| 彩南油田西山窑组油藏防膨试验研究 |
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| 引用本文： | 白义珍.彩南油田西山窑组油藏防膨试验研究[J].新疆石油天然气,2011,7(3):79-82,114. |
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| 作者姓名： | 白义珍 |
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| 作者单位： | 新疆油田公司勘探开发研究院采油气工程研究所,克拉玛依,834000 |
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| 摘 要： | 彩南油田西山窑组油藏自1992年底投入注水开发以后,由于注入水水质不达标,对储层渗透率伤害严重,注水压力逐年上升。2009年开展了储层岩芯分析和流动性评价实验,结果表明水敏伤害和注入水中的机杂是主要的伤害因素,二者共同作用造成的伤害可达50%以上。在此基础上,开展了防膨剂的室内评价和现场试验,最终选取了GY-2B粘稳剂在彩南的19个井组进行了现场试验,使注水压力平均下降了1.4MPa,最大下降值达到了5.4MPa,取得了较好的效果。下一步还需要进一步提高水质,减轻机杂伤害。
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| 关 键 词： | 水敏 防膨 西山窑组油藏 |
A CLAY-SWELLING LINHIBITION PRACTICE IN MIDDLE JURASSIC RESEVROIR (XISHANYAO) OF CAIONAN OILFIELD |
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| Bai Yizhen. Born in . Engineer,works in Xinjiang Oilfield Company,Exploration & Development Research Institute,Oil & Gas Engineering Branch..A CLAY-SWELLING LINHIBITION PRACTICE IN MIDDLE JURASSIC RESEVROIR (XISHANYAO) OF CAIONAN OILFIELD[J].Xinjiang Oil & Gas,2011,7(3):79-82,114. |
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| Authors: | Bai Yizhen Born in Engineer works in Xinjiang Oilfield Company Exploration & Development Research Institute Oil & Gas Engineering Branch |
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| Affiliation: | Bai Yizhen. Born in 1964. Engineer,works in Xinjiang Oilfield Company,Exploration & Development Research Institute,Oil & Gas Engineering Branch. |
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| Abstract: | The permeability has been going down and its injection pressure going up in Xishanyao reservoir of Cainan oi|field since the beginning of its water-flooding in 1992,because the quality of the injection water cannot correspond to the injection standard.A core study and the fluidity test in 2009 showed that the clay swelling and suspended solids in injection water are the essential factors. They cause more than 50% of permeability loses. A clay stabilizer named GY-2B was used in 19 injection wells in Xishanya... |
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| Keywords: | Water Sensitive Character Clay-swelling Inhibition Xi shanyao Reservoir |
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