The efficiency of the scale inhibitor in the reservoir is determined by its adsorption and desorption properties and reduction in formation damage due to salt ...
Performance of a new scale inhibitor for preventing CaCO3 formation was studied under static and dynamic conditions. Abstract. Deposition of inorganic salts ...
ArticlePDF Available. Experimental analysis of calcium carbonate scale formation and inhibition in waterflooding of carbonate reservoirs. September 2016 ...
In case of waterflooding, complex geochemical processes between the injection water, formation water and rock occur and the concentration of ions increases.
Experimental analysis of calcium carbonate scale formation and inhibition in waterflooding of carbonate reservoirs · Source · Abstract · Identifiers · Authors.
Experimental analysis of calcium carbonate scale formation and inhibition in waterflooding of carbonate reservoirs ... carbonate reservoirs. dc.type. Journal ...
Sep 27, 2016 · Experimental analysis of calcium carbonate scale formation and inhibition in waterflooding of carbonate reservoirs. Azizollah Khormali1 ...
Feb 4, 2022 · (39) presented results on the interactions between SI and carbonate-rich formation rocks in which they described the two main mechanisms ...
People also ask
What causes calcium carbonate scale formation?
Calcium carbonate scale is the result of the oversaturation of CaCO3 in the water. The saturation of CaCO3 is measured using the Langelier Saturation Index (LSI). 0.00 is perfect equilibrium; below -0.30 is aggressive/undersaturated water, and above +0.30 is oversaturated/scale-forming water.
What happens when calcium carbonate reacts with water?
Calcium carbonate has an extremely high lattice energy, which is one of the reasons it is insoluble in water. Water and carbon dioxide are produced when the acid interacts with the carbonate; the resulting calcium acetate is soluble in water.
What is special about calcium carbonate CaCO3 solubility in water?
Calcium carbonate has a very low solubility in pure water (15 mg/L at 25°C), but in rainwater saturated with carbon dioxide, its solubility increases due to the formation of more soluble calcium bicarbonate. Calcium carbonate is unusual in that its solubility increases as the temperature of the water decreases.
Which method is used for determination of calcium carbonate?
In this paper, six different methods that can be adopted to measure the calcium carbonate content are examined experimentally: the titration, inductively coupled plasma (ICP), X-ray diffraction (XRD) TOPAS, thermogravimetric analysis (TGA), ASTM, and washing methods.
Formulated high calcium content of formation water was used to compare the compatibility of candidate scale inhibitors with formation water as average reservoir.
Experimental analysis of calcium carbonate scale formation and inhibition in waterflooding of carbonate reservoirs. Article. Full-text available. Sep 2016; J ...