Fracture opening/propagation behavior and their significance on pressure-time records during hydraulic fracturing

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Description

Hydraulic fracturing with constant fluid injection rate was numerically modeled for a pair of rectangular longitudinal fractures intersecting a wellbore in an impermeable rock mass, and numerical calculations have been performed to investigate the relations among the form of pressure-time curves, fracture opening/propagation behavior and permeability of the mechanically closed fractures. The results have shown that both permeability of the fractures and fluid injection rate significantly influence the form of the pressure-time relations on the early stage of fracture opening. Furthermore it has been shown that wellbore pressure during fracture propagation is affected by the pre-existing fracture length.

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193-198

Creation Information

Kojima, Takashi; Nakagawa, Yasuhiko; Matsuki, Koji & Hashida, Toshiyuki January 1, 1992.

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Description

Hydraulic fracturing with constant fluid injection rate was numerically modeled for a pair of rectangular longitudinal fractures intersecting a wellbore in an impermeable rock mass, and numerical calculations have been performed to investigate the relations among the form of pressure-time curves, fracture opening/propagation behavior and permeability of the mechanically closed fractures. The results have shown that both permeability of the fractures and fluid injection rate significantly influence the form of the pressure-time relations on the early stage of fracture opening. Furthermore it has been shown that wellbore pressure during fracture propagation is affected by the pre-existing fracture length.

Physical Description

193-198

Source

  • Seventeenth Workshop on Geothermal Reservoir Engineering: Proceedings, Stanford University, Stanford, CA, January 29-31, 1992

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  • Report No.: SGP-TR-141-28
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 888725
  • Archival Resource Key: ark:/67531/metadc873080

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 1, 1992

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 5, 2016, 4:18 p.m.

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Kojima, Takashi; Nakagawa, Yasuhiko; Matsuki, Koji & Hashida, Toshiyuki. Fracture opening/propagation behavior and their significance on pressure-time records during hydraulic fracturing, article, January 1, 1992; United States. (digital.library.unt.edu/ark:/67531/metadc873080/: accessed November 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.