Acta Montanistica Slovaca (Sep 2004)

Use of the Rotary-Percussion Drilling Technology in the OKR Mining Conditions and by Drilling the Wells for Purposes of Heating Pump Installation

  • Koníèek Jiøí,
  • Mazáè Josef

Journal volume & issue
Vol. 9, no. 3
pp. 243 – 247

Abstract

Read online

Sedimentary rocks in the Ostrava-Karviná Coalfield (OKR) especially the Saddle Seams of the Karviná Formation are marked with considerable abrasive property following from the high content of siliceous component in these rocks. In these conditions drilling, using the classic methods seems to be economically unefficient.Some experiences from use of the new method – rotary-percussion drilling technology, using downhole drills and tested by OKD, DPB s.c. Paskov under various conditions in the OKR mines and also from drilling the wells for heating pump fitting commonly with the proposal of the innovation of this technology are presented in this paper.

Keywords