Methods of field blasting of earth formations using inflatable devices for suspending explosives in boreholes

  • US 4,913,233 A
  • Filed: 11/28/1988
  • Issued: 04/03/1990
  • Est. Priority Date: 03/10/1988
  • Status: Expired due to Term
First Claim
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1. A method for suspending explosive material or stemming material within a borehole, comprising:

  • disposing an inflatable bag-like device within the borehole at a desired location within the borehole;

    inflating the device within the borehole with an inflation fluid to seal the device within the borehole; and

    ,disposing an explosive material or stemming material within the borehole above and in contact with the inflated device.

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