Combine butter, olive oil and sugar and mix on medium high speed about three minutes until light and fluffy. Add vanilla and eggs and mix about one more minute until well incorporated. Stir in orange zest. In a separate bowl, sift together flour, baking soda, baking powder and salt. Separately combine heavy cream and orange juice. Add 1/3 of the flour mixture, followed by 1/2 of the cream mixture and repeat, finishing with the flour. Mix until just incorporated after each addition.