Sigma TZ/Shallow Water

The Transitional Zone SigmaBuoy™ provides a water-tight, floatation buoyancy platform whose primary use is for seismic acquisition and instrument packages deployed in aggressive water environments including, but not limited to coastal ocean waters, bays, rivers, harbors, lakes, and reservoirs. The unit is constructed and rotationally molded in Linear Low Density Polyethylene (UV stabilized).

  • Wall Thickness : 1/8”-3/16”
  • Air weight : 30 lbs
  • Diameter : 30” Max
  • Height : 20”
  • Freeboard : 4” (less cover)
  • Submergence : 12”
  • Surface Color : Safety Orange


All materials are corrosion resistant and at the water surface will not degenerate when exposed to sunlight, oils, and petroleum products.

International Seismic Co

9425 E Tower Rd.
Ponca City, OK 74604
Phone: (580) 762-8233
Fax: (580) 762-1785
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