Celeste Rodriguez improved to 8-2 and went the distance allowing three hits one walk and striking out two.
The Oilers (19-4) got all the offense required from April Marquez who went 2 for 3 with two runs scored, a RBI and a stolen base, Alyssa Soneff 1 for 3 with a double and Andrea Rocha went 1 for 3 with a run scored.
Melissa Thompson (2-3) went the distance for the Hawks striking out four and giving up eight hits.
Silverado dropped to 12-9 on the season.