As expected, Oil had a meaningful selloff after breaking support around the $51 level on March 8th.  This level had been support from early December throughout then.  There is support at this level because it had been a resistance level in June and then again in October of last year.  It was also resistance and a turning point in October of 2015.

There doesn't seem to be meaningful support until it approaches the $43 level.  This was where it found a bottom and rallied in September and again in November.