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青海共和盆地干热岩GR1井超高温固井水泥浆技术

刘会斌,  李建华,  庞合善,  郑会锴,  刘东清,  孙兴华,  宋伟宾

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文章导航 > 钻井液与完井液  > 2020 >  37(2): 202-208
刘会斌, 李建华, 庞合善, 郑会锴, 刘东清, 孙兴华, 宋伟宾. 青海共和盆地干热岩GR1井超高温固井水泥浆技术[J]. 钻井液与完井液, 2020, 37(2): 202-208. doi: 10.3969/j.issn.1001-5620.2020.02.012
引用本文: 刘会斌, 李建华, 庞合善, 郑会锴, 刘东清, 孙兴华, 宋伟宾. 青海共和盆地干热岩GR1井超高温固井水泥浆技术[J]. 钻井液与完井液, 2020, 37(2): 202-208. doi: 10.3969/j.issn.1001-5620.2020.02.012
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LIU Huibin, LI Jianhua, PANG Heshan, ZHENG Huikai, LIU Dongqing, SUN Xinghua, SONG Weibin. Ultra-high Temperature Cement Slurry for Cementing Well GR1 Penetrating Hot Dry Rock Formations in Gonghe Basin, Qinghai[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(2): 202-208. doi: 10.3969/j.issn.1001-5620.2020.02.012
Citation: LIU Huibin, LI Jianhua, PANG Heshan, ZHENG Huikai, LIU Dongqing, SUN Xinghua, SONG Weibin. Ultra-high Temperature Cement Slurry for Cementing Well GR1 Penetrating Hot Dry Rock Formations in Gonghe Basin, Qinghai[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(2): 202-208. doi: 10.3969/j.issn.1001-5620.2020.02.012
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青海共和盆地干热岩GR1井超高温固井水泥浆技术

doi: 10.3969/j.issn.1001-5620.2020.02.012

  • 1. 中石化胜利石油工程公司固井技术中心, 山东东营 257064;

  • 2. 中国石油集团海洋工程有限公司渤星公司, 天津 300451;

  • 3. 川庆钻探工程有限公司长庆固井公司, 西安 710018

详细信息
    作者简介:

    刘会斌,高级工程师,硕士,1970年生,毕业于中国石油大学石油与天然气工程专业,现在从事固井工程技术管理工作。电话(0546)8625188;E-mail:liuhuibin.ossl@sinopec.com

  • 中图分类号: TE256

Ultra-high Temperature Cement Slurry for Cementing Well GR1 Penetrating Hot Dry Rock Formations in Gonghe Basin, Qinghai

  • 1. Cementing Technical Center of Shengli Petroleum Engineering Limited Corporation of SINOPEC, Dongying, Shandong 257064;

  • 2. Tianjin Bo-Xing Engineering Science and Technology Limited Company of CPOE, Tianjin, 300451;

  • 3. CCDC Changqing Well Cementing Company, Xi'an, Shannxi 710018

    摘要
  • 摘要: 固井是保证干热岩全生命周期井筒质量的关键环节。通过研究共和盆地干热岩地质特征和赋存条件，提出了干热岩固井的主要技术难点。针对干热岩高温固井问题，研制出了高温缓凝剂BCR-320L，优选抗高温降滤失剂BXF-200L（AF），探索了不同硅粉加量下水泥石强度的衰退机理，形成了干热岩超高温水泥浆体系。实验结果表明，该水泥浆可以满足循环温度为200℃的固井要求，水泥浆稠化时间可调，具有良好的流变性能，在200℃下强度不衰退，72 h抗压强度可达44.1MPa。该水泥浆在青海共和干热岩GR1井中成功应用，现场固井施工顺利，裸眼段固井质量优质，为后续干热岩固井的施工提供了一定的借鉴。

     

    Abstract: The job quality of well cementing is the key factor affecting the borehole quality of a well penetrating hot dry rock formations. The major technical difficulties in cementing the wells penetrating hot dry rock formations in the Gonghe Basin in Qinghai were determined by studying the geological characteristics and the conditions for the hot dry rock to exist. An ultra-high temperature cement slurry for cementing the wells was formulated with a high temperature retarder BCR-320L and a high temperature filter loss reducer BXF-200L (AF), based on the investigation of strength decline mechanisms of the set cement with different concentrations of silica powder. Laboratory experimental results showed that the cement slurry can be used to cement wells at circulation temperature of 200℃. The cement slurry has good rheology and adjustable thickening time. The strength of the set cement does not decline at 200℃, and the compressive strength of the cement slurry after aging 72 h is 44.1 MPa. This cement slurry has been successfully used in cementing the well GR1 which penetrated hot dry rock formations in the Gonghe Basin in Qinghai. The quality of the cementing job was excellent. This cementing technology has provided a reference for subsequent hot dry rock well cementing.

     

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    • 参考文献(10)
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出版历程
  • 收稿日期:  2019-11-24
  • 刊出日期:  2020-04-28

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