As one of effective methods of monitoring fracturing effect, downhole microseismic fracture monitoring technique is firstly applied in Zhuang No. 19 well area in Changqing Oilfield.

• 摘要井下微地震监测技术作为监测压裂效果的有效手段之一，首次在长庆油田的庄19井区得到了应用。