High production of horizontal wells in Dagang three dual media reservoir
China oil network news, display production data system of Dagang oil three plants: dual media reservoir fine design the factory first wells - 55-10H won the jujube yield, Nissan 50.3 tons of oil, water 11.2%. A complex fault block for nearly 20 years has been renewed with renewed vitality.
Jujube 55-10H level wells located in Zaoyuan oilfield andesite North block, the block is a dual medium reservoir with bottom water. Since it was put into operation in 1984, it has gone through three stages of high production, rapid decline and shut down. This year, the research field of dual media reservoir oil plant has three prominent, through the remaining oil fluid dynamic simulation, it was found that the reservoir has the characteristics of oil and water two times difference, using the development technology of horizontal well, bottom water coning can change rapidly as bottom water coning, maximize oil water after the remaining oil at the top of the potential difference.
In the implementation process, technical staff of the comprehensive application of LWD real-time quantitative fluorescence logging and drilling technology of precise guidance trajectory in the drilling process for igneous rock reservoir low leakage problem using low density drilling fluid, mud control in 1.03, reduced to the maximum extent of reservoir damage, ensure the normal construction and maximize production.
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