УСНЫ БАРИЛГА БАЙГУУЛАМЖИЙН НЭР ТОМЬЁОНЫ СУДАЛГАА

Hydraulic structures terminology study

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Packer


an inflatable tool on a drill string that is used to seal off certain lengths of a borehole.

Source John M. Sharp, Jr. 2007 Department of Geological Sciences Jackson School of Geosciences The University of Texas Austin, Texas, USA
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