PRODUCTION PERFORMANCE ANALYSIS OF HORIZONTAL DRAINAGE WELLS FOR THE DEGASIFICATION OF COAL SEAMS.

Turgay Ertekin, Wonmo Sung, Fred C. Schwerer

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

The production performances of horizontal drainage wells for the degasification of coal seams have been investigated with a multidimensional, two-phase coal-seam degasification model. The model is written in rectangular coordinates, can handle a number of horizontal wells, and operates in a one-, two-, or three-dimensional (1D, 2D, or 3D) mode. The model accommodates multiple horizontal boreholes originating from a common vertical shaft or horizontal boreholes being drilled from the peripheries of the reservoir. In consideration of the relatively thin but large lateral extent of coal seams, flow dynamics around a horizontal borehole is described in elliptic flow geometry.

Original languageEnglish (US)
Pages (from-to)625-632
Number of pages8
JournalJPT, Journal of Petroleum Technology
Volume40
Issue number5
DOIs
StatePublished - 1988

All Science Journal Classification (ASJC) codes

  • Fuel Technology
  • Industrial relations
  • Energy Engineering and Power Technology
  • Strategy and Management

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