Sealing structure for soluble bridge plug
A sealing structure and soluble technology, used in sealing/isolation, wellbore/well components, earth-moving drilling, etc. Meet the requirements of on-site use and improve the effect of sealing effect
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[0020] The present invention will be further described below in conjunction with accompanying drawing:
[0021] Depend on figure 1 combine Figure 2-5 As shown, a sealing structure for dissolvable bridge plugs includes a rubber barrel 1 and retaining rings 2 on both sides of the rubber barrel 1. The rubber barrel 1 and retaining rings 2 on both sides are sleeved on the central tube of the bridge plug. There are two symmetrically installed push rings 3 on the outer sleeve of the barrel 1. The docking position of the two push rings 3 is in the middle of the rubber barrel 1. The two push rings 3 are connected through the connecting buckle 5. Each push ring 3 and the retaining ring 2 There is a tension spring 4 connection between them, the cross-section of the connecting buckle 5 is U-shaped, and the facade ring plates 11 on both sides of the U-shaped connecting buckle 5 are stuck in the ring groove of the push ring 3;
[0022] On the inner side of the two facade ring plates 11 ...
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