Three kinds of main plugging factors in A8 well have been analyzed, their sequence is effluentoil plugging, solidity invasion plugging and sanding plugging.
The paper describes tests for the in -depth domestic sewage treatment process at Bohai base of Liaohe Oil Field and providing its effluent for feeding a heating boiler.
Based on plenty of test, the physical property and the saving mechanism of emulsification diesel oil, and the effect of emulsification diesel oil on the diesel effluent performance are studied.