Evaluating the Effects of First-Order Climatic State and Climate Transitions on Sediment Dynamics Using Detrital Zircons in the Amazon Source-to-Sink System

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Relating Chemical Speciation of Pore Fluids to Initial Seawater Chemistry and to Diagenetic Reaction Pathways: SrRSA Data Compilation, Gulf of Mexico, U.S.A.

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Abstract: Hydrothermal Alteration of the Cambrian Dolomite: Petrography and Geochemical Evidence from Deep Cores (7200-8500 m) in the Tarim Basin, Northwestern China; #90174 (2014)

Hairuo Qing, Daizhao Chen, Zhijun Jin, Liguo Cai, Shaonan Zhang, and Siyang Zhang

Search and Discovery.com

... was probably related to hydrothermal fluids in a relatively closed system that was buffered by the geochemistry of host dolostones. The results of this study...

CO2 Gradient Affects the Microbial Ecology of a Potential Sequestration Site; #80307 (2013)

Djuna Gulliver, Kelvin Gregory, and Gregory Lowry

Search and Discovery.com

... microbial population by one order of magnitude, suggesting that microbial shifts will occur even in highly buffered reservoirs due to exposure to CO2...

Supporting data-driven exploration in NSW

Keith Gates

Petroleum Exploration Society of Australia (PESA)

... and geology. To separate these datasets, individual survey points were spatially buffered and then unified to form distinct boundaries to form new...

ABSTRACT: Dual porosity reservoirs in the Ionian zone of the Albanian FFTB; #90011 (2002)

R. Swennen, M. Van Geet, C. Durmishi, F. Roure

Search and Discovery.com

... to their adjacent host rock. A rock buffered, i.e. closed diagenetic system is reflected in the stable isotopic signal of these veins (δ18O of –3.86...

Kinetics of the Opal-CT to Quartz Phase Transition Control Diagenetic Traps in Siliceous Shale Source Rock from the San Joaquin Basin and Hokkaido, #40771 (2011)

Danica Dralus, Kenneth E. Peters, Mike D. Lewan, Oliver Schenk, Michael Herron, and Kunihiro Tsuchida,

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... contained quartz, albite, and some organic material. Temperatures were kept below the critical temperature of water and the aqueous solution was buffered so...

Kinetics of the Opal-A to Opal-CT Phase Transition in Low- and High-TOC Siliceous Shale Source Rocks, #41708 (2015).

Danica Dralus, Michael D. Lewan, Kenneth Peters

Search and Discovery.com

... amounts of TOC (0.36 wt% and 4.65 wt%) and contain a thermally mature Type II kerogen. The samples were mixed with a buffered aqueous solution...

Class I and Class II Wells in Kentucky…A New Map Service of Waste-Disposal, Brine-Injection, and Enhanced-Recovery Wells in Kentucky, #80493 (2015).

Thomas Sparks

Search and Discovery.com

... linked to the KGS oil-and-gas records database utilizing a buffered search. The wells were symbolized by type (disposal or recovery) and activity (active...

Geochemical Modelling of Co2-Water-Rock Interaction in the Pretty Hill Formation, Otway Basin

D. M. Kirste, M. N. Watson, P. R. Tingate

Petroleum Exploration Society of Australia (PESA)

... water. In a system containing mineral phases, the pH change is buffered by reactions involving basic minerals and hydrogen ions. Reactions involving CO...

A Method for Analyzing Dolomite for Stable Isotopic Composition: RESEARCH-METHOD PAPER

Patricia E. Videtich

Journal of Sedimentary Research (SEPM)

... mineralogy, dolomite and finely ground reagent calcite were mixed together. Di Na EDTA (20 g/200 ml, buffered to 6.3 pH, Glover, 1961) was then used to leach...

ABSTRACT: Timing of Deformation and Gas Generation and Migration in the Foothills Region of the Eastern Brooks Range Fold-Thrust Belt (Arctic National Wildlife Refuge, Alaska); #90011 (2002)

T. M. Parris, R. C. Burruss, P. B. O’Sullivan

Search and Discovery.com

... temperatures (2.5-5.7 wt.% NaCl equivalent), the data suggest that fracture pore fluids were rock-buffered formation fluids. AAPG Search...

Digital Oil-Play Maps of the Permian Basin, by Caroline L. Breton, Shirley P. Dutton, and Ronald F. Broadhead, #40333 (2008).

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Fluid Flow, Overpressures and Fracture Sealing Events in Mesozoic Limestones, Jebel Akhdar Dome, Oman Mountains

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Sedimentary and diagenetic archive of a deeply buried, upper Ediacaran microbialite reservoir, southwestern China

Yongjie Hu, Chunfang Cai, Ying Li, Dawei Liu, Tianyuan Wei, Daowei Wang, Lei Jiang, Rongtu Ma, Shuyuan Shi, and Adrian Immenhauser

AAPG Bulletin

... of boxes, representing a column of porous dolomite. The fluid migration from boxes 1 to 20 suggests changing from a fluid-buffered (box 1) to a sediment...

The Biogenic Hypothesis: Microbial Acids and Gas as an Explanation for the Dissolution and Forming of Pores and Caves in Limestone; #50385 (2011)

Stephanie J. Schwabe, Rodney A. Herbert, James L. Carew

Search and Discovery.com

... contact with the ground has a pH of 5.6 and is buffered within three minutes to 8.6 following contact with local limestone. Buffered rainwater passing...

Mechanisms of Organic/Inorganic Interactions in Sandstone/Shale Sequences

Ronald C. Surdam, Laura J. Crossey

Special Publications of SEPM

... (predominately acetic acid). Thus, the pH of oil field brines is more likely to be buffered by acetate than the carbonate system. 190 Concentration (mg/ L) o...

The Chemistry of Secondary Porosity: Part 2. Aspects of Porosity Modification

Ronald C. Surdam, Steven W. Boese, Laura J. Crossey

AAPG Special Volumes

... on carbonate dissolution. Mixtures of laumontite and calcite were run in buffered solutions over a pH range of 5 to 9 with and without oxalic acid...

Geochemistry of storing CO2 and NOx in the deep Precipice Sandstone

J. K. Pearce, I. Altaf, D. Kirste, S.D. Golding, G.K.W. Dawson, J. Undershultz

Petroleum Exploration Society of Australia (PESA)

... and kaolinite precipitated. Dissolution of calcite and siderite in the Evergreen Formation favourably buffered acidity, with predicted precipitated minerals...

Geochemical Characterization of Formation Waters and Sediments from an Area of South-Central Louisiana with Implications for Geothermal Energy Production

Marielle E. Ausburn, Jeffrey S. Hanor

GCAGS Transactions

... to be partially buffered by calcite/dolomite and chalcedony. Precipitation of calcite and silica is a probable consequence of geothermal energy production...

Chemical and Sr Isotopic Variations During Diagenesis of Miocene Siliceous Sediments of the Monterey Formation, California--Discussion of the Sr Isotopic Data and Its Relevance to the Timing of Monterey Formation Fracturing: DISCUSSION

Richard W. Hurst

Journal of Sedimentary Research (SEPM)

... Formation Rb/Sr systematics are strongly buffered by the carbonates present, the quartz cherts (87Sr/86Sr average = 0.70958; Sr = 1-3 ppm) would...

Petrography and Geochemistry of Vein-Filling Calcites, Balcones Fault Zone, Upper Cretaceous Strata, North-Central Texas

William C. Dawson , Halina M. Szymczyk , Donald F. Reaser

GCAGS Transactions

... of the vein-filling calcites are suggestive of precipitation from warm basinal fluids. 13C analyses reveal that the Austin Chalk buffered the carbon...

Organic Acid Mixtures Can Be Used As Less Corrosive Stimulation Fluid for Carbonate Reservoirs

T. G. Martin, D. Tjandroso, D. Berini, M. Hanafi

Indonesian Petroleum Association

... buffered by carbon dioxide particularly at the unusually high partial pressure found in Arun. The purpose of the preflush with water was to remove wellbore...

Empirical Models for Predicting CO2 Concentrations in North Sumatra

C. M. Reaves, A. Sulaeman

Indonesian Petroleum Association

... minerals are present, then this drive to lower pH values is buffered by carbonate mineral dissolution. The formation of dissolved carbonate species...

Origin and Diagenesis of Calcitic and Hematitic Nodules in the Jordan Sandstone of Northeast Iowa

David B. Johnson, Keene Swett

Journal of Sedimentary Research (SEPM)

... of hematitic shells at the pH-buffered interfaces of the nodu es; 4) continued removal of calcite near the soil horizon and; 5) subsequent phases...