OPERATION METHOD FOR OIL DISCHARGE AND OIL RESERVOIR PRESSURE MAINTENANCE SYSTEMS Russian patent published in 2007 - IPC E21B41/02 C23F13/00 

FIELD: oil production industry, particularly operation of pipelines included in oil collection and reservoir pressure maintenance system.

SUBSTANCE: method involves mounting device on pipeline convergence point plate; arranging drainage unit at pipeline convergence point; arranging anode beds from opposite pipeline way sides; electrically linking pipeline convergence point with pipelines; performing test cathodic protection switching-on; setting protective current value providing necessary length of zone to be protected; grouping pipelines to be protected according to protective current value; setting particular protective current for each pipeline group; calculating distance from anode bed to pipeline to be protected in dependence of value of protective current running off anode bed.

EFFECT: increased corrosion protection of pipelines.

4 tbl