Looking at the current fundamentals (demand/supply) combined with this 4 Hour Chart of USOIL the triangle has broken toward the bottom.
If it broke at 1/3 the breadth of the triangle it would have been a strong signal towards short. But due to the movement towards the end of the triangle, the signal is showing movement will be downward in the short/medium term.
Take short positions if the price breaks away below $21.0