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首先分析了姬塬油田结垢分布特征,其次基于此,提出了油井和地面集输系统结垢的防治方法,并通过实验给出了注水地层,集输系统和注水井的防治效果,最后得出的结论是:注水站、单井和集输站投加化学防垢剂技术和采油井挤注法清防垢是治理注采、集输地层和油层近井地带结垢伤害的经济、易行、高效的方法。筛选定型的高效防垢剂瞵基丁烷三羧酸(PBTCA)作为矿场投加药剂,除具有高效防垢性能外还具有优异的稳铁、防膨功能,对生产系统无腐蚀和提高地层渗流能力。
First of all, the scaling characteristics of Jiyuan Oilfield are analyzed. Secondly, based on this, the prevention and cure methods of scaling in oil well and ground transportation system are put forward. The prevention and cure effects of water injection formation, gathering system and water injection well are given through experiments. Finally, The conclusion is: water injection station, single wells and gathering stations to add chemical anti-scaling agent technology and production wells squeeze method of anti-scaling is the governance of injection and production, gathering and transportation of formation near the well zone scaling damage economy, easy OK, efficient way. Screening of stereotypes and efficient anti-scaling agent 瞵 butylbutanetricarboxylic acid (PBTCA) as a dosing agent in the mine, in addition to having an effective anti-scaling properties also has excellent stability of iron, anti-swelling function, no corrosion of the production system and improve the formation Seepage capacity.