Inulin as corrosion inhibitor
AssigneeHalliburton Energy Services, Inc.
InventorsYogesh Kumar Choudhary, Anupom Sabhapondit, Deepak Ranganathan
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Abstract
Methods of inhibiting corrosion of a metal surface in a well or pipeline are provided. The methods include the steps of: (a) forming a fluid of: (i) an aqueous acid solution; and (ii) inulin; and (b) introducing the fluid into the well or pipeline. The methods have wide application in various kinds of operations involved in the production or transportation of oil and gas, such as acid stimulation or remedial treatment in a pipeline.
Claims22
A method of inhibiting corrosion of a metal surface in a well, the method comprising the steps of:
- (a) forming a well fluid comprising:
- (i) an aqueous acid solution;
- and
- (ii) inulin;
- and
- (b) introducing the well fluid into the well.
A method of inhibiting corrosion of a metal surface in a pipeline, the method comprising the steps of:
- (a) forming a pipeline fluid comprising:
- (i) an aqueous acid solution;
- and
- (ii) inulin;
- and
- (b) introducing the pipeline fluid into the pipeline.
Dependencies are inferred from the claim text.