水溶性棒状缓蚀剂CT2—14的研究及应用

RESEARCHAND APPLICATION OF WATER-SOLUBLE STICK CORROSION INHIBITOR CT2-14

关键词:  棒状缓蚀剂 腐蚀 水溶剂 石油设备 防腐

Key words:  stick,corrosion inhibitor,corrosion,corrosion inhibitor

摘要:

为适应含硫气田现场防腐蚀的需要，特别是产水量较在的井、高水位井、有封隔器的含水油气井防腐蚀对多品种缓蚀剂加注工艺的要求，在室内研制出一种水溶性棒状缓蚀剂ＣＴ２－１４。该缓蚀剂具有密度可调、软化点适中、有效成分缓慢释放、有效周期长及缓蚀效果好等特点。经现场试验表明：该缓蚀剂能将气液相腐蚀速率控制在０．０７６ｍｍ／ａ以下，并且现场加注工艺简单，易于实施。

Abstract:

To reduce the corrosion of oil-gas well containing H 2S in the field,especially for the wells consisted with formated water,high level water,packer existing,developed a water-soluble stick corrosion inhibitor CT2-14.It possesses the following characteris