and Xin Li

AAPG Bulletin

... Methods The chemical compositions and stable isotopy of gas samples were measured using the method proposed by Ni et al. (2013). Gas composition analyses...

Geochemical Indicators of Depositional Environment and Source-Rock Potential for the Upper Ordovician Maquoketa Group, Illinois Basin

John M. Guthrie, Lisa M. Pratt

AAPG Bulletin

... Group. Total carbon and sulfur contents of powdered whole rocks were obtained using a Leco C/S 244 analyzer. Homogenized splits of the whole rock...

Impact of Solvent Extraction on Surface Area Measurements in Organic-Rich Shales using Nitrogen Adsorption

Ankita Sinha, Son Dang, Carl Sondergeld, Chandra Rai

Unconventional Resources Technology Conference (URTEC)

... is used extensively in surface chemistry analysis for the characterization of porous materials, but numerous studies have recently used this method (Ross...

NMR Time-Lapse Wettability Assessments in Unconventionals: Insights from Imbibition

S. Kelly, R. J. M. Bonnie, M. J. Dick, D. Veselinovic

Unconventional Resources Technology Conference (URTEC)

... deliverability is often unclear. A robust quantitative method to determine and compare wettability among samples is needed. Such information can potentially...

A THEROPOD NESTING TRACE WITH EGGS FROM THE UPPER CRETACEOUS (CAMPANIAN) TWO MEDICINE FORMATION OF MONTANA

FRANKIE D. JACKSON, REBECCA J. SCHAFF, DAVID J. VARRICCHIO, JAMES G. SCHMITT

PALAIOS

.... canadensis eggs yields a volume and mass of approximately 194 cm3 and 205 g for each egg. This method provides a more accurate estimation...

Tectonic control on hydrocarbon generation in the northwestern Neuquén Basin, Argentina

Harald Karg, and Ralf Littke

AAPG Bulletin

...:10.1007/978-3-642-60423-2. Welte, D. H., and M. N. Yalçin, 1988, Basin modelling—A new comprehensive method in petroleum geology: Organic...

Iron Sulfides in Pleistocene Deep Black Sea Sediments and Their Paleo-Oceanographic Significance: Geochemistry

Robert A. Berner

AAPG Special Volumes

... sulfide and analyzed by the acidification method described above. A portion of the residue from acid and acetone extraction then was analyzed for all...

Effects of Biodegradation on Crude Oils: Section II. Characterization, Maturation, and Degradation

D. E. Miiller, A. G. Holba, W. B. Hughes

AAPG Special Volumes

... in Merryfield and Loyd (1979). Total sulfur concentrations (Williams, 1983) were determined by the LECO method. Deasphalted oils and bitumens were separated...

The impact of rock composition on geomechanical properties of a shale formation: Middle and Upper Devonian Horn River Group shale, Northeast British Columbia, Canada

Tian Dong, Nicholas B. Harris, Korhan Ayranci, and Sheng Yang

AAPG Bulletin

... in Weatherford Laboratories by LECO combustion. A second sample split was analyzed at Acme Analytical Laboratories using inductively coupled plasma...

Sedimentological and geochemical insights into the opening of the Cretaceous interior seaway: The Lower Cretaceous Skull Creek Formation, Colorado

Patrick M. Sullivan, Stephen A. Sonnenberg, Brian T. Hankins, and James W. Hagadorn

AAPG Bulletin

...) was measured using LECO TOC analysis in wells B and C, whereas TOC was measured by programmed pyrolysis in well A. Each core was sampled at 5- to 10-ft spacing...

Hydrocarbon generation capability of Sinian–Lower Cambrian shale, mudstone, and carbonate rocks in the Sichuan Basin, southwestern China: Implications for contributions to the giant Sinian Dengying natural gas accumulation

Chunhua Shi, Jian Cao, Xiucheng Tan, Bing Luo, Wei Zeng, Haitao Hong, Xin Huang, and Yong Wang

AAPG Bulletin

... rock is roughly estimated by a model established based on the relationship between logging data and organic richness (TOC). Figure 3. Isopach maps...

Upper Oligocene lacustrine source rocks and petroleum systems of the northern Qaidam basin, northwest China

Andrew D. Hanson, Bradley D. Ritts, David Zinniker, J. Michael Moldowan, Ulderico Biffi

AAPG Bulletin

... an effect (Begin page 607) weathering of outcrop samples might have had on our results. Leco total organic carbon (TOC, wt. %) data generated...