加强低成本稠油工艺技术应用实现提质增效

The quality-improving & benefit-increasing achieved by using the low cost technology for heavy oil

针对低油价给稠油热采所带来的高能耗、高开发成本等生产经营压力问题,如何突破目前石油市场的低迷重围,实现油田稠油生产提质增效成为一项重要的研究课题。为了解决上述问题,胜利油田采取了10项低成本稠油工艺技术,它包括注采耦合技术、超稠油化学辅助热采技术、注汽防砂一体化封隔装置技术、改进粉煤灰堵剂降低堵调成本技术、优化防偏磨工艺降低举升成本技术、产液结构优化控液技术、水力排砂采油技术、"ANFS"工艺技术、"四配套"保干降黏一体化技术和氮气泡沫调剖技术。实践证明,这些低成本稠油工艺技术的实施对稠油开发提质增效均十分有效。

Aiming at higher energy-consumption, higher development costs for heavy oil thermal recovery caused by lower oil price, how to break through the current downturn of the oil market, the quality-improving &benefit-increasing for heavy oil production has become an important research topic. The technological innovation is know as a tool to increase the heavy oil stock benefit under low oil price in Shengli oilfield. The low cost development can be realized by implementing stock benefit-increasing project and improving the system efficiency for heavy oil development. 10 kinds of low cost developing technologies have been introduced in this paper, such as injection-production coupling technology, ultra heavy oil chemical auxiliary thermal recovery technology, steam-injecting & sand-controlling packer device technology, improved fly ash plugging agent technology to reduce the cost, optimized eccentric wear-prevention process to reduce the cost of lifting,producing liquid structure optimization control technology, hydraulic sand-discharging technology, 'ANFS' technology, 'four supporting' dry-keeping & viscosity-reducing technology and nitrogen foam profile control technology. Practice has proved that these low-cost heavy oil technology measures are very effective to the quality-improving & benefit-increasing for heavy oil development.