Hydraulic fractures: How far can they go?

Richard J. Davies*, Simon A. Mathias, Jennifer Moss, Steinar Hustoft, Leo Newport

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

The maximum reported height of an upward propagating hydraulic fracture from several thousand fracturing operations in the Marcellus, Barnett, Woodford, Eagle Ford and Niobrara shale (USA) is ∼588 m. Of the 1170 natural hydraulic fracture pipes imaged with three-dimensional seismic data offshore of West Africa and mid-Norway it is ∼1106 m. Based on these empirical data, the probability of a stimulated and natural hydraulic fracture extending vertically >350 m is ∼1% and ∼33% respectively. Constraining the probability of stimulating unusually tall hydraulic fractures in sedimentary rocks is extremely important as an evidence base for decisions on the safe vertical separation between the depth of stimulation and rock strata not intended for penetration.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalMarine and Petroleum Geology
Volume37
Issue number1
DOIs
Publication statusPublished - Nov 2012
Externally publishedYes

ASJC Scopus subject areas

  • Oceanography
  • Geophysics
  • Geology
  • Economic Geology
  • Stratigraphy

Keywords

  • Fracture
  • Natural
  • Pressure
  • Shale
  • Stimulated

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