in 2007, the Chinese petroleum oil-gas field development insisted that “eastern part hard stable, the western quick development” the policy, transforms the development way positively, starts the old oil field re-development projects, implementation deepening oil deposit fine description, three extractions and so on comprehensive the measures, promotes the application horizontal well, to owe the balanced well vigorously and so on mature necessary technology, advances the significant development experiment with steady steps, raises the recovery ratio by any means possible, the oil field decreases progressively, the synthesis to decrease progressively and contains water the ascending velocity to be under the active control naturally, the old oil field stable production foundation is further consolidated; The newly developed area produces can construct starts to the whole to deploy that the whole development aspect transforms, the whole year not only realizes the crude oil to increase production stably, but also creates the historical maximum level.

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