... Abstract Equations are developed to predict the time of tracer breakthrough, the peak concentration of the tracer, and the general form of the breakthrough curve in a 5-spot flood. It is shown that these results depend on the amount of stratification of the reservoir, the volumes injected...

... and restricts pipe movement. Artificial Intelligence Upstream Oil & Gas drill pipe drilling fluid chemistry drilling fluids and materials mud cake drilling fluid selection and formulation drilling fluid formulation saa concentration pressure differential pipe drill collar surfactant...

... of unit layers from each other, thus, influencing sub-division of clay particles. drilling fluid selection and formulation Upstream Oil & Gas concentration particle drilling fluids and materials adsorption viscosity particle size clay-water suspension drilling fluid property exchange...

... have been made. Injection of acrolein in low concentrations into anaerobic injection water systems is accomplished with a positive displacement pump. The results of the laboratory and field experiments are presented, and chemical feeding techniques are described. Introduction All industries...