酚醛树脂基碳纤维连续抽油杆特性研究

Investigation in the characteristics of carbon fiber continuous sucker rod with phenolic resin as matrix

为了克服普通碳纤维连续抽油杆在深井中不耐腐蚀的缺陷 ,开发了以改性的酚醛树脂为基体的碳纤维连续抽油杆。与环氧树脂基和乙烯基酯树脂基碳纤维连续抽油杆在耐腐蚀性能和力学性能方面的对比试验表明 :(1)酚醛树脂基碳纤维杆比另两种碳纤维杆的拉伸强度和抗疲劳强度稍低 ,但可满足油田要求 ,通过对碳纤维表面的处理和对酚醛树脂固化体系的适当调整可加以改进。 (2 )酚醛树脂基碳纤维杆的强度高 ,其韧性不如另两种碳纤维杆 ,由于难以同时获得较高强度和良好韧性 ,只能根据需要在强度和韧性之间选取一最佳值。 (3)酚醛树脂纤维杆交联密度高 ,耐腐蚀性能相对也高 ,特别适用于高温、高腐蚀性的深井 (30 0 0m以深 )

Since the conventional carbon fiber continuous sucker rod has low corrosion resistance in deep holes, a carbon fiber sucker rod taking modified phenolic resin as matrix is developed. Compared with the carbon fiber rod using epoxy resins or vinyl ester resin as matrix, the carbon fiber rod with phenolic resin as matrix has better mechanical properties and higher heat- and corrosion resistance, and is more suitable for use in the production of deep holes.