Shear-type borehole wall shifts induced during lost circulations

D. Iwashita, N. Morita, M. Tominaga

研究成果: Conference contribution

抄録

Three typical borehole wall shifts during lost circulations are studied and parameter studies are conducted for evaluating the magnitude of the shifts. (A) Slant-crack induced around vertical wells during lost circulations. Parameters varied are the frac size/wellbore size, frac angle, borehole pressure and σH1H2σv ratio. (B) Borehole wall shifts induced during the drilling of normal, thrust, and strike-slip fault areas. (C) Borehole wall shifts induced for an inclined well due to a fracture induced in perpendicular to the minimum in-situ stress.

本文言語English
ホスト出版物のタイトルProceedings - SPE Annual Technical Conference and Exhibition
ページ1558-1567
ページ数10
3
出版ステータスPublished - 2006
イベントSPE Annual Technical Conference and Exhibition, ATCE 2006: Focus on the Future - San Antonio, TX
継続期間: 2006 9 242006 9 27

Other

OtherSPE Annual Technical Conference and Exhibition, ATCE 2006: Focus on the Future
CitySan Antonio, TX
Period06/9/2406/9/27

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Geology

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