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51312-01082-Minimizing Wear-Accelerated Corrosion in Sucker Rod Pumped Oilwells with Corrosion Inhibitors

Picture for Minimizing Wear-Accelerated Corrosion in Sucker Rod Pumped Oilwells with Corrosion Inhibitors
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Product Number: 51312-01082-SG
ISBN: 01082 2012 CP
Author: Richard L. Martin
Publication Date: 2012
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Any time sucker rods contact the inner diameter of production tubing in corrosive wells wear accelerated corrosion will result. The resultant damage is likely to be greater than the sum of the two factors acting individually. Experience tends to agree that minimizing the corrosion component with corrosion inhibitors minimizes the damage and that continuous application of the inhibitor is more beneficial than batch application. This paper follows laboratory development and field testing of a batch applied corrosion inhibitor designed to have added benefit at this task. In the laboratory linear polarization resistance evaluated corrosion inhibition and standard lubricity tests evaluated wear characteristics. Corrosion coupons manganese ions in this sour field and failure records evaluated field performance coupons detect the corrosion component and manganese ions reflect the total corrosion-plus-wear occurring in the well. The ratio of these two measurements before-and-after application evaluates success prior to any failures occurring.
Any time sucker rods contact the inner diameter of production tubing in corrosive wells wear accelerated corrosion will result. The resultant damage is likely to be greater than the sum of the two factors acting individually. Experience tends to agree that minimizing the corrosion component with corrosion inhibitors minimizes the damage and that continuous application of the inhibitor is more beneficial than batch application. This paper follows laboratory development and field testing of a batch applied corrosion inhibitor designed to have added benefit at this task. In the laboratory linear polarization resistance evaluated corrosion inhibition and standard lubricity tests evaluated wear characteristics. Corrosion coupons manganese ions in this sour field and failure records evaluated field performance coupons detect the corrosion component and manganese ions reflect the total corrosion-plus-wear occurring in the well. The ratio of these two measurements before-and-after application evaluates success prior to any failures occurring.
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