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New Techniques for Acid Brine Corrosion Control in Geothermal Wells

机译：地热井酸盐水腐蚀控制的新技术

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Extensive pilot testing of corrosion mitigation technologies has been performed on geothermal wells producing acid-sulfate brine in Indonesia. This work involved two-phase sampling in the wellbores to determine acid feed zone depths and vertical profiles of brine composition for chemical modeling and corrosion and scaling by chemical mass balance. A full-scale pilot test facility was designed and built to measure corrosion and scaling rates as a function of sodium hydroxide and corrosion inhibitor injection rates downhole and on the surface. A mitigation strategy for severely corrosive acid-sulfate wells has been developed to minimize corrosion and scaling on the surface and subsurface through a balanced application of treatment chemicals.
机译：在印度尼西亚酸 - 硫酸盐水生产的地热井进行了广泛的腐蚀缓解技术试验试验。这项工作涉及霍尔钻中的两相取样，以确定盐水组合物的酸进料区深度和盐水组合物的垂直轮廓，以通过化学质量平衡进行化学建模和腐蚀和缩放。设计并建造了全面的试验试验设施，以测量腐蚀和缩放率，作为氢氧化钠和腐蚀抑制剂注射率井下和表面的腐蚀速率。已经开发出严重腐蚀性硫酸盐孔的缓解策略，以通过平衡的处理化学物质应用最小化表面和地下的腐蚀和缩放。

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