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Method and apparatus for delivering thickened blasting agents

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专利汇可以提供Method and apparatus for delivering thickened blasting agents专利检索,专利查询,专利分析的服务。并且Improved methods and apparatus are provided for pumping thickened slurry or liquid blasting agents through confining conduits for blasting geologic formations. Thickened slurry and liquid blasting agents are prepared containing gelling or thickening agents which produce thickened solutions having thixotropic properties. Increased shear is applied to the thickened blasting agents, e.g. they are kneaded, such as for example, in a pumper truck having means for mechanically disturbing the explosive, to temporarily produce a more flowable composition which is pumpable. The explosive is then immediately pumped into position, e.g. boreholes, wells. Upon standing under ambient conditions the blasting agent becomes more viscous thus providing the necessary properties of water resistance and settling stability.,下面是Method and apparatus for delivering thickened blasting agents专利的具体信息内容。

  • 2. The method as defined in claim 1 wherein said geologic formation contains free water.
  • 3. In a method for blasting geologic formations which comprises exploding a gelled or thickened blasting agent in the formation, the improvement which comprises: a. preparing a gelled or thickened thixotropic blasting agent which is at least about as physically stable as the minimum desired physical stability of the blasting agent when in place in the formation; b. transferring the gelled or thickened thixotropic blasting agent to the site of use; c. subjecting the gelled or thickened thixotropic blasting agent to high shear conditions to render the blasting agent pumpable; and d. pumping the pumpable blasting agent into the formation wherein under ambient conditions it returns to said minimum physical stability.
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