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Sunday, October 22nd, 2017

RIG 41
National 4223TD

  • Boldon Drilling Rig 41 - National 4223TD trailer mounted mobile drilling rig
  • Telescopic Mast - 32.31m (106') clear height with a maximum combined hook load of 350,000lbs
  • National Substructure - 3.35m (11') rotary beam clearance. 350,000 lbs casing capacity with 225,000 lbs setback capacity
  • National 600 double drum drawworks with 356KW (475HP) Caterpillar 3408 engine
  • 1,200bbl mud tank system
  • 11" x 5,000psi Cameron double ram B.O.P stack with Hydril GK 11" x 5000psi Annular B.O.P
  • All major units are acoustically clad allowing Rig 41 to operate in environmentally sensitive areas

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