i have 2 felony convivtions that acured befor i was 21.i am now 58 and would like no if i can have these convictions sealed or expunged is this possib

It will depend on the type of convictions.  Certain crimes are eligible to be set aside, and others are not.  For example, driving crimes and sex crimes are generally not capable of being set aside.  The statute that controls is ORS 137.225.