But it was Green, a surprise recall for the clash against his former club, who carved out the best chances.
First he forced keeper Nathan Abbey to make a smart save, and then he latched on to Deering's flick-on to slot home the opener.
The visitors struggled to forge their own chances against a resolute backline, so it came as a surprise when they caught Oxford cold with a Kelly corner that Dance met full on to equalise just before half-time.
The goal buoyed the away side and they continued to press after the break, with Kelly and Dance looking dangerous on the counter-attack.
But Oxford weathered the storm and an uneventful second period petered out with both sides seemingly content with another point in their quest for promotion.
Oxford Utd: Clarke, Batt, Wright, Day, Tonkin, Bulman, Chalmers, Clist (Matthew Green 52), Francis Green, Midson (Grant 53), Deering. Subs Not Used: Turley, Creighton, Chapman.
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