Melt half the butter together with the oil in a large skillet over high heat
Season the dry scallops with salt and pepper
Add scallops to the smoking hot pan
Lower the flame to medium and cook for 2 minutes, or until the scallops turn golden-brown
Turn the scallops and cook for another 2 minutes
Remove the scallops from the pan and place them in a serving dish
Add the remaining butter, the wine, the rosemary, and the chopped parsley to the pan
Cook the sauce for 2 minutes and drizzle it over the seared scallops
Serve with wedges of fresh lemon