Methane in Soil Gas and Its Migration to the Atmosphere in the Dawanqi Oilfield, Tarim Basin, China

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left"></td><td class="align_center">Average fluxes</td><td class="align_center">Median</td><td class="align_center">Standard deviation</td><td class="align_center">Range</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">CO<sub>2</sub></td><td class="align_center">5069.8</td><td class="align_center">2573.6</td><td class="align_center">10987.1</td><td class="align_center">31.9–76884.7</td></tr><tr><td class="align_left">CH<sub>4</sub></td><td class="align_center">17.5</td><td class="align_center">0.4</td><td class="align_center">58.7</td><td class="align_center">-1.4–329.9</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Average fluxes of CH<sub>4</sub> and CO<sub>2</sub> in Dawanqi oilfield (mg m<sup>-2</sup> d<sup>-1</sup>) for 51 measurements in August 2014.</div>

Geofluids

tab1

Table 1

Table 1: Methane in Soil Gas and Its Migration to the Atmosphere in the Dawanqi Oilfield, Tarim Basin, China 