Whisk together wine, olive oil, vinegar, olive brine, tarragon, and thyme. Season to taste with salt and pepper.
2.
Arrange steaks in single layer in 9 inch square baking dish. Pour on marinade, cover and let stand at room temperature 2 hours (or refrigerated overnight), turning several times.
3.
Grill steaks over hot coals or in hot grill pan coated lightly with olive oil, until done as desired.