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抗220℃高密度油基钻井液的研究与应用

王星媛,  陆灯云,  吴正良

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文章导航 > 钻井液与完井液  > 2020 >  37(5): 550-554,560
王星媛, 陆灯云, 吴正良. 抗220℃高密度油基钻井液的研究与应用[J]. 钻井液与完井液, 2020, 37(5): 550-554,560. doi: 10.3969/j.issn.1001-5620.2020.05.002
引用本文: 王星媛, 陆灯云, 吴正良. 抗220℃高密度油基钻井液的研究与应用[J]. 钻井液与完井液, 2020, 37(5): 550-554,560. doi: 10.3969/j.issn.1001-5620.2020.05.002
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WANG Xingyuan, LU Dengyun, WU Zhengliang. Study and Application of a High Density Oil Base Drilling Fluid with High Temperature Resistance of 220℃[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(5): 550-554,560. doi: 10.3969/j.issn.1001-5620.2020.05.002
Citation: WANG Xingyuan, LU Dengyun, WU Zhengliang. Study and Application of a High Density Oil Base Drilling Fluid with High Temperature Resistance of 220℃[J]. DRILLING FLUID & COMPLETION FLUID, 2020, 37(5): 550-554,560. doi: 10.3969/j.issn.1001-5620.2020.05.002
shu

抗220℃高密度油基钻井液的研究与应用

doi: 10.3969/j.issn.1001-5620.2020.05.002

  • 1. 油气田应用化学四川省重点实验室, 四川广汉 618300;

  • 2. 川庆钻探钻采工程技术研究院, 四川广汉 618300

基金项目: 

川庆钻探工程有限公司钻采工程技术研究院科技项目“220℃抗高温高密度油基钻井液技术研究与应用”（ZCY-19-01）

详细信息
    作者简介:

    王星媛,工程师,1989年生,毕业于西南石油大学化学工程专业,现在从事钻井液技术研究工作。电话(0838)5151118;E-mail:wangxy_zcy@cnpc.com.cn

  • 中图分类号: TE254.3

Study and Application of a High Density Oil Base Drilling Fluid with High Temperature Resistance of 220℃

  • 1. Key Laboratory of Oil and Gas Field Applied Chemistry(Sichuan Province), Guanghan, Sichuan 618300;

  • 2. Drilling and Production Technology Research Institute, Chuanqing Drilling and Exploration Engineering Company, Ltd., CNPC, Guanghan, Sichuan 618300

    摘要
  • 摘要: 针对超高温深井、超深井钻井液体系抗温能力不足、使用密度低、动态沉降稳定性差等问题，研制出抗温220℃的乳化剂、增黏剂、降黏剂及最高使用密度为2.30 g/cm3的油基钻井液配方。室内评价结果表明，超高温乳化剂SD-HTPE和SD-HTSE对钻井液的流变性影响小，220℃热滚后破乳电压达到1201~1856 V；超高温增黏剂SD-OIV可使体系的LSRYP由3 Pa增大至13 Pa，动态沉降稳定系数由0.2096增大至0.6466，高温高压滤失量降低率最高达76.74%；超高温降黏剂SD-ORV可使体系LSRYP降低85.71%；体系在220℃、40 MPa、低剪切速率下具有良好的动态循环流变性及热稳定性。该套体系在川南塔探1井得到成功应用，应用结果表明，超高温高密度油基钻井液体系在214℃下热稳定性、流变性、沉降稳定性和高温高压滤失量等性能较好，施工过程无阻卡，起下钻顺利，具有良好的现场应用效果，满足超高温深井、超深井的钻井需求。

     

    Abstract: Most drilling fluids have various disadvantages such as low temperature stability, low density and poor circulating suspending capacity when used to drill ultra-high temperature deep and ultra-deep wells. An oil base drilling fluid with the highest density of 2.30 g/cm3 has been developed to solve these problems. The drilling fluid was formulated with newly developed emulsifiers, viscosifier and thinner with high temperature resistance of 200℃. Laboratory evaluation showed that the ultra-high temperature emulsifiers SD-HTPE and SD-HTSE have little effect on the rheology of the drilling fluid. After hot rolling at 220℃, the emulsion stability of the drilling fluid was 1201-1856 V. The ultra-high temperature viscosifier SD-OIV can increase the LSRYP from 3 Pa to 13 Pa and the dynamic settlement index from 0.2096 to 0.6466. HTHP filter loss of the drilling fluid can be reduced by 76.74%. The ultra-high temperature thinner SD-ORV can reduce the LSRYP of the drilling fluid by 85.71%. The drilling fluid had good dynamic circulating rheology and thermal stability at 220℃, 40 MPa and low shear rates. Application of this drilling fluid in Well Tatan-1 in south Sichuan showed that the ultra-high temperature high density oil base drilling fluid had good thermal stability, rheology, settlement stability and HTHP filter loss at 214℃. No tight spots and drag were encountered during drilling, and tripping was conducted smoothly. Field application of this drilling fluid proved that it satisfied the requirements of drilling ultra-high temperature deep and ultra-deep wells.

     

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    • 参考文献(13)
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出版历程
  • 收稿日期:  2020-04-26
  • 刊出日期:  2020-10-28

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