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刚性楔入承压封堵技术

侯士立,  黄达全,  杨贺卫,  刘光艳,  李栓,  王鲁坤,  孙双,  王小芳

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文章导航 > 钻井液与完井液  > 2015 >  32(1): 49-52
侯士立, 黄达全, 杨贺卫, 刘光艳, 李栓, 王鲁坤, 孙双, 王小芳. 刚性楔入承压封堵技术[J]. 钻井液与完井液, 2015, 32(1): 49-52. doi: 10.3969/j.issn.1001-5620.2015.01.013
引用本文: 侯士立, 黄达全, 杨贺卫, 刘光艳, 李栓, 王鲁坤, 孙双, 王小芳. 刚性楔入承压封堵技术[J]. 钻井液与完井液, 2015, 32(1): 49-52. doi: 10.3969/j.issn.1001-5620.2015.01.013
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HOU Shili, HUANG Daquan, YANG Hewei, LIU Guangyan, LI Shuan, WANG Lukun, SUN Shuang, WANG Xiaofang. Study and Application of Rigid Wedging Mud Loss Control Under Pressure[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(1): 49-52. doi: 10.3969/j.issn.1001-5620.2015.01.013
Citation: HOU Shili, HUANG Daquan, YANG Hewei, LIU Guangyan, LI Shuan, WANG Lukun, SUN Shuang, WANG Xiaofang. Study and Application of Rigid Wedging Mud Loss Control Under Pressure[J]. DRILLING FLUID & COMPLETION FLUID, 2015, 32(1): 49-52. doi: 10.3969/j.issn.1001-5620.2015.01.013
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刚性楔入承压封堵技术

doi: 10.3969/j.issn.1001-5620.2015.01.013

  • 渤海钻探泥浆技术服务分公司, 天津

详细信息
    作者简介:

    侯士立,博士,工程师,1980年生,中国石油渤海钻探泥浆技术服务分公司,现从事钻井液技术研究与应用工作。地址:天津市大港油田红旗路东段;邮政编码300280;电话(022)25922500;E-mail:john922@163.com。

  • 中图分类号: TE282

Study and Application of Rigid Wedging Mud Loss Control Under Pressure

  • Drilling Fluid Technology Services of CNPC Bohai Drilling Engineering Company Limited, Tianjin 300280

    摘要
  • 摘要: 刚性楔入承压封堵技术是以刚性封堵剂、可膨胀封堵剂和低渗透封堵剂进行架桥封堵的封堵技术,它利用在地层裂缝、孔隙中架桥、楔入、充填,以提高地层周向应力,达到提高地层承压能力的目的。根据SAN-2工程理论分布确定了刚性封堵剂的粒径级配,形成了适应不同漏失速率的承压封堵浆配方。并对刚性封堵剂与其他封堵剂进行了复配实验,实验结果表明,用刚性封堵剂与可膨胀封堵剂、低渗透封堵剂复配的封堵浆,能快速地在裂缝中架桥、填充,形成低渗透率的填塞层,封堵裂缝,承压能力达到7 MPa。现场试验33口井,显著提高了封堵成功率,节约了封堵时间,减少封堵浆消耗量,增强了地层承压能力,为优质高效地完成钻井施工提供了技术保障。

     

    Abstract: The rigid wedging mud loss control under pressure is a technology in which rigid lost circulation material (LCM), expandable or expandable LCM, and low permeability LCM are employed to bridge the mud loss channels. It involves bridging, wedging and filling in the fractures and pores of formation to increase the circumferential stress of formation, hence enhancing the pressure bearing of the formation. LCM slurries for mud loss control under pressure were formulated with optimized particle size distribution determined by SAN-2 engineering theory. The rigid LCM was also compounded with other LCM to verify their performance in mud loss control. The experiments showed that LCM slurries containing compounded rigid LCM, expandable LCM and low permeability LCM promptly bridged and filled the fractures and formed low permeability packing with pressure bearing of 7 MPa. In field application of this technology in 33 wells, success rate of mud loss control was increased remarkably, and the quantity of LCM slurries was reduced.

     

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    • 参考文献(10)
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出版历程
  • 收稿日期:  2014-09-10
  • 刊出日期:  2015-01-30

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