发明授权
- 专利标题: Fluid loss additive and breaking agent
- 专利标题(中): 流体损失添加剂和破坏剂
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申请号: US12356276申请日: 2009-01-20
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公开(公告)号: US07971644B2公开(公告)日: 2011-07-05
- 发明人: Hemant K. Ladva , Syed Ali , Mohan K. R. Panga , Richard D. Hutchins , Don Williamson
- 申请人: Hemant K. Ladva , Syed Ali , Mohan K. R. Panga , Richard D. Hutchins , Don Williamson
- 申请人地址: US TX Sugar Land
- 专利权人: Schlumberger Technology Corporation
- 当前专利权人: Schlumberger Technology Corporation
- 当前专利权人地址: US TX Sugar Land
- 代理商 Rachel Greene; David Cate; Jeff Griffin
- 主分类号: E21B43/267
- IPC分类号: E21B43/267
摘要:
A system includes a hydraulic fracturing fluid including a polymeric constituent and an additive having particles including poly-vinyl acetate in an amount sufficient to control fluid loss. The system includes a formation of interest having a downhole temperature, and the particles including poly-vinyl acetate have a size and/or shape such that the poly-vinyl acetate hydrolyses at the downhole temperature. The particles may have a size and/or shape such that the particles are deformable at the downhole temperature. The poly-vinyl acetate in the particles may be a part of the particle substrate, a coating on the particles, and/or the entire particle may be poly-vinyl acetate. The poly-vinyl acetate may be included in any portion of the hydraulic fracturing fluid, or only the portion of the hydraulic fracturing fluid that is not proppant laden.
公开/授权文献
- US20100181065A1 Fluid Loss Additive and Breaking Agent 公开/授权日:2010-07-22
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