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目前在压裂施工中,向管柱内投放钢球,启动封隔器,其工作程序大致如下:停泵、关闭井口总闸阀、开启井口放空阀以使压裂泵至井口一段管路泄压、卸开井口最上端压力表接头、投放钢球、然后又装好压力表接头、关闭放空阀、开启井口总闸阀、启泵等几个过程。随着一次管柱压裂多层工艺的不断发展,在一次压裂施工中投放钢球的
At present, during the fracturing construction, steel balls are put into the column and the packer is started. The working procedures of the packer are as follows: Stop the pump, close the total gate valve of the wellhead, open the vent valve of the wellhead so as to relieve the pressure from the fracturing pump to the well head , Unloading the top of the wellhead pressure gauge connector, put the ball, and then install the pressure gauge connector, close the vent valve, open the total wellhead valve, pump and several other processes. With the continuous development of a multi-layer tubular fracturing process, the ball in a fracturing construction