CASTROL Social leapfrogged Marine Reserves after beating them 2-1 at the Arriva Stadium.
The victory lifted the Oilmen to ninth in Division One of the West Cheshire League, one place above their hosts.
Mike Thelwell and Tony Ashton scored the crucial goals which assured Castrol three points at a tough away ground.
Carl Burquest replied for the hosts.
This Saturday Castrol entertain Halton.
Ellesmere Port, who had their home game against Runcorn Town postponed due to waterlogging, will take on Heswall at Whitby Sports and Social Club on Saturday.
Capenhurst Villa fell to a 3-1 home defeat against Mossley Hill Athletic in Division Two.
Tom McGill found the net for the home side but it proved worthless as Barry Coventry cancelled it out before Ben Smythe scored twice to bag all three points.
Villa take on bottom club Heswall Reserves this Saturday.
Grange Athletic’s home game against Willaston was called off due to a waterlogged pitch.
Saturday takes them to Ashville, relegated from Division One last term.