Oil & Gas Taqa takes North Sea tax hitOil operator Taqa said yesterday a restriction on tax relief in the North Sea contributed to a fall in profits last year. February 6th 2013, 11:36 pm 2 min read Facebook An icon of a facebook f logo. LinkedIn An icon of the LinkedIn logo. Twitter An icon of the Twitter logo. Oil operator Taqa said yesterday a restriction on tax relief in the North Sea contributed to a fall in profits last year.