CN111577204A
|
|
Underground cascade sliding sleeve system
|
CN110107237A
|
|
A kind of down-hole string by-passing valve and its application method
|
CN110374551A
|
|
A kind of underground hydraulic-control starting sliding sleeve control system and control method
|
CN108361003A
|
|
A kind of automatic opening self-sealing underground pressure difference sliding sleeve
|
CN108194050A
|
|
A kind of underground sliding sleeve open method and device
|
CN108343396A
|
|
A kind of remote pressure control self-sealing underground pressure difference sliding sleeve
|
CN108361004A
|
|
A kind of remote RF ID controls self-sealing pressure difference sliding sleeve
|
CN108266157A
|
|
A kind of remote electromagnetic wave controls underground pressure difference sliding sleeve
|
CN106837264A
|
|
A kind of down-hole casing perforating gun control system and control method
|
CN107060720A
|
|
Trigger sliding sleeve in a kind of underground
|
CN106907129A
|
|
Trigger sliding sleeve control system and control method in a kind of underground
|
CN106837265A
|
|
A kind of new down-hole casing perforating methods
|