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Michael Allendorfer

NGWA Member
Michael Allendorfer
PO Box 489
Newberg, OR 97132
United States
(503) 375-0961


  • Air rotary drilling (ARD)
  • Cable tool (CTD)
  • Comm/Industrial wells (CIW)
  • Horizontal wells (HDG)
  • Irrigation wells (IRW)
  • Mud rotary (MRD)
  • Municipal wells (MUW)
  • Reverse circulation drilling (RCD)
  • Well completion/development (WCD)
  • Well construction products (WCP)
  • Well design (WED)
  • Water quality analysis, field (WQF)
  • Pumping tests (PUT)
  • Administration/business srvs (ABS)

Company: Arrow Drilling

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