Oil & Gas Growth surge at PSLNorth-east oilfield service provider PSL Energy Services has posted a rise in turnover, thanks to overseas demand. March 15th 2013, 1:08 am Updated: March 15th 2013, 1:08 am 1 min read Facebook An icon of a facebook f logo. LinkedIn An icon of the LinkedIn logo. Twitter An icon of the Twitter logo. North-east oilfield service provider PSL Energy Services has posted a rise in turnover, thanks to overseas demand.