METHOD OF PREPARING COMPOSITION TO CONTROL DEVELOPMENT OF OIL DEPOSITS

摘要

oil and gas production. SUBSTANCE: starch is diluted in water in amount 1 to 10 wt %. Resulting solution is heated and maintained at 85-95 C for 45-70 min, after which solution is cooled to room temperature and then 0.005 to 1.5% of polymer solution, produced by Azotobacter vinelandii (Lipman) in the form of cultural liquid, is added. Use of this composition increase leveling of the intake capacity profile of injectors by 2 times in average. Presence of mineralized water on well is favorable. EFFECT: increased efficiency of waterproofing operations. 2 tbl