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Issue:ISSN 1006-5539
          CN 51-1183/TE

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Abstract:Jinzhou 21-1A oil field, the wax content of crude oil is high, high freezing point, easy in the oil well production tubing string wax. At the same time, because of the production process the initial design without considering the crude oil containing wax, high wax oil well was forced to shut in the well in winter. Through enhancing oil well dynamic management, insulation tubing application, production process and facilities of medicament optimization wax measures, as well as regular on the tubing reverse cleaning, using heated car and coiled tubing wax and wax cleaning measures, combined with the production of the operation parameter optimization of subsea pipeline pigging, daily management, maximum limit to release the productivity of oil wells, prolong the high wax content of normal oil production time, improve the yield of crude oil.
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