GROWTH BEHAVIOR OF HYDRAULICALLY CREATED CRACK AND ITS SIZE EVALUATION USING WELL LOGGING DATA - CRUSTAL ROCK FRACTURE MECHANICS APPROACH.

Tetsuo Shoji, Kazuo Hayashi, Takashi Kojima, Takatoshi Ito, Hideaki Takahashi, Hiroyuki Abe

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

9 Citations (Scopus)

Abstract

Unsteady state fluid permeation through crack surfaces into a formation was considered for a growing crack. The effects of hydraulic properties of the formation and the fracture toughness of the consisting rock mass on crack growth behavior were first discussed based on numerical results and then the analysis was applied to evaluate the amount of crack extension during the small scale hydraulic fracturings at East Hachimantai field performed last fall. A new procedure was proposed for determining the instantaneous shut-in pressure based on the physical insight into the pressure decay curve after shut-in during hydraulic fracturing.

Original languageEnglish
Title of host publicationTransactions - Geothermal Resources Council
PublisherGeothermal Resources Council
Pages579-584
Number of pages6
Editionpt 2
ISBN (Print)093441260X
Publication statusPublished - 1985 Jan 1

Publication series

NameTransactions - Geothermal Resources Council
Numberpt 2
Volume9
ISSN (Print)0193-5933

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Geophysics

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