1: Fix the oil platform ... (3)

3: Exhausted writer found in street (5)

6: It's exciting, for example, holding a tongue (7)

7: Bird dog devouring bad lad (4,5)

9: Eminent performer in some art form (7)

11: Same as Edward, partly comforted (5)

12: Three kernels of copper-yellow grain (3)

1: Fish spawn upstream in little orifices (3)

2: A girl in distress, sought by knights (5)

3: Piece of pottery containing drink to make beast tender (9)

4: Encourage horse led with direction. (3)

5: Short time for the Irish (5)

7: Introduction to book by mere poet (5)

8: Swamp creature resting tail on a rocky outcrop (5)

9: Reportedly is nostalgic for wife (3)

10: Nothing we have to pay (3)