Title: 17 alkenyl imidazoline corrosion inhibitor for oil field
Application Number: 89108825 Application Date: 1989.11.21
Publication Number: 1052151 Publication Date: 1991.06.12
Approval Pub. Date: Granted Pub. Date: 1994.11.09
International Classifi-cation: C23F11/14,E21B41/02
Applicant(s) Name: Chemical Reagent Factory No.5, Tianjin City Address:
Inventor(s) Name: Li Zhenting
Attorney & Agent: LIU SHUYUAN
Abstract:
     This corrosion inhibitor is made of (N-hydroxyethyl-N'-hydroxyethyl-N',N'-dicarboxymethyl ethylenediamine) octodecamide sodium salt 15-30% and 1-hydroxyethyl-2-heptadealkenyl-3, 3-dicarboxymethyl imidazoline sodium salt 70-85%. Experiment in oil field shows that its inhibiting effect is excellent.
Time: 9