聚合物稳泡剂耐温性研究进展
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中石油2017年科技创新基金(2017-D-5007-0201);2017年辽宁省科技厅项目(20170520344);2017年辽宁省教育厅科技项目(L2017LFW012)


Research progress in temperature stability of polymer-enhanced foam
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Petrochina Innovation Foundation (2017D-5007-0201); Science and Technology Project of Education Department of Liaoning Province (L2017LFW012); Department of Science & Technology of Liaoning Province (20170520344)

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    摘要:

    聚合物因其特殊的絮状和网状结构具有增黏,减少泡沫内液体的流失量,延缓液膜变薄,降低气体在液膜中的溶解度等特点。在油气井开发过程中,虽然对稳泡剂的稳泡效果认识较早,但很少对其耐温性能进行对比研究,而在实际应用中温度条件差异对稳泡剂影响存在不同。随着油气资源找寻方向由浅层油藏逐渐转变为高温油藏,裂缝型以及低渗油藏,常常面临着常规泡沫流体稳定性差,抗高温性能不足的特点,对稳泡剂的性能提出了更高的要求,特别是稳泡剂的耐温性能,因此对其耐温性的改良一直是研究的难点。本文按照稳泡剂的三个主要施工领域:泡沫压裂液稳泡剂、泡沫驱油稳泡剂、泡沫洗井液稳泡剂对稳泡剂的耐温性进行分析,并就聚合物稳泡剂今后的研究提出了建议。

    Abstract:

    Due to its special flocculent and reticular structure, the polymer has viscosity-increasing, reduces the loss of liquid in the foam, delays the thinning of the liquid film, and reduces the solubility of the gas in the liquid film. In the process of oil and gas field development, although the bubble stabilizing effect of foam stabilizer has been recognized early, few comparative studies have been conducted on its temperature resistance. However, the influence of temperature conditions on the stabilizer is different in practical applications. With the change from shallow reservoir to high temperature reservoir, fracture type and low permeability reservoir. It is often faced with the characteristics of poor stability of conventional foam fluid and insufficient resistance to high temperature. Higher requirements have been put forward for the properties of foam stabilizers, especially for their temperature resistance. Therefore, the improvement of its temperature resistance has always been a difficulty in research. In this paper, the temperature resistance of foam stabilizer is analyzed according to the three main fields of foam stabilizer: foam fracturing fluid, foam flooding fluid and foam well washing fluid, and some suggestions for future research of polymer-enhanced foam are put forward.

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潘一,马迪,唐佳斌,Kubatova Nazgul,蔡家铁,杨双春,郭永成.聚合物稳泡剂耐温性研究进展[J].精细化工,2020,37(4):

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  • 收稿日期:2019-09-23
  • 最后修改日期:2020-01-03
  • 录用日期:2020-01-06
  • 在线发布日期: 2020-03-23
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