eyelet

The machine can automatically punch or continuously punch and rivet eyelets. The punching and eyeleting can be finished once.

机具有单打或连续钉打鞋眼、冲、打眼一次自动完成。

While conducting hydraulic fracturing, the flow rate is required to be controlled to enable the hall-off to block off and uncord the eyelet based on the stimulation process.

封球分层压裂时，为了使暂球按照施工泵注程序对射眼进行封封，需要对压裂施工的泵注排量提出要求。