Laboratory experiments on the effects of corrosion inhibitor on the mechanical properties of reservoir rock

Geothermal Energy

Science – Society – Technology

Table 3 Composition of the inhibitors, labelled here inhibitor 1 and inhibitor 2

Product/ingredient name	Weight %
Inhibitor 1
Ethoxylated amine salt	10 ≤ … ≤ 25
1,2-ethaandiol	≤ 10
2-(2-butoxyethoxy)ethanol	≤ 10
Quaternairy ammoniumcompounds, benzyl-alkyldimethyl-, chlorides	≤ 5
Inhibitor 2
Pyridinium, 1-(fenylmethyl)-,ethylmethylderivates, chlorides	10 ≤ … ≤ 25
Thio-ureum	≤ 5
Alcohols, C8-10, ethoxylated	≤ 3
Propaan-2-ol	≤ 3
Alkyl dimethylbenzyl ammonium chloride ADBAC/BKC (C12-16)	≤ 1

The ethoxylated amine salt is a nitrogen-based compound, as is the thio-ureum. Pyridinium is the conjugate acid of pyridine, which is often used as an organic base in chemical reactions. The general structure of the inhibitors is a polar head with a long non-polar tail