Alteration of Sandstone as Revealed by Spheroidal Weathering

M. T. Heald, T. J. Hollingsworth, R. M. Smith

Journal of Sedimentary Research (SEPM)

... before spheroidal weathering and feldspar was actually undergoing dissolution with a loss in volume during the weathering. Expansion of phyllosilicates...

Vanadium, Nickel, and Porphyrins in Thermal Geochemistry of Petroleum

Gordon W. Hodgson , Bruce L. Baker

AAPG Bulletin

... to attribute the metal maturation of the crude oils to the mal action. And if the metal reduction rates are too slow to account for the apparent loss...

Argillation and Direct Bauxitization in Terms of Concentrations of Hydrogen and Metal Cations at Surface of Hydrolyzing Aluminum Silicates

W. D. Keller

AAPG Bulletin

..., 1955; Wilson and Treasher, 1938). High rock pressure, as well as the apparently high absorption pressure of K End_Page 241...

Mineralogy and Geochemistry of the Subcrenatum Marine Band and Associated Coal-Bearing Sediments, Langsett, South Yorkshire

D. A. Spears, H. I. Sezgin

Journal of Sedimentary Research (SEPM)

... absorption spectrometry following sample digestion in HF-HClO4. Ferrous iron was determined by potassium dichromate titration after HF-H2SO4 digestion...

Cherts with Moganite in Continental Mg-Clay Deposits: An Example of False Magadi-Type Cherts, Madrid Basin, Spain

M.A. Bustillo

Journal of Sedimentary Research (SEPM)

... to the interference from the surrounding quartz. Major oxides (Table 1) were determined by atomic absorption spectrometry. X-RAY DIFFRACTION...

Continuous Detection of Pyrolytic Carbon Monoxide: A Rapid Method for Determining Sedimentary Organic Facies: GEOLOGIC NOTES

Alan R. Daly , Kenneth E. Peters

AAPG Bulletin

... of hydrocarbons from kerogen is facilitated by cleavage of oxygen linkages. The loss of the CO-4 peak occurs at higher temperatures, suggesting more...

Classification of Offshore Gulf of Mexico Oils and Gas Condensates (1)

KEITH F. M. THOMPSON , MAHLON C. KENNICUTT II , and JAMES M. BROOKS

AAPG Bulletin

... atomic absorption spectrometry: Analytical Chemistry, v. 57, p. 1853-1863. Feeley, M. H., R. T. Buffler, and W. R. Bryant, 1984, Seismic stratigraphic...

Gas hydrates in Green Canyon Block 955, deep-water Gulf of Mexico: Part II, Insights and future challenges

Peter B. Flemings, Ann E. Cook, Tim Collett, and Ray Boswell

AAPG Bulletin

...% of the saturation estimates from quantitative degassing. If XCT data were collected with small samples of material with known x-ray absorption...

New insights on the retention and migration of shale oil within the hypersaline Qianjiang Formation in the Jianghan Basin, China

Zhiliang He, Yuanjia Han, Qinglai Luo, Fu Wang, Furong Wang, and Shiqiang Wu

AAPG Bulletin

... loss of gasoline and light hydrocarbons, which was estimated to account for approximately 25% to 65% of pristine S1 values (Qian et al., 2022...

An Overview of the Distribution of Inert Gases in Deeper Reservoirs of the Sulaiman Fold Belt, Pakistan; #41117 (2013)

Adeel Nazeer, Tabinda Tariq, Ghulam Murtaza, S. Habib Shah, and Aisha Danyal

Search and Discovery.com

..., and was completed at 850 °C; i.e., when a loss of 44 wt% cor-responding to the stoichiometric CO2 amount in CaCO3 was achieved. This temperature ranges in study area...

The Shale Activity Test (SAT); #41855 (2016)

Konstandinos Zamfes, Chris Smart, Steve Zamfes

Search and Discovery.com

... a filtrate parameter or liquid loss. The third distortion is the complex of the three-dimensional stress system on the path of the well...

Cretaceous and Lower Tertiary Coals As Source For Gas Accumulations in the Rocky Mountain Area

Fred F. Meissner

Rocky Mountain Association of Geologists

... of metamorphism or thermal maturity. Progressive metamorphic evolutionary decreases in the HIC ratio indicate loss of hydrogen from the kerogen...

Lithologic, mineralogical, and petrophysical characteristics of the Eau Claire Formation: Complexities of a carbon storage system seal

Ryan J. Neufelder, Brenda B. Bowen, Richard W. Lahann, John A. Rupp

Environmental Geosciences (DEG)

..., and they also rely on a competent overlying caprock to prevent vertical migration and subsequent loss of the fluid. As such, evaluative processes...

Cryptic diagenetic changes in Quaternary aragonitic shells: A textural, crystallographic, and trace-element study on Amiantis purpurata (Bivalvia) from Patagonia, Argentina

M. Sol Bayer, Fernando Colombo, Natalia S. De Vincentis, Gonzalo A. Duarte, Raúl Bolmaro, Sandra Gordillo

PALAIOS

... (Fig. 7). Trends of decreasing Na, S, and Sr with increasing diagenesis, interpreted as the result of loss during neomorphic inversion of aragonite...

Stimulation Treatments in the Bakken Formation: Implications for Horizontal Completions*

David D. Cramer

Montana Geological Society

..., and oil; use of fluid loss additives and propping agents; and size of treatment The degree of reservoir sensitivity is related...

Microbial Biofacies and the Influence of Metazoans in Holocene Deposits of the Lagoa Salgada, Rio De Janeiro State, Brazil

Fresia Ricardi-Branco, Flavia Callefo, Rafael A. Cataldo, Nora Noffke, Luiz Carlos R. Pessenda, Alexandre C. Vidal, Fabio Cardinale Branco

Journal of Sedimentary Research (SEPM)

... external factors such as the sedimentary evolution of the lagoon, the closure of the lagoon, its loss of connection with the sea, and the physicochemical...

Preservation and distribution of detrital clay coats in a modern estuarine heterolithic point bar in the Gironde estuary (Bordeaux, France)

Maxime Virolle, Benjamin Brigaud, Hugues Féniès, Raphaël Bourillot, Eric Portier, Patricia Patrier, Hervé Derriennic, Daniel Beaufort

Journal of Sedimentary Research (SEPM)

.... Appleby, P.G., Richardson, N., and Nolan, P.J., 1992, Self-absorption corrections for well-type germanium detectors: Nuclear Instruments and Methods...

Piper Oil Field

C. E. Maher

AAPG Special Volumes

.... In addition to scale formation on injection water breakthrough, they reported the loss of 100 tons per day of magnesium from 500,000 b/d of injected water...

ABSTRACT: Chemical Characterization of Fusinite by Reflectance Micro-FTIR Spectroscopy

Yingting Guo, John J. Renton, John J.Penn

The Society for Organic Petrology (TSOP)

... characteristics of pyrofusinite and degradofusinite. The most intense absorption peak in spectra of degradofusinite occurs at 1240 cml, which is derived from...

Abstract: Infrared spectrum of an individual fossil pollen grain measured as an organic maturation index

T. Aizawa, T. Ohbuchi, Y. Ujiié

The Society for Organic Petrology (TSOP)

... and an individual living pollen grain by means of reflectance micro-FTIR technique are wholly similar. Absorption intensities of aliphatic CH2, C=O...

PILOT PROJECT OF CARBON CAPTURE UTILIZATION TECHNOLOGY BY MICROALGAE IN DONGGI CENTRAL PROCESSING PLANT, PT. PERTAMINA EP CEPU

Reza Pahlepy, Wingky Suganda, Muchammad Sibro Mulis, Arief Partayudha, and Amanu Pinandito

Indonesian Petroleum Association

... to remove acid gases from feed gas, specifically 4% mole CO₂ and 0.4% mole H₂S, through amine solvent absorption. The removed H₂S is treated...

X-Ray Fluorescence Determination of Ni, Cu, and Zn in Rock Powders with Variable Matrices: ABSTRACT

J. R. Smith, R. G. Arnold

AAPG Bulletin

... absorbed by the sample as a measure of the absorption characteristics of the sample for the X-ray wavelengths concerned. The method was calibrated...

Boron as Paleosalinity Indicator Not Affected by Carbon in Clay Fractions: ABSTRACT

Charles T. Walker

AAPG Bulletin

... boron absorption. The validity of boron as a paleosalinity indicator consequently has been questioned. Analogous studies of illitic clay fractions from...

Recent Silica Gel from Saline Lake in Galapagos Islands: ABSTRACT

Paul A. Colinvaux, Daniel Goodman

AAPG Bulletin

... spectroscopy of a sample which had separated during storage revealed no absorption at 6 µ, precluding the presence of peptide bonds. There was little...

Abstract: Extraction of Gold from Petroleum, by A. Sotnikov; #90911 (2000)

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