propping agent

propping agent

[′präp·iŋ ‚ā·jənt]
(petroleum engineering)
Sand, gravel, or particles of other material (such as sintered bauxite or ceramic beads) suspended in drilling fluid during formation fracturing to keep (prop) open the cracks in the rock when the fluid is withdrawn. Also known as proppant.
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References in periodicals archive ?
Rather, it is simply "describing the EPA's interpretation of existing legal requirements as well as non-binding recommendations for EPA permit writers to consider in applying UIC regulations to HF when diesel fuels are used in fracturing fluids or propping agents.