Oil & Gas Acquisition trail takes Asco on Canadian buying spreeOil and gas logistics firm Asco said yesterday it had bought three Canadian oilfield service businesses. September 24th 2012, 11:56 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 and gas logistics firm Asco said yesterday it had bought three Canadian oilfield service businesses.