Benning scored a goal and assisted on another in Tuesday's 6-2 victory over Montreal.
Benning (undisclosed) was placed on injured reserve Friday, Jason Gregor of OilersNation.com reports.
Benning (undisclosed) will not dress for Saturday's game against the Predators, Jack Michaels of the Oilers Radio Network reports.
Benning agreed to terms with the Oilers on a two-year contract extension Tuesday.
Benning tallied six goals along with 15 assists in 73 games in 2017-18.
Benning (undisclosed) will return to the lineup for Thursday's game against the Golden Knights.
Benning is considered doubtful for Monday's matchup with Minnesota due to an undisclosed malady.
Benning (illness) will sit out Wednesday's contest with San Jose, Jack Michaels of the Oilers Radio Network reports.
Benning notched an assist in Saturday's 3-2 loss to the Rangers.
Benning collected an assist in Thursday's 3-2 victory over the Avalanche.