The key here is the reliabliity of the ring material, most raceing rings are low tension and quick break in. thats a problem for the DD, the rings used for a DD should be high tension and normal break in. in other words a material close to stock is what you would want.
Next the ring land need to be built for the rings being used. If i were to use hard ring for a DD going 50-100k i would double anodize the rings lands, or the whole piston and i "Might" incorporate a small oil hole in the ring land 33* one from another, were talking just splash oil, this would have to be the bottom of the land, because anywhere else you would loose too much compression, the second ring would be a high strenght scrapper style and the oil controll would be as normal.
The ring stack would be adjusted too, the further away from the top the better heat resistance, but too much will drop CR down a good bit.
There are other areas of concern, but this should get you in the right thought process.