Stoneley and flexural modes in pressurized boreholes

B. K. Sinha, S. Kostek, A. N. Norris

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

The propagation of Stoneley and flexural waves in a fluid-filled borehole is adequately described by the linear equations of elasticity. However, when the borehole fluid is pressurized either due to the hydrostatic head at a given depth or with the aid of packers at the wellhead, both the fluid and the surrounding formation are subjected to biasing stresses. Under this situation, wave propagation along the borehole is described by the equations of motion for small dynamic fields superposed on a bias. The resulting formulation allows the influence of a change in the fluid pressure on the Stoneley and flexural mode dispersion curves to be studied. -from Authors

Original languageEnglish (US)
Pages (from-to)22,375-22,381
JournalJournal of Geophysical Research
Volume100
Issue numberB11
DOIs
StatePublished - 1995

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

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