Uncertainty analysis of borehole stability problems

Nobuo Morita*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

27 Citations (Scopus)

Abstract

An uncertainty analysis is conducted for borehole stability problems based on a statistical error analysis method. The uncertainty analysis shows that the parameters impacting on the safe mud weight to stabilize borehole are rock strength followed by shale swelling, in-situ stress, pore pressure, well inclination, and so on. Several procedures to improve borehole stability analysis are proposed.

Original languageEnglish
Title of host publicationProceedings - SPE Annual Technical Conference and Exhibition
Pages533-542
Number of pages10
VolumeDelta
Publication statusPublished - 1995
EventProceedings of the 1995 SPE Annual Technical Conference and Exhibition - Dallas, TX, USA
Duration: 1995 Oct 221995 Oct 25

Other

OtherProceedings of the 1995 SPE Annual Technical Conference and Exhibition
CityDallas, TX, USA
Period95/10/2295/10/25

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Geology

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