GEOLOGICAL BORING L.L.C.


Sonde Housings

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Click here to see our 2.5" Mini-Sonde/Combination

 Six fluid passages COMPLETELY SURROUND the transmitter chamber to create an effective
  heat exchanger that removes drilling heat and helps keep heat sensitive electronics cool.

 Largest fluid flow capacity available - FLEXIBILITY to directional drill today and motor tomorrow.

 Clock the transmitter in seconds - Transmitter clocks to drill head 12 o’clock quickly with our internal
sealed Indexing Cartridge.

 Transmitter chamber sealed to over 2500 PSI drilling fluid pressure.

 Provides your work crew maximum flexibility.

 NO set-screws to drill out or bolts to rattle loose.

 Epoxy filled slots keep transmitter and transmitter chamber CLEAN AND FREE of muck and cuttings.

  Part Number   Diameter (Inches)   Length (Inches)   Threads
  D273   2.5"    23"   2 API  I.F. Box (fwd) x 2 API  I.F. Box (rear)
  D213   3.25"   27"   2-3/8 API Reg Box (fwd) x 2-3/8 Reg Box (rear)
  D285   3.25"   31"   2-3/8 API Reg Box (fwd) x 2-3/8 Reg Box (rear)
  D287   3.25"   31"   2-3/8 API Reg Box (fwd) x 2-3/8 API  I.F. Box (rear)
  D308   3.88"   35"   2-7/8 API Reg Box (fwd) x 2-7/8 API  I.F. Box (rear)
  D315   4.38"   35"   3-1/2 API Reg Box (fwd) x 3-1/2 API  I.F. Box (rear)
  D196   5.63"   37"   4-1/2 API Reg Box (fwd) x 4-1/2 API  I.F. Box (rear)


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Copyright 1999 Geological Boring L.L.C.  All rights reserved.
Revised: March 15, 1999.