Invention Grant
- Patent Title: Fluid loss additive and breaking agent
- Patent Title (中): 流体损失添加剂和破坏剂
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Application No.: US12356276Application Date: 2009-01-20
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Publication No.: US07971644B2Publication Date: 2011-07-05
- Inventor: Hemant K. Ladva , Syed Ali , Mohan K. R. Panga , Richard D. Hutchins , Don Williamson
- Applicant: Hemant K. Ladva , Syed Ali , Mohan K. R. Panga , Richard D. Hutchins , Don Williamson
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agent Rachel Greene; David Cate; Jeff Griffin
- Main IPC: E21B43/267
- IPC: E21B43/267

Abstract:
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.
Public/Granted literature
- US20100181065A1 Fluid Loss Additive and Breaking Agent Public/Granted day:2010-07-22
Information query
IPC分类: