针对油层近井底地带堵塞、严重影响油井产量的问题，研发了水力振动法处理油层技术。
The hydraulic vibration oil layer treatment method is researched, because the bridging near hole bot-orn in the oil layers seriously affects the oil production.
对于应力敏感性强的储集层，过低的井底压力降低了近井地带地层的孔隙流体压力，导致裂缝趋于闭合。同时，井壁失稳的可能性也大。
To strong stress sensitivity formation, low BHP reduces pore fluid pressure of near wellbore are which results in the closure of formation fracture.
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