| 液氮伴注水基泡沫压裂液技术在苏77井区的应用 |
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| 引用本文： | 郑义平,冉照辉,乔东宇,张茂林,黄治中,陈涛. 液氮伴注水基泡沫压裂液技术在苏77井区的应用[J]. 新疆石油天然气, 2011, 7(2): 59-62,96 |
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| 作者姓名： | 郑义平 冉照辉 乔东宇 张茂林 黄治中 陈涛 |
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| 作者单位： | 1. 中国石油西部钻探克拉玛依钻井工艺研究院,克拉玛依
2. 中国石油西部钻探苏里格气田项目经理部,内蒙古 |
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| 摘 要： | 介绍了苏77井区的储层特征,并指出压裂改造过程中面临的主要难题:粘土含量高、压力系数低、返排困难、残渣伤害。针对难题,苏里格气田普遍采用液氮伴注水基泡沫压裂液技术,增压助排,减少储层伤害。该压裂液100℃剪切稳定性好,能有效防止粘土膨胀运移,液氮泡沫稳定,有助于增加地层能量,提高自喷返排率。通过现场使用表明,采用液氮伴注水基泡沫压裂液技术,适当提高平均砂比、变排量施工、提高液氮伴注比例以及全程伴注等措施,不断优化施工参数,有效满足了苏77井区低压低渗气藏的压裂试气施工,并取得一定成效。
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| 关 键 词： | 液氮伴注 泡沫压裂液 低压低渗 苏77井区 |
APPLICATION OF AQUEOUS FOAM FRACTURING LIQUID WITH LIQUID NITROGEN LNJECTION TECHNOLOGY IN SU 77 WELL FIELD |
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| Zheng Yiping,Ran Zhaohui,Qiao Dongyu,Zhang Maolin,Huang Zhizhong,Chen Tao First Author's Address:Drilling Engineering Institute of CNPC Xibu Drilling Company Limited,Kalamay,Xinjiang ,China. APPLICATION OF AQUEOUS FOAM FRACTURING LIQUID WITH LIQUID NITROGEN LNJECTION TECHNOLOGY IN SU 77 WELL FIELD[J]. Xinjiang Oil & Gas, 2011, 7(2): 59-62,96 |
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| Authors: | Zheng Yiping Ran Zhaohui Qiao Dongyu Zhang Maolin Huang Zhizhong Chen Tao First Author's Address:Drilling Engineering Institute of CNPC Xibu Drilling Company Limited Kalamay Xinjiang China |
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| Affiliation: | Zheng Yiping,Ran Zhaohui,Qiao Dongyu,Zhang Maolin,Huang Zhizhong,Chen Tao First Author's Address:Drilling Engineering Institute of CNPC Xibu Drilling Company Limited,Kalamay,Xinjiang 834000,China |
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| Abstract: | |
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| Keywords: | liquid nitrogen injection foam fracturing liquid low-pressure and low permeability Su 77 well field |
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