Drilling in Underground Coal Gasification with Coiled Tubing Technologies

Article English OPEN
Monika Blišťanová ; Lucia Sciranková (2006)
  • Publisher: Technical University of Kosice
  • Journal: Acta Montanistica Slovaca (issn: 1335-1788)
  • Subject: Underground Coal Gasification | Coiled Tubing Drilling | Injection Well | Production well | Mining engineering. Metallurgy | TN1-997 | Geology | QE1-996.5

Underground coal gasification is the potential to provide a clean, efficient and convenient source of energy from coal seams where traditional mining methods are either impossible or uneconomical. The latest drilling technology – drilling directional injection well with down well assembly. The is used world- wide from 1990 injection well is transmitting the coal seam along its location. The coil – tubing equipment transport the gasification agents (oxygen and water) into the coal cavity, where give out gasification.
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