Analysis of stress-induced wellbore breakouts in an arbitrarily oriented tectonic stress field

Takatoshi Ito, Kazuo Hayashi, Mark D. Zoback

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

A detailed study is presented of a case of stress induced wellbore breakouts observed where none of the principal axes of the tectonic stresses coincides with a wellbore axis. The observed depth and azimuth of breakout occurrence were compared with theoretical predictions based on the elastic stress field induced around a wellbore in a generalized 3-D stress field. The stress field had previously been studied using 3-D hydrofrac stress measurement. Results show that, when the uniaxial compressive strength of the rock is known, the depth and azimuth of breakout occurrence can be used as a reliable method to confirm the tectonic stress magnitudes determined by hydraulic fracturing.

Original languageEnglish
Pages (from-to)265-270
Number of pages6
JournalJSME International Journal, Series 1: Solid Mechanics, Strength of Materials
Volume35
Issue number3
DOIs
Publication statusPublished - 1992

ASJC Scopus subject areas

  • Engineering(all)

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