Comprehensive Research of Scaling Prediction for Gas Reservoir Fluid considering Phase State

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Ion</td><td class="align_center">Content (mg/l)</td><td class="align_center">Ion</td><td class="align_center">Content (mg/l)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Na<sup>+</sup></td><td class="align_center">13400</td><td class="align_center">Cl<sup>-</sup></td><td class="align_center">19840</td></tr><tr><td class="align_left">K<sup>+</sup></td><td class="align_center">310</td><td class="align_center">SO<sub>4</sub><sup>2-</sup></td><td class="align_center">2470</td></tr><tr><td class="align_left">Ca<sup>2+</sup></td><td class="align_center">620</td><td class="align_center">HCO<sub>3</sub><sup>-</sup></td><td class="align_center">132</td></tr><tr><td class="align_left">Mg<sup>2+</sup></td><td class="align_center">15.42</td><td class="align_center">NO<sub>3</sub><sup>-</sup></td><td class="align_center">754</td></tr><tr><td class="align_left">Sr<sup>2+</sup></td><td class="align_center">0</td><td class="align_left"> </td><td class="align_left"> </td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Composition of injection water.</div>

Geofluids

tab4

Table 4

Table 4: Comprehensive Research of Scaling Prediction for Gas Reservoir Fluid considering Phase State 