求翻译：【摘 要】近年来，华北油田远离注水系统的小断块油田陆续开发，这些断块只依靠地层能量生产，导致地层能量降低，动液面下降，含水上升，产量下降。为缓解以上情况，华北油田开始在小断块油田实施注清水工艺，使连通油井产液上升，动液面提高，缓解自然递减，达到增产的目的，取得了良好的效果。但存在以下问题：一是连通油井产液量增加，污水拉运费较高；二是采用清水作为注水水源，费用高，对生态环境也造成破坏。是什么意思？

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In recent years [Hook] you want to stay away from oil fields in northern China, filling the small-block system oil field have been developed, these cut-off block formations only rely on energy production, resulting in lower energy ground, the water level dropped, rose, and declining production. To h

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The "Summary" in recent years, HuaBei oilfield far away from small fault block oilfield water injection system being developed, these rely on stratigraphy in fault block energy production, cause a reduction in producing energy, working level decline, rising water, declining production. To alleviate

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