Experimental Investigation of the Use of Expansive Materials to Increase Permeability in Coal Seams through Expansive Fracturing

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="8">Chemical composition (%)</td><td class="align_center" rowspan="2">Liter weight (g/L)</td></tr><tr class="thead"><td class="align_left">LOI (loss on ignition)</td><td class="align_center">SiO<sub>2</sub></td><td class="align_center">Al<sub>2</sub>O<sub>3</sub></td><td class="align_center">Fe<sub>2</sub>O<sub>3</sub></td><td class="align_center">CaO</td><td class="align_center">MgO</td><td class="align_center">f-CaO</td><td class="align_center">∑</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td class="align_left">0.62</td><td class="align_center">5.41</td><td class="align_center">1.10</td><td class="align_center">2.60</td><td class="align_center">89.10</td><td class="align_center">0.92</td><td class="align_center">73.26</td><td class="align_center">99.75</td><td class="align_center">1320</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Components of expansive materials.</div>

Shock and Vibration

tab2

Table 2

Table 2: Experimental Investigation of the Use of Expansive Materials to Increase Permeability in Coal Seams through Expansive Fracturing 