Chemical Properties Affecting the Environmental Performance of Synthetic Based Drilling Fluids for the Gulf of Mexico

2011 ◽  
Author(s):  
Philip B. Dorn ◽  
Diana C.L. Wong ◽  
Jenny Ye ◽  
Vladimir Antonio Martin
Keyword(s):  
Gulf Of Mexico ◽  
Environmental Performance ◽  
Chemical Properties ◽  
Drilling Fluids

Basic Performance Research of Polymer Intercalation Clay

2012 ◽  
Vol 578 ◽  
pp. 183-186
Author(s):  
Xiao Chun Cao ◽  
Yi Qin ◽  
Yan Na Zhao ◽  
Kun Ke
Keyword(s):  
Drilling Fluid ◽  
Chemical Properties ◽  
Drilling Fluids ◽  
Technical Problems ◽  
Clay Particles ◽  
Polymer Properties ◽  
Physical And Chemical ◽  
Performance Research ◽  
And Chemical Properties

Using the preliminary research of the polymer properties, the different between the physical and chemical properties of new polymer-clays nanometer composites and clay have been studied. Different polymers are used to evaluate experiment. Based on a large number of lab experiments, the changes of rheological property and API filtration property of polymer-clay drilling fluids nanometer composites are studied. The results show that clay particles could become smaller and the composites drilling fluid have the role of controlling loss and enhancing cake quality. The prepared composites could be used to solve the technical problems in drilling fluid.

scholarly journals RHEOLOGICAL PROPERTIES OF PALYGORSKITE-SMECTITE SUSPENSIONS FROM THE VENTZIA BASIN, W. MACEDONIA, GREECE

2017 ◽  
Vol 43 (5) ◽  
pp. 2562 ◽  
Author(s):  
G.E Christidis ◽  
P. Katsiki ◽  
A. Pratikakis ◽  
G. Kacandes
Keyword(s):  
Rheological Properties ◽  
Yield Point ◽  
Chemical Properties ◽  
Rheological Behaviour ◽  
Drilling Fluids ◽  
Bingham Plastic ◽  
Point Increase ◽  
Main Components ◽  
Drilling Muds ◽  
Clay Suspensions

In this contribution we examine the rheological properties of palygorskite rich clays from the Ventzia Basin, W. Macedonia, Greece. The clays consist of palygorskite and/or dioctahedral Fe-rich smectite (nontronite) and quartz as main components, and serpentine, amphibole and sepiolite as minor constituents. The apparent and plastic viscosity and yield point increase with increasing concentration of clay in the suspension. Flow is Newtonian for 1% suspensions, becoming gradually Bingham plastic (3% clay suspensions) and then pseudoplastic with yield point described by the Herschel Bulckley flow model. In the case of suspensions cf smectite-free clays Bingham plastic flow behaviour was not observed. Addition of 1M NaCl electrolyte deteriorates the rheological behaviour of the smectite-bearing palygorskite clays but it does not affect significantly the smectite-free, palygorskite rich clays. The different rheological properties of the palygorskite compared to smectite is due to the different morphological and crystal-chemical properties of these two minerals. It is suggested that the palygorskite-rich clays can be used successfully as drilling muds in seawater based drilling fluids, in which smectite-based drilling muds tend to flocculate.

scholarly journals Climate-related factors cause changes in the diversity of fish and invertebrates in subtropical coast of the Gulf of Mexico

2019 ◽  
Vol 2 (1) ◽  
Author(s):  
Masami Fujiwara ◽  
Fernando Martinez-Andrade ◽  
R. J. David Wells ◽  
Mark Fisher ◽  
Michaela Pawluk ◽  
...  
Keyword(s):  
Climate Change ◽  
Species Diversity ◽  
Gulf Of Mexico ◽  
Chemical Properties ◽  
Climate Change Impacts ◽  
Marine Species ◽  
Tropical Species ◽  
Related Factors ◽  
Rarefaction Analysis ◽  
Occupancy Probability

Abstract Climate change impacts physical and chemical properties of the oceans, and these changes affect the ecology of marine organisms. One important ecological consequence of climate change is the distribution shift of marine species toward higher latitudes. Here, the prevalence of nearly 150 species of fish and invertebrates were investigated to find changes in their distributions over 35 years along a subtropical coast within the Gulf of Mexico. Our results show that 90 species increased their occupancy probability, while 33 decreased (remaining species neither increase or decrease), and the ranges of many species expanded. Using rarefaction analysis, which allows for the estimation of species diversity, we show that species diversity has increased across the coast of Texas. Climate-mediated environmental variables are related to the changes in the occupancy probability, suggesting the expansion of tropical species into the region is increasing diversity.

Selective-Placement Burial of Drilling Fluids: I. Effects on Soil Chemical Properties

1992 ◽  
Vol 21 (1) ◽  
pp. 135-139 ◽  
Author(s):  
Mark L. McFarland ◽  
Darrell N. Ueckert ◽  
Frank M. Hons ◽  
Steve Hartmann
Keyword(s):  
Chemical Properties ◽  
Soil Chemical Properties ◽  
Drilling Fluids ◽  
Selective Placement
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