After his two round total of even par 140, he is tied 47th.
After a first round 72, Atwal, the only Indian winner of a PGA Tour event, started from the tenth and had five birdies against three bogeys.
"It's nice to get into weekend action in a PGA Tour event after a long time," said Atwal.
Daniel Berger shot a season-best 6-under 64 on Friday to take a three-stroke lead. Berger had six birdies in his bogey-free morning round to reach 9-under 131 at TPC Southwind, and nobody caught him atop the leaderboard.
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Tom Hoge, part of a three-way tie for the lead after the first round, was second after a 69. He birdied the final two holes in the next to last group.
The 2012 winner, Dustin Johnson, had a chance to catch Berger until dropping three strokes on the final two holes. Johnson finished with a 69 after squandering a fine run of four birdies and an eagle with three bogeys and a double bogey on No. 18 with what he called bad swings at the end.